blob: c922e0e6ef493c3b8f4eb7bc4e467c727b17d95a [file] [log] [blame]
From 2688f00904e4ffd647afcff69bb8fe6df8c5902b Mon Sep 17 00:00:00 2001
From: Adam Langley <agl@chromium.org>
Date: Mon, 9 Sep 2013 12:13:24 -0400
Subject: [PATCH 43/52] chacha20poly1305
Add support for Chacha20 + Poly1305.
---
.gitignore | 1 +
Configure | 56 +-
Makefile.org | 6 +-
apps/speed.c | 64 +-
crypto/chacha/Makefile | 80 ++
crypto/chacha/chacha.h | 85 ++
crypto/chacha/chacha_enc.c | 167 +++
crypto/chacha/chacha_vec.c | 345 +++++++
crypto/chacha/chachatest.c | 211 ++++
crypto/evp/Makefile | 35 +-
crypto/evp/e_chacha20poly1305.c | 261 +++++
crypto/evp/evp.h | 8 +
crypto/evp/evp_err.c | 3 +
crypto/poly1305/Makefile | 81 ++
crypto/poly1305/poly1305.c | 320 ++++++
crypto/poly1305/poly1305.h | 88 ++
crypto/poly1305/poly1305_arm.c | 335 ++++++
crypto/poly1305/poly1305_arm_asm.s | 2009 ++++++++++++++++++++++++++++++++++++
crypto/poly1305/poly1305_vec.c | 733 +++++++++++++
crypto/poly1305/poly1305test.c | 166 +++
ssl/s3_lib.c | 75 +-
ssl/s3_pkt.c | 5 +-
ssl/ssl.h | 1 +
ssl/ssl_ciph.c | 16 +-
ssl/ssl_locl.h | 10 +
ssl/t1_enc.c | 30 +-
ssl/tls1.h | 8 +
test/Makefile | 23 +-
28 files changed, 5166 insertions(+), 56 deletions(-)
create mode 100644 crypto/chacha/Makefile
create mode 100644 crypto/chacha/chacha.h
create mode 100644 crypto/chacha/chacha_enc.c
create mode 100644 crypto/chacha/chacha_vec.c
create mode 100644 crypto/chacha/chachatest.c
create mode 100644 crypto/evp/e_chacha20poly1305.c
create mode 100644 crypto/poly1305/Makefile
create mode 100644 crypto/poly1305/poly1305.c
create mode 100644 crypto/poly1305/poly1305.h
create mode 100644 crypto/poly1305/poly1305_arm.c
create mode 100644 crypto/poly1305/poly1305_arm_asm.s
create mode 100644 crypto/poly1305/poly1305_vec.c
create mode 100644 crypto/poly1305/poly1305test.c
diff --git a/openssl/ssl/ssl_ciph.c b/openssl/ssl/ssl_ciph.c
index db85b29..cebb18a 100644
--- a/ssl/ssl_ciph.c
+++ b/ssl/ssl_ciph.c
@@ -1442,7 +1442,9 @@ STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kEECDH, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);
- /* AES is our preferred symmetric cipher */
+ /* CHACHA20 is fast and safe on all hardware and is thus our preferred
+ * symmetric cipher, with AES second. */
+ ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20POLY1305, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_AES, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
/* Temporarily enable everything else for sorting */
diff --git a/Configure b/Configure
index 9c803dc..1b95384 100755
--- a/Configure
+++ b/Configure
@@ -124,24 +124,24 @@ my $tlib="-lnsl -lsocket";
my $bits1="THIRTY_TWO_BIT ";
my $bits2="SIXTY_FOUR_BIT ";
-my $x86_asm="x86cpuid.o:bn-586.o co-586.o x86-mont.o x86-gf2m.o:des-586.o crypt586.o:aes-586.o vpaes-x86.o aesni-x86.o:bf-586.o:md5-586.o:sha1-586.o sha256-586.o sha512-586.o:cast-586.o:rc4-586.o:rmd-586.o:rc5-586.o:wp_block.o wp-mmx.o:cmll-x86.o:ghash-x86.o:";
+my $x86_asm="x86cpuid.o:bn-586.o co-586.o x86-mont.o x86-gf2m.o:des-586.o crypt586.o:aes-586.o vpaes-x86.o aesni-x86.o:bf-586.o:md5-586.o:sha1-586.o sha256-586.o sha512-586.o:cast-586.o:rc4-586.o:rmd-586.o:rc5-586.o:wp_block.o wp-mmx.o:cmll-x86.o:ghash-x86.o:::";
my $x86_elf_asm="$x86_asm:elf";
-my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o modexp512-x86_64.o::aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o::md5-x86_64.o:sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o::rc4-x86_64.o rc4-md5-x86_64.o:::wp-x86_64.o:cmll-x86_64.o cmll_misc.o:ghash-x86_64.o:";
-my $ia64_asm="ia64cpuid.o:bn-ia64.o ia64-mont.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::::ghash-ia64.o::void";
-my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o:::sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o:::::::ghash-sparcv9.o::void";
-my $sparcv8_asm=":sparcv8.o:des_enc-sparc.o fcrypt_b.o:::::::::::::void";
-my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o:::::sha1-alpha.o:::::::ghash-alpha.o::void";
-my $mips32_asm=":bn-mips.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o::::::::";
-my $mips64_asm=":bn-mips.o mips-mont.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o sha512-mips.o::::::::";
-my $s390x_asm="s390xcap.o s390xcpuid.o:bn-s390x.o s390x-mont.o s390x-gf2m.o::aes-s390x.o aes-ctr.o aes-xts.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o::rc4-s390x.o:::::ghash-s390x.o:";
-my $armv4_asm="armcap.o armv4cpuid.o:bn_asm.o armv4-mont.o armv4-gf2m.o::aes_cbc.o aes-armv4.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o::void";
-my $parisc11_asm="pariscid.o:bn_asm.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::32";
-my $parisc20_asm="pariscid.o:pa-risc2W.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::64";
-my $ppc32_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o::::::::";
-my $ppc64_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o sha512-ppc.o::::::::";
-my $no_asm=":::::::::::::::void";
+my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o modexp512-x86_64.o::aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o::md5-x86_64.o:sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o::rc4-x86_64.o rc4-md5-x86_64.o:::wp-x86_64.o:cmll-x86_64.o cmll_misc.o:ghash-x86_64.o::chacha_vec.o:poly1305_vec.o";
+my $ia64_asm="ia64cpuid.o:bn-ia64.o ia64-mont.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::::ghash-ia64.o::::void";
+my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o:::sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o:::::::ghash-sparcv9.o::::void";
+my $sparcv8_asm=":sparcv8.o:des_enc-sparc.o fcrypt_b.o:::::::::::::::void";
+my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o:::::sha1-alpha.o:::::::ghash-alpha.o::::void";
+my $mips32_asm=":bn-mips.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o::::::::::";
+my $mips64_asm=":bn-mips.o mips-mont.o::aes_cbc.o aes-mips.o:::sha1-mips.o sha256-mips.o sha512-mips.o::::::::::";
+my $s390x_asm="s390xcap.o s390xcpuid.o:bn-s390x.o s390x-mont.o s390x-gf2m.o::aes-s390x.o aes-ctr.o aes-xts.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o::rc4-s390x.o:::::::ghash-s390x.o:";
+my $armv4_asm="armcap.o armv4cpuid.o:bn_asm.o armv4-mont.o armv4-gf2m.o::aes_cbc.o aes-armv4.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o::chacha_vec.o:poly1305_arm.o poly1305_arm_asm.o:void";
+my $parisc11_asm="pariscid.o:bn_asm.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::::32";
+my $parisc20_asm="pariscid.o:pa-risc2W.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o::::64";
+my $ppc32_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o::::::::::";
+my $ppc64_asm="ppccpuid.o ppccap.o:bn-ppc.o ppc-mont.o ppc64-mont.o::aes_core.o aes_cbc.o aes-ppc.o:::sha1-ppc.o sha256-ppc.o sha512-ppc.o::::::::::";
+my $no_asm=":::::::::::::::::void";
# As for $BSDthreads. Idea is to maintain "collective" set of flags,
# which would cover all BSD flavors. -pthread applies to them all,
@@ -152,7 +152,7 @@ my $no_asm=":::::::::::::::void";
# seems to be sufficient?
my $BSDthreads="-pthread -D_THREAD_SAFE -D_REENTRANT";
-#config-string $cc : $cflags : $unistd : $thread_cflag : $sys_id : $lflags : $bn_ops : $cpuid_obj : $bn_obj : $des_obj : $aes_obj : $bf_obj : $md5_obj : $sha1_obj : $cast_obj : $rc4_obj : $rmd160_obj : $rc5_obj : $wp_obj : $cmll_obj : $modes_obj : $engines_obj : $dso_scheme : $shared_target : $shared_cflag : $shared_ldflag : $shared_extension : $ranlib : $arflags : $multilib
+#config-string $cc : $cflags : $unistd : $thread_cflag : $sys_id : $lflags : $bn_ops : $cpuid_obj : $bn_obj : $des_obj : $aes_obj : $bf_obj : $md5_obj : $sha1_obj : $cast_obj : $rc4_obj : $rmd160_obj : $rc5_obj : $wp_obj : $cmll_obj : $modes_obj : $engines_obj : $chacha_obj : $poly1305_obj : $dso_scheme : $shared_target : $shared_cflag : $shared_ldflag : $shared_extension : $ranlib : $arflags : $multilib :
my %table=(
# File 'TABLE' (created by 'make TABLE') contains the data from this list,
@@ -647,6 +647,8 @@ my $idx_wp_obj = $idx++;
my $idx_cmll_obj = $idx++;
my $idx_modes_obj = $idx++;
my $idx_engines_obj = $idx++;
+my $idx_chacha_obj = $idx++;
+my $idx_poly1305_obj = $idx++;
my $idx_perlasm_scheme = $idx++;
my $idx_dso_scheme = $idx++;
my $idx_shared_target = $idx++;
@@ -692,6 +694,8 @@ my $aes_enc="aes_core.o aes_cbc.o";
my $bf_enc ="bf_enc.o";
my $cast_enc="c_enc.o";
my $rc4_enc="rc4_enc.o rc4_skey.o";
+my $chacha_enc="chacha_enc.o";
+my $poly1305 ="poly1305.o";
my $rc5_enc="rc5_enc.o";
my $md5_obj="";
my $sha1_obj="";
@@ -1144,7 +1148,7 @@ $openssldir=$prefix . "/" . $openssldir if $openssldir !~ /(^\/|^[a-zA-Z]:[\\\/]
print "IsMK1MF=$IsMK1MF\n";
-my @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
+my @fields = split(/\s*:\s*/,$table{$target} . ":" x 31 , -1);
my $cc = $fields[$idx_cc];
# Allow environment CC to override compiler...
if($ENV{CC}) {
@@ -1181,6 +1185,8 @@ my $ranlib = $ENV{'RANLIB'} || $fields[$idx_ranlib];
my $ar = $ENV{'AR'} || "ar";
my $arflags = $fields[$idx_arflags];
my $multilib = $fields[$idx_multilib];
+my $chacha_obj = $fields[$idx_chacha_obj];
+my $poly1305_obj = $fields[$idx_poly1305_obj];
# if $prefix/lib$multilib is not an existing directory, then
# assume that it's not searched by linker automatically, in
@@ -1477,6 +1483,8 @@ $des_obj=$des_enc unless ($des_obj =~ /\.o$/);
$bf_obj=$bf_enc unless ($bf_obj =~ /\.o$/);
$cast_obj=$cast_enc unless ($cast_obj =~ /\.o$/);
$rc4_obj=$rc4_enc unless ($rc4_obj =~ /\.o$/);
+$chacha_obj=$chacha_enc unless ($chacha_obj =~ /\.o$/);
+$poly1305_obj=$poly1305 unless ($poly1305_obj =~ /\.o$/);
$rc5_obj=$rc5_enc unless ($rc5_obj =~ /\.o$/);
if ($sha1_obj =~ /\.o$/)
{
@@ -1637,6 +1645,8 @@ while (<IN>)
s/^BF_ENC=.*$/BF_ENC= $bf_obj/;
s/^CAST_ENC=.*$/CAST_ENC= $cast_obj/;
s/^RC4_ENC=.*$/RC4_ENC= $rc4_obj/;
+ s/^CHACHA_ENC=.*$/CHACHA_ENC= $chacha_obj/;
+ s/^POLY1305=.*$/POLY1305= $poly1305_obj/;
s/^RC5_ENC=.*$/RC5_ENC= $rc5_obj/;
s/^MD5_ASM_OBJ=.*$/MD5_ASM_OBJ= $md5_obj/;
s/^SHA1_ASM_OBJ=.*$/SHA1_ASM_OBJ= $sha1_obj/;
@@ -1698,6 +1708,8 @@ print "AES_ENC =$aes_obj\n";
print "BF_ENC =$bf_obj\n";
print "CAST_ENC =$cast_obj\n";
print "RC4_ENC =$rc4_obj\n";
+print "CHACHA_ENC =$chacha_obj\n";
+print "POLY1305 =$poly1305_obj\n";
print "RC5_ENC =$rc5_obj\n";
print "MD5_OBJ_ASM =$md5_obj\n";
print "SHA1_OBJ_ASM =$sha1_obj\n";
@@ -2096,11 +2108,11 @@ sub print_table_entry
(my $cc,my $cflags,my $unistd,my $thread_cflag,my $sys_id,my $lflags,
my $bn_ops,my $cpuid_obj,my $bn_obj,my $des_obj,my $aes_obj, my $bf_obj,
- my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $rmd160_obj,
- my $rc5_obj,my $wp_obj,my $cmll_obj,my $modes_obj, my $engines_obj,
+ my $md5_obj,my $sha1_obj,my $cast_obj,my $rc4_obj,my $chacha_obj,my $poly1305_obj,
+ my $rmd160_obj, my $rc5_obj,my $wp_obj,my $cmll_obj,my $modes_obj, my $engines_obj,
my $perlasm_scheme,my $dso_scheme,my $shared_target,my $shared_cflag,
my $shared_ldflag,my $shared_extension,my $ranlib,my $arflags,my $multilib)=
- split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
+ split(/\s*:\s*/,$table{$target} . ":" x 31 , -1);
print <<EOF
@@ -2121,6 +2133,8 @@ sub print_table_entry
\$sha1_obj = $sha1_obj
\$cast_obj = $cast_obj
\$rc4_obj = $rc4_obj
+\$chacha_obj = $chacha_obj
+\$poly1305_obj = $poly1305_obj
\$rmd160_obj = $rmd160_obj
\$rc5_obj = $rc5_obj
\$wp_obj = $wp_obj
@@ -2150,7 +2164,7 @@ sub test_sanity
foreach $target (sort keys %table)
{
- @fields = split(/\s*:\s*/,$table{$target} . ":" x 30 , -1);
+ @fields = split(/\s*:\s*/,$table{$target} . ":" x 31 , -1);
if ($fields[$idx_dso_scheme-1] =~ /^(beos|dl|dlfcn|win32|vms)$/)
{
diff --git a/Makefile.org b/Makefile.org
index 2db31ea..919466d 100644
--- a/Makefile.org
+++ b/Makefile.org
@@ -94,6 +94,8 @@ BF_ENC= bf_enc.o
CAST_ENC= c_enc.o
RC4_ENC= rc4_enc.o
RC5_ENC= rc5_enc.o
+CHACHA_ENC= chacha_enc.o
+POLY1305= poly1305.o
MD5_ASM_OBJ=
SHA1_ASM_OBJ=
RMD160_ASM_OBJ=
@@ -147,7 +149,7 @@ SDIRS= \
bn ec rsa dsa ecdsa dh ecdh dso engine \
buffer bio stack lhash rand err \
evp asn1 pem x509 x509v3 conf txt_db pkcs7 pkcs12 comp ocsp ui krb5 \
- cms pqueue ts jpake srp store cmac
+ cms pqueue ts jpake srp store cmac poly1305 chacha
# keep in mind that the above list is adjusted by ./Configure
# according to no-xxx arguments...
@@ -232,6 +234,8 @@ BUILDENV= PLATFORM='$(PLATFORM)' PROCESSOR='$(PROCESSOR)' \
WP_ASM_OBJ='$(WP_ASM_OBJ)' \
MODES_ASM_OBJ='$(MODES_ASM_OBJ)' \
ENGINES_ASM_OBJ='$(ENGINES_ASM_OBJ)' \
+ CHACHA_ENC='$(CHACHA_ENC)' \
+ POLY1305='$(POLY1305)' \
PERLASM_SCHEME='$(PERLASM_SCHEME)' \
FIPSLIBDIR='${FIPSLIBDIR}' \
FIPSDIR='${FIPSDIR}' \
diff --git a/crypto/chacha/Makefile b/crypto/chacha/Makefile
new file mode 100644
index 0000000..289933b
--- /dev/null
+++ b/crypto/chacha/Makefile
@@ -0,0 +1,80 @@
+#
+# OpenSSL/crypto/chacha/Makefile
+#
+
+DIR= chacha
+TOP= ../..
+CC= cc
+CPP= $(CC) -E
+INCLUDES=
+CFLAG=-g
+AR= ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+ASFLAGS= $(INCLUDES) $(ASFLAG)
+AFLAGS= $(ASFLAGS)
+
+CHACHA_ENC=chacha_enc.o
+
+GENERAL=Makefile
+TEST=chachatest.o
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC=
+LIBOBJ=$(CHACHA_ENC)
+
+SRC= $(LIBSRC)
+
+EXHEADER=chacha.h
+HEADER= $(EXHEADER)
+
+ALL= $(GENERAL) $(SRC) $(HEADER)
+
+top:
+ (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all: lib
+
+lib: $(LIBOBJ)
+ $(AR) $(LIB) $(LIBOBJ)
+ $(RANLIB) $(LIB) || echo Never mind.
+ @touch lib
+
+files:
+ $(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
+
+links:
+ @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
+ @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
+ @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
+
+install:
+ @[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
+ @headerlist="$(EXHEADER)"; for i in $$headerlist ; \
+ do \
+ (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
+ chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
+ done;
+
+tags:
+ ctags $(SRC)
+
+tests:
+
+lint:
+ lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+ @[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
+ $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+
+dclean:
+ $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+ mv -f Makefile.new $(MAKEFILE)
+
+clean:
+ rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
diff --git a/crypto/chacha/chacha.h b/crypto/chacha/chacha.h
new file mode 100644
index 0000000..d56519d
--- /dev/null
+++ b/crypto/chacha/chacha.h
@@ -0,0 +1,85 @@
+/*
+ * Chacha stream algorithm.
+ *
+ * Created on: Jun, 2013
+ * Author: Elie Bursztein (elieb@google.com)
+ *
+ * Adapted from the estream code by D. Bernstein.
+ */
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+#ifndef HEADER_CHACHA_H
+#define HEADER_CHACHA_H
+
+#include <openssl/opensslconf.h>
+
+#if defined(OPENSSL_NO_CHACHA)
+#error ChaCha support is disabled.
+#endif
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* CRYPTO_chacha_20 encrypts |in_len| bytes from |in| with the given key and
+ * nonce and writes the result to |out|, which may be equal to |in|. The
+ * initial block counter is specified by |counter|. */
+void CRYPTO_chacha_20(unsigned char *out,
+ const unsigned char *in, size_t in_len,
+ const unsigned char key[32],
+ const unsigned char nonce[8],
+ size_t counter);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/crypto/chacha/chacha_enc.c b/crypto/chacha/chacha_enc.c
new file mode 100644
index 0000000..54d1ca3
--- /dev/null
+++ b/crypto/chacha/chacha_enc.c
@@ -0,0 +1,167 @@
+/*
+ * Chacha stream algorithm.
+ *
+ * Created on: Jun, 2013
+ * Author: Elie Bursztein (elieb@google.com)
+ *
+ * Adapted from the estream code by D. Bernstein.
+ */
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <openssl/opensslconf.h>
+
+#if !defined(OPENSSL_NO_CHACHA)
+
+#include <openssl/chacha.h>
+
+/* sigma contains the ChaCha constants, which happen to be an ASCII string. */
+static const char sigma[16] = "expand 32-byte k";
+
+#define ROTATE(v, n) (((v) << (n)) | ((v) >> (32 - (n))))
+#define XOR(v, w) ((v) ^ (w))
+#define PLUS(x, y) ((x) + (y))
+#define PLUSONE(v) (PLUS((v), 1))
+
+#define U32TO8_LITTLE(p, v) \
+ { (p)[0] = (v >> 0) & 0xff; (p)[1] = (v >> 8) & 0xff; \
+ (p)[2] = (v >> 16) & 0xff; (p)[3] = (v >> 24) & 0xff; }
+#define U8TO32_LITTLE(p) \
+ (((uint32_t)((p)[0]) ) | ((uint32_t)((p)[1]) << 8) | \
+ ((uint32_t)((p)[2]) << 16) | ((uint32_t)((p)[3]) << 24) )
+
+/* QUARTERROUND updates a, b, c, d with a ChaCha "quarter" round. */
+#define QUARTERROUND(a,b,c,d) \
+ x[a] = PLUS(x[a],x[b]); x[d] = ROTATE(XOR(x[d],x[a]),16); \
+ x[c] = PLUS(x[c],x[d]); x[b] = ROTATE(XOR(x[b],x[c]),12); \
+ x[a] = PLUS(x[a],x[b]); x[d] = ROTATE(XOR(x[d],x[a]), 8); \
+ x[c] = PLUS(x[c],x[d]); x[b] = ROTATE(XOR(x[b],x[c]), 7);
+
+typedef unsigned int uint32_t;
+
+/* chacha_core performs |num_rounds| rounds of ChaCha20 on the input words in
+ * |input| and writes the 64 output bytes to |output|. */
+static void chacha_core(unsigned char output[64], const uint32_t input[16],
+ int num_rounds)
+ {
+ uint32_t x[16];
+ int i;
+
+ memcpy(x, input, sizeof(uint32_t) * 16);
+ for (i = 20; i > 0; i -= 2)
+ {
+ QUARTERROUND( 0, 4, 8,12)
+ QUARTERROUND( 1, 5, 9,13)
+ QUARTERROUND( 2, 6,10,14)
+ QUARTERROUND( 3, 7,11,15)
+ QUARTERROUND( 0, 5,10,15)
+ QUARTERROUND( 1, 6,11,12)
+ QUARTERROUND( 2, 7, 8,13)
+ QUARTERROUND( 3, 4, 9,14)
+ }
+
+ for (i = 0; i < 16; ++i)
+ x[i] = PLUS(x[i], input[i]);
+ for (i = 0; i < 16; ++i)
+ U32TO8_LITTLE(output + 4 * i, x[i]);
+ }
+
+void CRYPTO_chacha_20(unsigned char *out,
+ const unsigned char *in, size_t in_len,
+ const unsigned char key[32],
+ const unsigned char nonce[8],
+ size_t counter)
+ {
+ uint32_t input[16];
+ unsigned char buf[64];
+ size_t todo, i;
+
+ input[0] = U8TO32_LITTLE(sigma + 0);
+ input[1] = U8TO32_LITTLE(sigma + 4);
+ input[2] = U8TO32_LITTLE(sigma + 8);
+ input[3] = U8TO32_LITTLE(sigma + 12);
+
+ input[4] = U8TO32_LITTLE(key + 0);
+ input[5] = U8TO32_LITTLE(key + 4);
+ input[6] = U8TO32_LITTLE(key + 8);
+ input[7] = U8TO32_LITTLE(key + 12);
+
+ input[8] = U8TO32_LITTLE(key + 16);
+ input[9] = U8TO32_LITTLE(key + 20);
+ input[10] = U8TO32_LITTLE(key + 24);
+ input[11] = U8TO32_LITTLE(key + 28);
+
+ input[12] = counter;
+ input[13] = ((uint64_t) counter) >> 32;
+ input[14] = U8TO32_LITTLE(nonce + 0);
+ input[15] = U8TO32_LITTLE(nonce + 4);
+
+ while (in_len > 0)
+ {
+ todo = sizeof(buf);
+ if (in_len < todo)
+ todo = in_len;
+
+ chacha_core(buf, input, 20);
+ for (i = 0; i < todo; i++)
+ out[i] = in[i] ^ buf[i];
+
+ out += todo;
+ in += todo;
+ in_len -= todo;
+
+ input[12]++;
+ if (input[12] == 0)
+ input[13]++;
+ }
+ }
+
+#endif /* !OPENSSL_NO_CHACHA */
diff --git a/crypto/chacha/chacha_vec.c b/crypto/chacha/chacha_vec.c
new file mode 100644
index 0000000..33b2238
--- /dev/null
+++ b/crypto/chacha/chacha_vec.c
@@ -0,0 +1,345 @@
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+/* This implementation is by Ted Krovetz and was submitted to SUPERCOP and
+ * marked as public domain. It was been altered to allow for non-aligned inputs
+ * and to allow the block counter to be passed in specifically. */
+
+#include <string.h>
+#include <stdint.h>
+#include <openssl/opensslconf.h>
+
+#if !defined(OPENSSL_NO_CHACHA)
+
+#include <openssl/chacha.h>
+
+#ifndef CHACHA_RNDS
+#define CHACHA_RNDS 20 /* 8 (high speed), 20 (conservative), 12 (middle) */
+#endif
+
+/* Architecture-neutral way to specify 16-byte vector of ints */
+typedef unsigned vec __attribute__ ((vector_size (16)));
+
+/* This implementation is designed for Neon, SSE and AltiVec machines. The
+ * following specify how to do certain vector operations efficiently on
+ * each architecture, using intrinsics.
+ * This implementation supports parallel processing of multiple blocks,
+ * including potentially using general-purpose registers.
+ */
+#if __ARM_NEON__
+#include <arm_neon.h>
+#define GPR_TOO 1
+#define VBPI 2
+#define ONE (vec)vsetq_lane_u32(1,vdupq_n_u32(0),0)
+#define LOAD(m) (vec)(*((vec*)(m)))
+#define STORE(m,r) (*((vec*)(m))) = (r)
+#define ROTV1(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,1)
+#define ROTV2(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,2)
+#define ROTV3(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,3)
+#define ROTW16(x) (vec)vrev32q_u16((uint16x8_t)x)
+#if __clang__
+#define ROTW7(x) (x << ((vec){ 7, 7, 7, 7})) ^ (x >> ((vec){25,25,25,25}))
+#define ROTW8(x) (x << ((vec){ 8, 8, 8, 8})) ^ (x >> ((vec){24,24,24,24}))
+#define ROTW12(x) (x << ((vec){12,12,12,12})) ^ (x >> ((vec){20,20,20,20}))
+#else
+#define ROTW7(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,7),(uint32x4_t)x,25)
+#define ROTW8(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,8),(uint32x4_t)x,24)
+#define ROTW12(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,12),(uint32x4_t)x,20)
+#endif
+#elif __SSE2__
+#include <emmintrin.h>
+#define GPR_TOO 0
+#if __clang__
+#define VBPI 4
+#else
+#define VBPI 3
+#endif
+#define ONE (vec)_mm_set_epi32(0,0,0,1)
+#define LOAD(m) (vec)_mm_loadu_si128((__m128i*)(m))
+#define STORE(m,r) _mm_storeu_si128((__m128i*)(m), (__m128i) (r))
+#define ROTV1(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(0,3,2,1))
+#define ROTV2(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(1,0,3,2))
+#define ROTV3(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(2,1,0,3))
+#define ROTW7(x) (vec)(_mm_slli_epi32((__m128i)x, 7) ^ _mm_srli_epi32((__m128i)x,25))
+#define ROTW12(x) (vec)(_mm_slli_epi32((__m128i)x,12) ^ _mm_srli_epi32((__m128i)x,20))
+#if __SSSE3__
+#include <tmmintrin.h>
+#define ROTW8(x) (vec)_mm_shuffle_epi8((__m128i)x,_mm_set_epi8(14,13,12,15,10,9,8,11,6,5,4,7,2,1,0,3))
+#define ROTW16(x) (vec)_mm_shuffle_epi8((__m128i)x,_mm_set_epi8(13,12,15,14,9,8,11,10,5,4,7,6,1,0,3,2))
+#else
+#define ROTW8(x) (vec)(_mm_slli_epi32((__m128i)x, 8) ^ _mm_srli_epi32((__m128i)x,24))
+#define ROTW16(x) (vec)(_mm_slli_epi32((__m128i)x,16) ^ _mm_srli_epi32((__m128i)x,16))
+#endif
+#else
+#error -- Implementation supports only machines with neon or SSE2
+#endif
+
+#ifndef REVV_BE
+#define REVV_BE(x) (x)
+#endif
+
+#ifndef REVW_BE
+#define REVW_BE(x) (x)
+#endif
+
+#define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
+
+#define DQROUND_VECTORS(a,b,c,d) \
+ a += b; d ^= a; d = ROTW16(d); \
+ c += d; b ^= c; b = ROTW12(b); \
+ a += b; d ^= a; d = ROTW8(d); \
+ c += d; b ^= c; b = ROTW7(b); \
+ b = ROTV1(b); c = ROTV2(c); d = ROTV3(d); \
+ a += b; d ^= a; d = ROTW16(d); \
+ c += d; b ^= c; b = ROTW12(b); \
+ a += b; d ^= a; d = ROTW8(d); \
+ c += d; b ^= c; b = ROTW7(b); \
+ b = ROTV3(b); c = ROTV2(c); d = ROTV1(d);
+
+#define QROUND_WORDS(a,b,c,d) \
+ a = a+b; d ^= a; d = d<<16 | d>>16; \
+ c = c+d; b ^= c; b = b<<12 | b>>20; \
+ a = a+b; d ^= a; d = d<< 8 | d>>24; \
+ c = c+d; b ^= c; b = b<< 7 | b>>25;
+
+#define WRITE_XOR(in, op, d, v0, v1, v2, v3) \
+ STORE(op + d + 0, LOAD(in + d + 0) ^ REVV_BE(v0)); \
+ STORE(op + d + 4, LOAD(in + d + 4) ^ REVV_BE(v1)); \
+ STORE(op + d + 8, LOAD(in + d + 8) ^ REVV_BE(v2)); \
+ STORE(op + d +12, LOAD(in + d +12) ^ REVV_BE(v3));
+
+void CRYPTO_chacha_20(
+ unsigned char *out,
+ const unsigned char *in,
+ size_t inlen,
+ const unsigned char key[32],
+ const unsigned char nonce[8],
+ size_t counter)
+ {
+ unsigned iters, i, *op=(unsigned *)out, *ip=(unsigned *)in, *kp;
+#if defined(__ARM_NEON__)
+ unsigned *np;
+#endif
+ vec s0, s1, s2, s3;
+#if !defined(__ARM_NEON__) && !defined(__SSE2__)
+ __attribute__ ((aligned (16))) unsigned key[8], nonce[4];
+#endif
+ __attribute__ ((aligned (16))) unsigned chacha_const[] =
+ {0x61707865,0x3320646E,0x79622D32,0x6B206574};
+#if defined(__ARM_NEON__) || defined(__SSE2__)
+ kp = (unsigned *)key;
+#else
+ ((vec *)key)[0] = REVV_BE(((vec *)key)[0]);
+ ((vec *)key)[1] = REVV_BE(((vec *)key)[1]);
+ nonce[0] = REVW_BE(((unsigned *)nonce)[0]);
+ nonce[1] = REVW_BE(((unsigned *)nonce)[1]);
+ nonce[2] = REVW_BE(((unsigned *)nonce)[2]);
+ nonce[3] = REVW_BE(((unsigned *)nonce)[3]);
+ kp = (unsigned *)key;
+ np = (unsigned *)nonce;
+#endif
+#if defined(__ARM_NEON__)
+ np = (unsigned*) nonce;
+#endif
+ s0 = LOAD(chacha_const);
+ s1 = LOAD(&((vec*)kp)[0]);
+ s2 = LOAD(&((vec*)kp)[1]);
+ s3 = (vec){
+ counter & 0xffffffff,
+#if __ARM_NEON__
+ 0, /* can't right-shift 32 bits on a 32-bit system. */
+#else
+ counter >> 32,
+#endif
+ ((uint32_t*)nonce)[0],
+ ((uint32_t*)nonce)[1]
+ };
+
+ for (iters = 0; iters < inlen/(BPI*64); iters++)
+ {
+#if GPR_TOO
+ register unsigned x0, x1, x2, x3, x4, x5, x6, x7, x8,
+ x9, x10, x11, x12, x13, x14, x15;
+#endif
+#if VBPI > 2
+ vec v8,v9,v10,v11;
+#endif
+#if VBPI > 3
+ vec v12,v13,v14,v15;
+#endif
+
+ vec v0,v1,v2,v3,v4,v5,v6,v7;
+ v4 = v0 = s0; v5 = v1 = s1; v6 = v2 = s2; v3 = s3;
+ v7 = v3 + ONE;
+#if VBPI > 2
+ v8 = v4; v9 = v5; v10 = v6;
+ v11 = v7 + ONE;
+#endif
+#if VBPI > 3
+ v12 = v8; v13 = v9; v14 = v10;
+ v15 = v11 + ONE;
+#endif
+#if GPR_TOO
+ x0 = chacha_const[0]; x1 = chacha_const[1];
+ x2 = chacha_const[2]; x3 = chacha_const[3];
+ x4 = kp[0]; x5 = kp[1]; x6 = kp[2]; x7 = kp[3];
+ x8 = kp[4]; x9 = kp[5]; x10 = kp[6]; x11 = kp[7];
+ x12 = counter+BPI*iters+(BPI-1); x13 = 0;
+ x14 = np[0]; x15 = np[1];
+#endif
+ for (i = CHACHA_RNDS/2; i; i--)
+ {
+ DQROUND_VECTORS(v0,v1,v2,v3)
+ DQROUND_VECTORS(v4,v5,v6,v7)
+#if VBPI > 2
+ DQROUND_VECTORS(v8,v9,v10,v11)
+#endif
+#if VBPI > 3
+ DQROUND_VECTORS(v12,v13,v14,v15)
+#endif
+#if GPR_TOO
+ QROUND_WORDS( x0, x4, x8,x12)
+ QROUND_WORDS( x1, x5, x9,x13)
+ QROUND_WORDS( x2, x6,x10,x14)
+ QROUND_WORDS( x3, x7,x11,x15)
+ QROUND_WORDS( x0, x5,x10,x15)
+ QROUND_WORDS( x1, x6,x11,x12)
+ QROUND_WORDS( x2, x7, x8,x13)
+ QROUND_WORDS( x3, x4, x9,x14)
+#endif
+ }
+
+ WRITE_XOR(ip, op, 0, v0+s0, v1+s1, v2+s2, v3+s3)
+ s3 += ONE;
+ WRITE_XOR(ip, op, 16, v4+s0, v5+s1, v6+s2, v7+s3)
+ s3 += ONE;
+#if VBPI > 2
+ WRITE_XOR(ip, op, 32, v8+s0, v9+s1, v10+s2, v11+s3)
+ s3 += ONE;
+#endif
+#if VBPI > 3
+ WRITE_XOR(ip, op, 48, v12+s0, v13+s1, v14+s2, v15+s3)
+ s3 += ONE;
+#endif
+ ip += VBPI*16;
+ op += VBPI*16;
+#if GPR_TOO
+ op[0] = REVW_BE(REVW_BE(ip[0]) ^ (x0 + chacha_const[0]));
+ op[1] = REVW_BE(REVW_BE(ip[1]) ^ (x1 + chacha_const[1]));
+ op[2] = REVW_BE(REVW_BE(ip[2]) ^ (x2 + chacha_const[2]));
+ op[3] = REVW_BE(REVW_BE(ip[3]) ^ (x3 + chacha_const[3]));
+ op[4] = REVW_BE(REVW_BE(ip[4]) ^ (x4 + kp[0]));
+ op[5] = REVW_BE(REVW_BE(ip[5]) ^ (x5 + kp[1]));
+ op[6] = REVW_BE(REVW_BE(ip[6]) ^ (x6 + kp[2]));
+ op[7] = REVW_BE(REVW_BE(ip[7]) ^ (x7 + kp[3]));
+ op[8] = REVW_BE(REVW_BE(ip[8]) ^ (x8 + kp[4]));
+ op[9] = REVW_BE(REVW_BE(ip[9]) ^ (x9 + kp[5]));
+ op[10] = REVW_BE(REVW_BE(ip[10]) ^ (x10 + kp[6]));
+ op[11] = REVW_BE(REVW_BE(ip[11]) ^ (x11 + kp[7]));
+ op[12] = REVW_BE(REVW_BE(ip[12]) ^ (x12 + counter+BPI*iters+(BPI-1)));
+ op[13] = REVW_BE(REVW_BE(ip[13]) ^ (x13));
+ op[14] = REVW_BE(REVW_BE(ip[14]) ^ (x14 + np[0]));
+ op[15] = REVW_BE(REVW_BE(ip[15]) ^ (x15 + np[1]));
+ s3 += ONE;
+ ip += 16;
+ op += 16;
+#endif
+ }
+
+ for (iters = inlen%(BPI*64)/64; iters != 0; iters--)
+ {
+ vec v0 = s0, v1 = s1, v2 = s2, v3 = s3;
+ for (i = CHACHA_RNDS/2; i; i--)
+ {
+ DQROUND_VECTORS(v0,v1,v2,v3);
+ }
+ WRITE_XOR(ip, op, 0, v0+s0, v1+s1, v2+s2, v3+s3)
+ s3 += ONE;
+ ip += 16;
+ op += 16;
+ }
+
+ inlen = inlen % 64;
+ if (inlen)
+ {
+ __attribute__ ((aligned (16))) vec buf[4];
+ vec v0,v1,v2,v3;
+ v0 = s0; v1 = s1; v2 = s2; v3 = s3;
+ for (i = CHACHA_RNDS/2; i; i--)
+ {
+ DQROUND_VECTORS(v0,v1,v2,v3);
+ }
+
+ if (inlen >= 16)
+ {
+ STORE(op + 0, LOAD(ip + 0) ^ REVV_BE(v0 + s0));
+ if (inlen >= 32)
+ {
+ STORE(op + 4, LOAD(ip + 4) ^ REVV_BE(v1 + s1));
+ if (inlen >= 48)
+ {
+ STORE(op + 8, LOAD(ip + 8) ^
+ REVV_BE(v2 + s2));
+ buf[3] = REVV_BE(v3 + s3);
+ }
+ else
+ buf[2] = REVV_BE(v2 + s2);
+ }
+ else
+ buf[1] = REVV_BE(v1 + s1);
+ }
+ else
+ buf[0] = REVV_BE(v0 + s0);
+
+ for (i=inlen & ~15; i<inlen; i++)
+ ((char *)op)[i] = ((char *)ip)[i] ^ ((char *)buf)[i];
+ }
+ }
+
+#endif /* !OPENSSL_NO_CHACHA */
diff --git a/crypto/chacha/chachatest.c b/crypto/chacha/chachatest.c
new file mode 100644
index 0000000..b2a9389
--- /dev/null
+++ b/crypto/chacha/chachatest.c
@@ -0,0 +1,211 @@
+/*
+ * Chacha stream algorithm.
+ *
+ * Created on: Jun, 2013
+ * Author: Elie Bursztein (elieb@google.com)
+ *
+ * Adapted from the estream code by D. Bernstein.
+ */
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <openssl/chacha.h>
+
+struct chacha_test {
+ const char *keyhex;
+ const char *noncehex;
+ const char *outhex;
+};
+
+static const struct chacha_test chacha_tests[] = {
+ {
+ "0000000000000000000000000000000000000000000000000000000000000000",
+ "0000000000000000",
+ "76b8e0ada0f13d90405d6ae55386bd28bdd219b8a08ded1aa836efcc8b770dc7da41597c5157488d7724e03fb8d84a376a43b8f41518a11cc387b669b2ee6586",
+ },
+ {
+ "0000000000000000000000000000000000000000000000000000000000000001",
+ "0000000000000000",
+ "4540f05a9f1fb296d7736e7b208e3c96eb4fe1834688d2604f450952ed432d41bbe2a0b6ea7566d2a5d1e7e20d42af2c53d792b1c43fea817e9ad275ae546963",
+ },
+ {
+ "0000000000000000000000000000000000000000000000000000000000000000",
+ "0000000000000001",
+ "de9cba7bf3d69ef5e786dc63973f653a0b49e015adbff7134fcb7df137821031e85a050278a7084527214f73efc7fa5b5277062eb7a0433e445f41e31afab757",
+ },
+ {
+ "0000000000000000000000000000000000000000000000000000000000000000",
+ "0100000000000000",
+ "ef3fdfd6c61578fbf5cf35bd3dd33b8009631634d21e42ac33960bd138e50d32111e4caf237ee53ca8ad6426194a88545ddc497a0b466e7d6bbdb0041b2f586b",
+ },
+ {
+ "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
+ "0001020304050607",
+ "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",
+ },
+};
+
+static unsigned char hex_digit(char h)
+ {
+ if (h >= '0' && h <= '9')
+ return h - '0';
+ else if (h >= 'a' && h <= 'f')
+ return h - 'a' + 10;
+ else if (h >= 'A' && h <= 'F')
+ return h - 'A' + 10;
+ else
+ abort();
+ }
+
+static void hex_decode(unsigned char *out, const char* hex)
+ {
+ size_t j = 0;
+
+ while (*hex != 0)
+ {
+ unsigned char v = hex_digit(*hex++);
+ v <<= 4;
+ v |= hex_digit(*hex++);
+ out[j++] = v;
+ }
+ }
+
+static void hexdump(unsigned char *a, size_t len)
+ {
+ size_t i;
+
+ for (i = 0; i < len; i++)
+ printf("%02x", a[i]);
+ }
+
+/* misalign returns a pointer that points 0 to 15 bytes into |in| such that the
+ * returned pointer has alignment 1 mod 16. */
+static void* misalign(void* in)
+ {
+ intptr_t x = (intptr_t) in;
+ x += (17 - (x % 16)) % 16;
+ return (void*) x;
+ }
+
+int main()
+ {
+ static const unsigned num_tests =
+ sizeof(chacha_tests) / sizeof(struct chacha_test);
+ unsigned i;
+ unsigned char key_bytes[32 + 16];
+ unsigned char nonce_bytes[8 + 16] = {0};
+
+ unsigned char *key = misalign(key_bytes);
+ unsigned char *nonce = misalign(nonce_bytes);
+
+ for (i = 0; i < num_tests; i++)
+ {
+ const struct chacha_test *test = &chacha_tests[i];
+ unsigned char *expected, *out_bytes, *zero_bytes, *out, *zeros;
+ size_t len = strlen(test->outhex);
+
+ if (strlen(test->keyhex) != 32*2 ||
+ strlen(test->noncehex) != 8*2 ||
+ (len & 1) == 1)
+ return 1;
+
+ len /= 2;
+
+ hex_decode(key, test->keyhex);
+ hex_decode(nonce, test->noncehex);
+
+ expected = malloc(len);
+ out_bytes = malloc(len+16);
+ zero_bytes = malloc(len+16);
+ /* Attempt to test unaligned inputs. */
+ out = misalign(out_bytes);
+ zeros = misalign(zero_bytes);
+ memset(zeros, 0, len);
+
+ hex_decode(expected, test->outhex);
+ CRYPTO_chacha_20(out, zeros, len, key, nonce, 0);
+
+ if (memcmp(out, expected, len) != 0)
+ {
+ printf("ChaCha20 test #%d failed.\n", i);
+ printf("got: ");
+ hexdump(out, len);
+ printf("\nexpected: ");
+ hexdump(expected, len);
+ printf("\n");
+ return 1;
+ }
+
+ /* The last test has a large output. We test whether the
+ * counter works as expected by skipping the first 64 bytes of
+ * it. */
+ if (i == num_tests - 1)
+ {
+ CRYPTO_chacha_20(out, zeros, len - 64, key, nonce, 1);
+ if (memcmp(out, expected + 64, len - 64) != 0)
+ {
+ printf("ChaCha20 skip test failed.\n");
+ return 1;
+ }
+ }
+
+ free(expected);
+ free(zero_bytes);
+ free(out_bytes);
+ }
+
+
+ printf("PASS\n");
+ return 0;
+ }
diff --git a/crypto/evp/Makefile b/crypto/evp/Makefile
index b73038d..86b0504 100644
--- a/crypto/evp/Makefile
+++ b/crypto/evp/Makefile
@@ -29,7 +29,8 @@ LIBSRC= encode.c digest.c evp_enc.c evp_key.c evp_acnf.c evp_cnf.c \
c_all.c c_allc.c c_alld.c evp_lib.c bio_ok.c \
evp_pkey.c evp_pbe.c p5_crpt.c p5_crpt2.c \
e_old.c pmeth_lib.c pmeth_fn.c pmeth_gn.c m_sigver.c evp_fips.c \
- e_aes_cbc_hmac_sha1.c e_rc4_hmac_md5.c evp_aead.c
+ e_aes_cbc_hmac_sha1.c e_rc4_hmac_md5.c evp_aead.c \
+ e_chacha20poly1305.c
LIBOBJ= encode.o digest.o evp_enc.o evp_key.o evp_acnf.o evp_cnf.o \
e_des.o e_bf.o e_idea.o e_des3.o e_camellia.o\
@@ -42,7 +43,7 @@ LIBOBJ= encode.o digest.o evp_enc.o evp_key.o evp_acnf.o evp_cnf.o \
c_all.o c_allc.o c_alld.o evp_lib.o bio_ok.o \
evp_pkey.o evp_pbe.o p5_crpt.o p5_crpt2.o \
e_old.o pmeth_lib.o pmeth_fn.o pmeth_gn.o m_sigver.o evp_fips.o \
- e_aes_cbc_hmac_sha1.o e_rc4_hmac_md5.o evp_aead.o
+ e_aes_cbc_hmac_sha1.o e_rc4_hmac_md5.o evp_aead.o e_chacha20poly1305.o
SRC= $(LIBSRC)
@@ -239,6 +240,21 @@ e_cast.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
e_cast.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
e_cast.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
e_cast.o: ../../include/openssl/symhacks.h ../cryptlib.h e_cast.c evp_locl.h
+e_chacha20poly1305.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
+e_chacha20poly1305.o: ../../include/openssl/chacha.h
+e_chacha20poly1305.o: ../../include/openssl/crypto.h
+e_chacha20poly1305.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
+e_chacha20poly1305.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
+e_chacha20poly1305.o: ../../include/openssl/obj_mac.h
+e_chacha20poly1305.o: ../../include/openssl/objects.h
+e_chacha20poly1305.o: ../../include/openssl/opensslconf.h
+e_chacha20poly1305.o: ../../include/openssl/opensslv.h
+e_chacha20poly1305.o: ../../include/openssl/ossl_typ.h
+e_chacha20poly1305.o: ../../include/openssl/poly1305.h
+e_chacha20poly1305.o: ../../include/openssl/safestack.h
+e_chacha20poly1305.o: ../../include/openssl/stack.h
+e_chacha20poly1305.o: ../../include/openssl/symhacks.h e_chacha20poly1305.c
+e_chacha20poly1305.o: evp_locl.h
e_des.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h
e_des.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
e_des.o: ../../include/openssl/des.h ../../include/openssl/des_old.h
@@ -258,9 +274,10 @@ e_des3.o: ../../include/openssl/evp.h ../../include/openssl/lhash.h
e_des3.o: ../../include/openssl/obj_mac.h ../../include/openssl/objects.h
e_des3.o: ../../include/openssl/opensslconf.h ../../include/openssl/opensslv.h
e_des3.o: ../../include/openssl/ossl_typ.h ../../include/openssl/rand.h
-e_des3.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
-e_des3.o: ../../include/openssl/symhacks.h ../../include/openssl/ui.h
-e_des3.o: ../../include/openssl/ui_compat.h ../cryptlib.h e_des3.c evp_locl.h
+e_des3.o: ../../include/openssl/safestack.h ../../include/openssl/sha.h
+e_des3.o: ../../include/openssl/stack.h ../../include/openssl/symhacks.h
+e_des3.o: ../../include/openssl/ui.h ../../include/openssl/ui_compat.h
+e_des3.o: ../cryptlib.h e_des3.c evp_locl.h
e_idea.o: ../../e_os.h ../../include/openssl/asn1.h ../../include/openssl/bio.h
e_idea.o: ../../include/openssl/buffer.h ../../include/openssl/crypto.h
e_idea.o: ../../include/openssl/e_os2.h ../../include/openssl/err.h
@@ -356,6 +373,14 @@ evp_acnf.o: ../../include/openssl/opensslconf.h
evp_acnf.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
evp_acnf.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
evp_acnf.o: ../../include/openssl/symhacks.h ../cryptlib.h evp_acnf.c
+evp_aead.o: ../../include/openssl/asn1.h ../../include/openssl/bio.h
+evp_aead.o: ../../include/openssl/crypto.h ../../include/openssl/e_os2.h
+evp_aead.o: ../../include/openssl/err.h ../../include/openssl/evp.h
+evp_aead.o: ../../include/openssl/lhash.h ../../include/openssl/obj_mac.h
+evp_aead.o: ../../include/openssl/objects.h ../../include/openssl/opensslconf.h
+evp_aead.o: ../../include/openssl/opensslv.h ../../include/openssl/ossl_typ.h
+evp_aead.o: ../../include/openssl/safestack.h ../../include/openssl/stack.h
+evp_aead.o: ../../include/openssl/symhacks.h evp_aead.c
evp_cnf.o: ../../e_os.h ../../include/openssl/asn1.h
evp_cnf.o: ../../include/openssl/bio.h ../../include/openssl/buffer.h
evp_cnf.o: ../../include/openssl/conf.h ../../include/openssl/crypto.h
diff --git a/crypto/evp/e_chacha20poly1305.c b/crypto/evp/e_chacha20poly1305.c
new file mode 100644
index 0000000..1c0c0fb
--- /dev/null
+++ b/crypto/evp/e_chacha20poly1305.c
@@ -0,0 +1,267 @@
+/* ====================================================================
+ * Copyright (c) 2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <openssl/opensslconf.h>
+
+#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
+
+#include <openssl/chacha.h>
+#include <openssl/poly1305.h>
+#include <openssl/evp.h>
+#include <openssl/err.h>
+#include "evp_locl.h"
+
+#define POLY1305_TAG_LEN 16
+#define CHACHA20_NONCE_LEN 8
+
+struct aead_chacha20_poly1305_ctx
+ {
+ unsigned char key[32];
+ unsigned char tag_len;
+ };
+
+static int aead_chacha20_poly1305_init(EVP_AEAD_CTX *ctx, const unsigned char *key, size_t key_len, size_t tag_len)
+ {
+ struct aead_chacha20_poly1305_ctx *c20_ctx;
+
+ if (tag_len == 0)
+ tag_len = POLY1305_TAG_LEN;
+
+ if (tag_len > POLY1305_TAG_LEN)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_INIT, EVP_R_TOO_LARGE);
+ return 0;
+ }
+
+ if (key_len != sizeof(c20_ctx->key))
+ return 0; /* internal error - EVP_AEAD_CTX_init should catch this. */
+
+ c20_ctx = OPENSSL_malloc(sizeof(struct aead_chacha20_poly1305_ctx));
+ if (c20_ctx == NULL)
+ return 0;
+
+ memcpy(&c20_ctx->key[0], key, key_len);
+ c20_ctx->tag_len = tag_len;
+ ctx->aead_state = c20_ctx;
+
+ return 1;
+ }
+
+static void aead_chacha20_poly1305_cleanup(EVP_AEAD_CTX *ctx)
+ {
+ struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
+ OPENSSL_cleanse(c20_ctx->key, sizeof(c20_ctx->key));
+ OPENSSL_free(c20_ctx);
+ }
+
+static void poly1305_update_with_length(poly1305_state *poly1305,
+ const unsigned char *data, size_t data_len)
+ {
+ size_t j = data_len;
+ unsigned char length_bytes[8];
+ unsigned i;
+
+ for (i = 0; i < sizeof(length_bytes); i++)
+ {
+ length_bytes[i] = j;
+ j >>= 8;
+ }
+
+ CRYPTO_poly1305_update(poly1305, data, data_len);
+ CRYPTO_poly1305_update(poly1305, length_bytes, sizeof(length_bytes));
+}
+
+#if __arm__
+#define ALIGNED __attribute__((aligned(16)))
+#else
+#define ALIGNED
+#endif
+
+static ssize_t aead_chacha20_poly1305_seal(const EVP_AEAD_CTX *ctx,
+ unsigned char *out, size_t max_out_len,
+ const unsigned char *nonce, size_t nonce_len,
+ const unsigned char *in, size_t in_len,
+ const unsigned char *ad, size_t ad_len)
+ {
+ const struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
+ unsigned char poly1305_key[32] ALIGNED;
+ poly1305_state poly1305;
+ const uint64_t in_len_64 = in_len;
+
+ /* The underlying ChaCha implementation may not overflow the block
+ * counter into the second counter word. Therefore we disallow
+ * individual operations that work on more than 2TB at a time.
+ * |in_len_64| is needed because, on 32-bit platforms, size_t is only
+ * 32-bits and this produces a warning because it's always false.
+ * Casting to uint64_t inside the conditional is not sufficient to stop
+ * the warning. */
+ if (in_len_64 >= (1ull << 32)*64-64)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_TOO_LARGE);
+ return -1;
+ }
+
+ if (max_out_len < in_len + c20_ctx->tag_len)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_BUFFER_TOO_SMALL);
+ return -1;
+ }
+
+ if (nonce_len != CHACHA20_NONCE_LEN)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_IV_TOO_LARGE);
+ return -1;
+ }
+
+ memset(poly1305_key, 0, sizeof(poly1305_key));
+ CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key), c20_ctx->key, nonce, 0);
+
+ CRYPTO_poly1305_init(&poly1305, poly1305_key);
+ poly1305_update_with_length(&poly1305, ad, ad_len);
+ CRYPTO_chacha_20(out, in, in_len, c20_ctx->key, nonce, 1);
+ poly1305_update_with_length(&poly1305, out, in_len);
+
+ if (c20_ctx->tag_len != POLY1305_TAG_LEN)
+ {
+ unsigned char tag[POLY1305_TAG_LEN];
+ CRYPTO_poly1305_finish(&poly1305, tag);
+ memcpy(out + in_len, tag, c20_ctx->tag_len);
+ return in_len + c20_ctx->tag_len;
+ }
+
+ CRYPTO_poly1305_finish(&poly1305, out + in_len);
+ return in_len + POLY1305_TAG_LEN;
+ }
+
+static ssize_t aead_chacha20_poly1305_open(const EVP_AEAD_CTX *ctx,
+ unsigned char *out, size_t max_out_len,
+ const unsigned char *nonce, size_t nonce_len,
+ const unsigned char *in, size_t in_len,
+ const unsigned char *ad, size_t ad_len)
+ {
+ const struct aead_chacha20_poly1305_ctx *c20_ctx = ctx->aead_state;
+ unsigned char mac[POLY1305_TAG_LEN];
+ unsigned char poly1305_key[32] ALIGNED;
+ size_t out_len;
+ poly1305_state poly1305;
+ const uint64_t in_len_64 = in_len;
+
+ if (in_len < c20_ctx->tag_len)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BAD_DECRYPT);
+ return -1;
+ }
+
+ /* The underlying ChaCha implementation may not overflow the block
+ * counter into the second counter word. Therefore we disallow
+ * individual operations that work on more than 2TB at a time.
+ * |in_len_64| is needed because, on 32-bit platforms, size_t is only
+ * 32-bits and this produces a warning because it's always false.
+ * Casting to uint64_t inside the conditional is not sufficient to stop
+ * the warning. */
+ if (in_len_64 >= (1ull << 32)*64-64)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_SEAL, EVP_R_TOO_LARGE);
+ return -1;
+ }
+
+ if (nonce_len != CHACHA20_NONCE_LEN)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_IV_TOO_LARGE);
+ return -1;
+ }
+
+ out_len = in_len - c20_ctx->tag_len;
+
+ if (max_out_len < out_len)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BUFFER_TOO_SMALL);
+ return -1;
+ }
+
+ memset(poly1305_key, 0, sizeof(poly1305_key));
+ CRYPTO_chacha_20(poly1305_key, poly1305_key, sizeof(poly1305_key), c20_ctx->key, nonce, 0);
+
+ CRYPTO_poly1305_init(&poly1305, poly1305_key);
+ poly1305_update_with_length(&poly1305, ad, ad_len);
+ poly1305_update_with_length(&poly1305, in, out_len);
+ CRYPTO_poly1305_finish(&poly1305, mac);
+
+ if (CRYPTO_memcmp(mac, in + out_len, c20_ctx->tag_len) != 0)
+ {
+ EVPerr(EVP_F_AEAD_CHACHA20_POLY1305_OPEN, EVP_R_BAD_DECRYPT);
+ return -1;
+ }
+
+ CRYPTO_chacha_20(out, in, out_len, c20_ctx->key, nonce, 1);
+ return out_len;
+ }
+
+static const EVP_AEAD aead_chacha20_poly1305 =
+ {
+ 32, /* key len */
+ CHACHA20_NONCE_LEN, /* nonce len */
+ POLY1305_TAG_LEN, /* overhead */
+ POLY1305_TAG_LEN, /* max tag length */
+
+ aead_chacha20_poly1305_init,
+ aead_chacha20_poly1305_cleanup,
+ aead_chacha20_poly1305_seal,
+ aead_chacha20_poly1305_open,
+ };
+
+const EVP_AEAD *EVP_aead_chacha20_poly1305()
+ {
+ return &aead_chacha20_poly1305;
+ }
+
+#endif /* !OPENSSL_NO_CHACHA && !OPENSSL_NO_POLY1305 */
diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h
index bd10642..7dc1656 100644
--- a/crypto/evp/evp.h
+++ b/crypto/evp/evp.h
@@ -1258,6 +1258,11 @@ typedef struct evp_aead_st EVP_AEAD;
const EVP_AEAD *EVP_aead_aes_128_gcm(void);
#endif
+#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
+/* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */
+const EVP_AEAD *EVP_aead_chacha20_poly1305(void);
+#endif
+
/* EVP_AEAD_key_length returns the length, in bytes, of the keys used by
* |aead|. */
size_t EVP_AEAD_key_length(const EVP_AEAD *aead);
@@ -1360,6 +1365,9 @@ void ERR_load_EVP_strings(void);
#define EVP_F_AEAD_AES_128_GCM_INIT 183
#define EVP_F_AEAD_AES_128_GCM_OPEN 181
#define EVP_F_AEAD_AES_128_GCM_SEAL 182
+#define EVP_F_AEAD_CHACHA20_POLY1305_INIT 187
+#define EVP_F_AEAD_CHACHA20_POLY1305_OPEN 184
+#define EVP_F_AEAD_CHACHA20_POLY1305_SEAL 183
#define EVP_F_AEAD_CTX_OPEN 185
#define EVP_F_AEAD_CTX_SEAL 186
#define EVP_F_AESNI_INIT_KEY 165
diff --git a/crypto/evp/evp_err.c b/crypto/evp/evp_err.c
index c47969c..fb747e5 100644
--- a/crypto/evp/evp_err.c
+++ b/crypto/evp/evp_err.c
@@ -73,6 +73,9 @@ static ERR_STRING_DATA EVP_str_functs[]=
{ERR_FUNC(EVP_F_AEAD_AES_128_GCM_INIT), "AEAD_AES_128_GCM_INIT"},
{ERR_FUNC(EVP_F_AEAD_AES_128_GCM_OPEN), "AEAD_AES_128_GCM_OPEN"},
{ERR_FUNC(EVP_F_AEAD_AES_128_GCM_SEAL), "AEAD_AES_128_GCM_SEAL"},
+{ERR_FUNC(EVP_F_AEAD_CHACHA20_POLY1305_INIT), "AEAD_CHACHA20_POLY1305_INIT"},
+{ERR_FUNC(EVP_F_AEAD_CHACHA20_POLY1305_OPEN), "AEAD_CHACHA20_POLY1305_OPEN"},
+{ERR_FUNC(EVP_F_AEAD_CHACHA20_POLY1305_SEAL), "AEAD_CHACHA20_POLY1305_SEAL"},
{ERR_FUNC(EVP_F_AEAD_CTX_OPEN), "AEAD_CTX_OPEN"},
{ERR_FUNC(EVP_F_AEAD_CTX_SEAL), "AEAD_CTX_SEAL"},
{ERR_FUNC(EVP_F_AESNI_INIT_KEY), "AESNI_INIT_KEY"},
diff --git a/crypto/poly1305/Makefile b/crypto/poly1305/Makefile
new file mode 100644
index 0000000..397d7cd
--- /dev/null
+++ b/crypto/poly1305/Makefile
@@ -0,0 +1,81 @@
+#
+# OpenSSL/crypto/poly1305/Makefile
+#
+
+DIR= poly1305
+TOP= ../..
+CC= cc
+CPP= $(CC) -E
+INCLUDES=
+CFLAG=-g
+AR= ar r
+
+POLY1305=poly1305_vec.o
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+ASFLAGS= $(INCLUDES) $(ASFLAG)
+AFLAGS= $(ASFLAGS)
+
+GENERAL=Makefile
+TEST=
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC=poly1305_vec.c
+LIBOBJ=$(POLY1305)
+
+SRC= $(LIBSRC)
+
+EXHEADER=poly1305.h
+HEADER= $(EXHEADER)
+
+ALL= $(GENERAL) $(SRC) $(HEADER)
+
+top:
+ (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all: lib
+
+lib: $(LIBOBJ)
+ $(AR) $(LIB) $(LIBOBJ)
+ $(RANLIB) $(LIB) || echo Never mind.
+ @touch lib
+
+files:
+ $(PERL) $(TOP)/util/files.pl Makefile >> $(TOP)/MINFO
+
+links:
+ @$(PERL) $(TOP)/util/mklink.pl ../../include/openssl $(EXHEADER)
+ @$(PERL) $(TOP)/util/mklink.pl ../../test $(TEST)
+ @$(PERL) $(TOP)/util/mklink.pl ../../apps $(APPS)
+
+install:
+ @[ -n "$(INSTALLTOP)" ] # should be set by top Makefile...
+ @headerlist="$(EXHEADER)"; for i in $$headerlist ; \
+ do \
+ (cp $$i $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i; \
+ chmod 644 $(INSTALL_PREFIX)$(INSTALLTOP)/include/openssl/$$i ); \
+ done;
+
+tags:
+ ctags $(SRC)
+
+tests:
+
+lint:
+ lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+ @[ -n "$(MAKEDEPEND)" ] # should be set by upper Makefile...
+ $(MAKEDEPEND) -- $(CFLAG) $(INCLUDES) $(DEPFLAG) -- $(PROGS) $(LIBSRC)
+
+dclean:
+ $(PERL) -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+ mv -f Makefile.new $(MAKEFILE)
+
+clean:
+ rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
+
+poly1305_vec.o: ../../include/openssl/poly1305.h poly1305_vec.c
diff --git a/crypto/poly1305/poly1305.c b/crypto/poly1305/poly1305.c
new file mode 100644
index 0000000..2e5621d
--- /dev/null
+++ b/crypto/poly1305/poly1305.c
@@ -0,0 +1,321 @@
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+/* This implementation of poly1305 is by Andrew Moon
+ * (https://github.com/floodyberry/poly1305-donna) and released as public
+ * domain. */
+
+#include <string.h>
+#include <stdint.h>
+#include <openssl/opensslconf.h>
+
+#if !defined(OPENSSL_NO_POLY1305)
+
+#include <openssl/poly1305.h>
+#include <openssl/crypto.h>
+
+#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
+/* We can assume little-endian. */
+static uint32_t U8TO32_LE(const unsigned char *m)
+ {
+ uint32_t r;
+ memcpy(&r, m, sizeof(r));
+ return r;
+ }
+
+static void U32TO8_LE(unsigned char *m, uint32_t v)
+ {
+ memcpy(m, &v, sizeof(v));
+ }
+#else
+static uint32_t U8TO32_LE(const unsigned char *m)
+ {
+ return (uint32_t)m[0] |
+ (uint32_t)m[1] << 8 |
+ (uint32_t)m[2] << 16 |
+ (uint32_t)m[3] << 24;
+ }
+
+static void U32TO8_LE(unsigned char *m, uint32_t v)
+ {
+ m[0] = v;
+ m[1] = v >> 8;
+ m[2] = v >> 16;
+ m[3] = v >> 24;
+ }
+#endif
+
+static uint64_t
+mul32x32_64(uint32_t a, uint32_t b)
+ {
+ return (uint64_t)a * b;
+ }
+
+
+struct poly1305_state_st
+ {
+ uint32_t r0,r1,r2,r3,r4;
+ uint32_t s1,s2,s3,s4;
+ uint32_t h0,h1,h2,h3,h4;
+ unsigned char buf[16];
+ unsigned int buf_used;
+ unsigned char key[16];
+ };
+
+/* poly1305_blocks updates |state| given some amount of input data. This
+ * function may only be called with a |len| that is not a multiple of 16 at the
+ * end of the data. Otherwise the input must be buffered into 16 byte blocks.
+ * */
+static void poly1305_update(struct poly1305_state_st *state,
+ const unsigned char *in, size_t len)
+ {
+ uint32_t t0,t1,t2,t3;
+ uint64_t t[5];
+ uint32_t b;
+ uint64_t c;
+ size_t j;
+ unsigned char mp[16];
+
+ if (len < 16)
+ goto poly1305_donna_atmost15bytes;
+
+poly1305_donna_16bytes:
+ t0 = U8TO32_LE(in);
+ t1 = U8TO32_LE(in+4);
+ t2 = U8TO32_LE(in+8);
+ t3 = U8TO32_LE(in+12);
+
+ in += 16;
+ len -= 16;
+
+ state->h0 += t0 & 0x3ffffff;
+ state->h1 += ((((uint64_t)t1 << 32) | t0) >> 26) & 0x3ffffff;
+ state->h2 += ((((uint64_t)t2 << 32) | t1) >> 20) & 0x3ffffff;
+ state->h3 += ((((uint64_t)t3 << 32) | t2) >> 14) & 0x3ffffff;
+ state->h4 += (t3 >> 8) | (1 << 24);
+
+poly1305_donna_mul:
+ t[0] = mul32x32_64(state->h0,state->r0) +
+ mul32x32_64(state->h1,state->s4) +
+ mul32x32_64(state->h2,state->s3) +
+ mul32x32_64(state->h3,state->s2) +
+ mul32x32_64(state->h4,state->s1);
+ t[1] = mul32x32_64(state->h0,state->r1) +
+ mul32x32_64(state->h1,state->r0) +
+ mul32x32_64(state->h2,state->s4) +
+ mul32x32_64(state->h3,state->s3) +
+ mul32x32_64(state->h4,state->s2);
+ t[2] = mul32x32_64(state->h0,state->r2) +
+ mul32x32_64(state->h1,state->r1) +
+ mul32x32_64(state->h2,state->r0) +
+ mul32x32_64(state->h3,state->s4) +
+ mul32x32_64(state->h4,state->s3);
+ t[3] = mul32x32_64(state->h0,state->r3) +
+ mul32x32_64(state->h1,state->r2) +
+ mul32x32_64(state->h2,state->r1) +
+ mul32x32_64(state->h3,state->r0) +
+ mul32x32_64(state->h4,state->s4);
+ t[4] = mul32x32_64(state->h0,state->r4) +
+ mul32x32_64(state->h1,state->r3) +
+ mul32x32_64(state->h2,state->r2) +
+ mul32x32_64(state->h3,state->r1) +
+ mul32x32_64(state->h4,state->r0);
+
+ state->h0 = (uint32_t)t[0] & 0x3ffffff; c = (t[0] >> 26);
+ t[1] += c; state->h1 = (uint32_t)t[1] & 0x3ffffff; b = (uint32_t)(t[1] >> 26);
+ t[2] += b; state->h2 = (uint32_t)t[2] & 0x3ffffff; b = (uint32_t)(t[2] >> 26);
+ t[3] += b; state->h3 = (uint32_t)t[3] & 0x3ffffff; b = (uint32_t)(t[3] >> 26);
+ t[4] += b; state->h4 = (uint32_t)t[4] & 0x3ffffff; b = (uint32_t)(t[4] >> 26);
+ state->h0 += b * 5;
+
+ if (len >= 16)
+ goto poly1305_donna_16bytes;
+
+ /* final bytes */
+poly1305_donna_atmost15bytes:
+ if (!len)
+ return;
+
+ for (j = 0; j < len; j++)
+ mp[j] = in[j];
+ mp[j++] = 1;
+ for (; j < 16; j++)
+ mp[j] = 0;
+ len = 0;
+
+ t0 = U8TO32_LE(mp+0);
+ t1 = U8TO32_LE(mp+4);
+ t2 = U8TO32_LE(mp+8);
+ t3 = U8TO32_LE(mp+12);
+
+ state->h0 += t0 & 0x3ffffff;
+ state->h1 += ((((uint64_t)t1 << 32) | t0) >> 26) & 0x3ffffff;
+ state->h2 += ((((uint64_t)t2 << 32) | t1) >> 20) & 0x3ffffff;
+ state->h3 += ((((uint64_t)t3 << 32) | t2) >> 14) & 0x3ffffff;
+ state->h4 += (t3 >> 8);
+
+ goto poly1305_donna_mul;
+ }
+
+void CRYPTO_poly1305_init(poly1305_state *statep, const unsigned char key[32])
+ {
+ struct poly1305_state_st *state = (struct poly1305_state_st*) statep;
+ uint32_t t0,t1,t2,t3;
+
+ t0 = U8TO32_LE(key+0);
+ t1 = U8TO32_LE(key+4);
+ t2 = U8TO32_LE(key+8);
+ t3 = U8TO32_LE(key+12);
+
+ /* precompute multipliers */
+ state->r0 = t0 & 0x3ffffff; t0 >>= 26; t0 |= t1 << 6;
+ state->r1 = t0 & 0x3ffff03; t1 >>= 20; t1 |= t2 << 12;
+ state->r2 = t1 & 0x3ffc0ff; t2 >>= 14; t2 |= t3 << 18;
+ state->r3 = t2 & 0x3f03fff; t3 >>= 8;
+ state->r4 = t3 & 0x00fffff;
+
+ state->s1 = state->r1 * 5;
+ state->s2 = state->r2 * 5;
+ state->s3 = state->r3 * 5;
+ state->s4 = state->r4 * 5;
+
+ /* init state */
+ state->h0 = 0;
+ state->h1 = 0;
+ state->h2 = 0;
+ state->h3 = 0;
+ state->h4 = 0;
+
+ state->buf_used = 0;
+ memcpy(state->key, key + 16, sizeof(state->key));
+ }
+
+void CRYPTO_poly1305_update(poly1305_state *statep, const unsigned char *in,
+ size_t in_len)
+ {
+ unsigned int i;
+ struct poly1305_state_st *state = (struct poly1305_state_st*) statep;
+
+ if (state->buf_used)
+ {
+ unsigned int todo = 16 - state->buf_used;
+ if (todo > in_len)
+ todo = in_len;
+ for (i = 0; i < todo; i++)
+ state->buf[state->buf_used + i] = in[i];
+ state->buf_used += todo;
+ in_len -= todo;
+ in += todo;
+
+ if (state->buf_used == 16)
+ {
+ poly1305_update(state, state->buf, 16);
+ state->buf_used = 0;
+ }
+ }
+
+ if (in_len >= 16)
+ {
+ size_t todo = in_len & ~0xf;
+ poly1305_update(state, in, todo);
+ in += todo;
+ in_len &= 0xf;
+ }
+
+ if (in_len)
+ {
+ for (i = 0; i < in_len; i++)
+ state->buf[i] = in[i];
+ state->buf_used = in_len;
+ }
+ }
+
+void CRYPTO_poly1305_finish(poly1305_state *statep, unsigned char mac[16])
+ {
+ struct poly1305_state_st *state = (struct poly1305_state_st*) statep;
+ uint64_t f0,f1,f2,f3;
+ uint32_t g0,g1,g2,g3,g4;
+ uint32_t b, nb;
+
+ if (state->buf_used)
+ poly1305_update(state, state->buf, state->buf_used);
+
+ b = state->h0 >> 26; state->h0 = state->h0 & 0x3ffffff;
+ state->h1 += b; b = state->h1 >> 26; state->h1 = state->h1 & 0x3ffffff;
+ state->h2 += b; b = state->h2 >> 26; state->h2 = state->h2 & 0x3ffffff;
+ state->h3 += b; b = state->h3 >> 26; state->h3 = state->h3 & 0x3ffffff;
+ state->h4 += b; b = state->h4 >> 26; state->h4 = state->h4 & 0x3ffffff;
+ state->h0 += b * 5;
+
+ g0 = state->h0 + 5; b = g0 >> 26; g0 &= 0x3ffffff;
+ g1 = state->h1 + b; b = g1 >> 26; g1 &= 0x3ffffff;
+ g2 = state->h2 + b; b = g2 >> 26; g2 &= 0x3ffffff;
+ g3 = state->h3 + b; b = g3 >> 26; g3 &= 0x3ffffff;
+ g4 = state->h4 + b - (1 << 26);
+
+ b = (g4 >> 31) - 1;
+ nb = ~b;
+ state->h0 = (state->h0 & nb) | (g0 & b);
+ state->h1 = (state->h1 & nb) | (g1 & b);
+ state->h2 = (state->h2 & nb) | (g2 & b);
+ state->h3 = (state->h3 & nb) | (g3 & b);
+ state->h4 = (state->h4 & nb) | (g4 & b);
+
+ f0 = ((state->h0 ) | (state->h1 << 26)) + (uint64_t)U8TO32_LE(&state->key[0]);
+ f1 = ((state->h1 >> 6) | (state->h2 << 20)) + (uint64_t)U8TO32_LE(&state->key[4]);
+ f2 = ((state->h2 >> 12) | (state->h3 << 14)) + (uint64_t)U8TO32_LE(&state->key[8]);
+ f3 = ((state->h3 >> 18) | (state->h4 << 8)) + (uint64_t)U8TO32_LE(&state->key[12]);
+
+ U32TO8_LE(&mac[ 0], f0); f1 += (f0 >> 32);
+ U32TO8_LE(&mac[ 4], f1); f2 += (f1 >> 32);
+ U32TO8_LE(&mac[ 8], f2); f3 += (f2 >> 32);
+ U32TO8_LE(&mac[12], f3);
+ }
+
+#endif /* !OPENSSL_NO_POLY1305 */
diff --git a/crypto/poly1305/poly1305.h b/crypto/poly1305/poly1305.h
new file mode 100644
index 0000000..28f85ed
--- /dev/null
+++ b/crypto/poly1305/poly1305.h
@@ -0,0 +1,88 @@
+/*
+ * Poly1305
+ *
+ * Created on: Jun, 2013
+ * Author: Elie Bursztein (elieb@google.com)
+ *
+ * Adapted from the estream code by D. Bernstein.
+ */
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#ifndef HEADER_POLY1305_H_
+#define HEADER_POLY1305_H_
+
+#include <stdint.h>
+#include <openssl/opensslconf.h>
+
+#if defined(OPENSSL_NO_POLY1305)
+#error Poly1305 support is disabled.
+#endif
+
+typedef unsigned char poly1305_state[512];
+
+/* poly1305_init sets up |state| so that it can be used to calculate an
+ * authentication tag with the one-time key |key|. Note that |key| is a
+ * one-time key and therefore there is no `reset' method because that would
+ * enable several messages to be authenticated with the same key. */
+extern void CRYPTO_poly1305_init(poly1305_state* state,
+ const unsigned char key[32]);
+
+/* poly1305_update processes |in_len| bytes from |in|. It can be called zero or
+ * more times after poly1305_init. */
+extern void CRYPTO_poly1305_update(poly1305_state* state,
+ const unsigned char *in,
+ size_t in_len);
+
+/* poly1305_finish completes the poly1305 calculation and writes a 16 byte
+ * authentication tag to |mac|. */
+extern void CRYPTO_poly1305_finish(poly1305_state* state,
+ unsigned char mac[16]);
+
+#endif /* HEADER_POLY1305_H_ */
diff --git a/crypto/poly1305/poly1305_arm.c b/crypto/poly1305/poly1305_arm.c
new file mode 100644
index 0000000..adcef35
--- /dev/null
+++ b/crypto/poly1305/poly1305_arm.c
@@ -0,0 +1,327 @@
+/* ====================================================================
+ * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+/* This implementation was taken from the public domain, neon2 version in
+ * SUPERCOP by D. J. Bernstein and Peter Schwabe. */
+
+#include <stdint.h>
+
+#include <openssl/poly1305.h>
+
+#if !defined(OPENSSL_NO_POLY1305)
+
+typedef struct {
+ uint32_t v[12]; /* for alignment; only using 10 */
+} fe1305x2;
+
+#define addmulmod openssl_poly1305_neon2_addmulmod
+#define blocks openssl_poly1305_neon2_blocks
+
+extern void addmulmod(fe1305x2 *r, const fe1305x2 *x, const fe1305x2 *y, const fe1305x2 *c);
+
+extern int blocks(fe1305x2 *h, const fe1305x2 *precomp, const unsigned char *in, unsigned int inlen);
+
+static void freeze(fe1305x2 *r)
+ {
+ int i;
+
+ uint32_t x0 = r->v[0];
+ uint32_t x1 = r->v[2];
+ uint32_t x2 = r->v[4];
+ uint32_t x3 = r->v[6];
+ uint32_t x4 = r->v[8];
+ uint32_t y0;
+ uint32_t y1;
+ uint32_t y2;
+ uint32_t y3;
+ uint32_t y4;
+ uint32_t swap;
+
+ for (i = 0;i < 3;++i)
+ {
+ x1 += x0 >> 26; x0 &= 0x3ffffff;
+ x2 += x1 >> 26; x1 &= 0x3ffffff;
+ x3 += x2 >> 26; x2 &= 0x3ffffff;
+ x4 += x3 >> 26; x3 &= 0x3ffffff;
+ x0 += 5*(x4 >> 26); x4 &= 0x3ffffff;
+ }
+
+ y0 = x0 + 5;
+ y1 = x1 + (y0 >> 26); y0 &= 0x3ffffff;
+ y2 = x2 + (y1 >> 26); y1 &= 0x3ffffff;
+ y3 = x3 + (y2 >> 26); y2 &= 0x3ffffff;
+ y4 = x4 + (y3 >> 26); y3 &= 0x3ffffff;
+ swap = -(y4 >> 26); y4 &= 0x3ffffff;
+
+ y0 ^= x0;
+ y1 ^= x1;
+ y2 ^= x2;
+ y3 ^= x3;
+ y4 ^= x4;
+
+ y0 &= swap;
+ y1 &= swap;
+ y2 &= swap;
+ y3 &= swap;
+ y4 &= swap;
+
+ y0 ^= x0;
+ y1 ^= x1;
+ y2 ^= x2;
+ y3 ^= x3;
+ y4 ^= x4;
+
+ r->v[0] = y0;
+ r->v[2] = y1;
+ r->v[4] = y2;
+ r->v[6] = y3;
+ r->v[8] = y4;
+ }
+
+static void fe1305x2_tobytearray(unsigned char *r, fe1305x2 *x)
+ {
+ uint32_t x0 = x->v[0];
+ uint32_t x1 = x->v[2];
+ uint32_t x2 = x->v[4];
+ uint32_t x3 = x->v[6];
+ uint32_t x4 = x->v[8];
+
+ x1 += x0 >> 26;
+ x0 &= 0x3ffffff;
+ x2 += x1 >> 26;
+ x1 &= 0x3ffffff;
+ x3 += x2 >> 26;
+ x2 &= 0x3ffffff;
+ x4 += x3 >> 26;
+ x3 &= 0x3ffffff;
+
+ *(uint32_t *) r = x0 + (x1 << 26);
+ *(uint32_t *) (r + 4) = (x1 >> 6) + (x2 << 20);
+ *(uint32_t *) (r + 8) = (x2 >> 12) + (x3 << 14);
+ *(uint32_t *) (r + 12) = (x3 >> 18) + (x4 << 8);
+ }
+
+/* load32 exists to avoid breaking strict aliasing rules in
+ * fe1305x2_frombytearray. */
+static uint32_t load32(unsigned char *t)
+ {
+ uint32_t tmp;
+ memcpy(&tmp, t, sizeof(tmp));
+ return tmp;
+ }
+
+static void fe1305x2_frombytearray(fe1305x2 *r, const unsigned char *x, unsigned long long xlen)
+ {
+ int i;
+ unsigned char t[17];
+
+ for (i = 0; (i < 16) && (i < xlen); i++)
+ t[i] = x[i];
+ xlen -= i;
+ x += i;
+ t[i++] = 1;
+ for (; i<17; i++)
+ t[i] = 0;
+
+ r->v[0] = 0x3ffffff & load32(t);
+ r->v[2] = 0x3ffffff & (load32(t + 3) >> 2);
+ r->v[4] = 0x3ffffff & (load32(t + 6) >> 4);
+ r->v[6] = 0x3ffffff & (load32(t + 9) >> 6);
+ r->v[8] = load32(t + 13);
+
+ if (xlen)
+ {
+ for (i = 0; (i < 16) && (i < xlen); i++)
+ t[i] = x[i];
+ t[i++] = 1;
+ for (; i<17; i++)
+ t[i] = 0;
+
+ r->v[1] = 0x3ffffff & load32(t);
+ r->v[3] = 0x3ffffff & (load32(t + 3) >> 2);
+ r->v[5] = 0x3ffffff & (load32(t + 6) >> 4);
+ r->v[7] = 0x3ffffff & (load32(t + 9) >> 6);
+ r->v[9] = load32(t + 13);
+ }
+ else
+ r->v[1] = r->v[3] = r->v[5] = r->v[7] = r->v[9] = 0;
+ }
+
+static const fe1305x2 zero __attribute__ ((aligned (16)));
+
+struct poly1305_state_st {
+ unsigned char data[sizeof(fe1305x2[5]) + 128];
+ unsigned char buf[32];
+ unsigned int buf_used;
+ unsigned char key[16];
+};
+
+void CRYPTO_poly1305_init(poly1305_state *state, const unsigned char key[32])
+ {
+ struct poly1305_state_st *st = (struct poly1305_state_st*) (state);
+ fe1305x2 *const r = (fe1305x2 *) (st->data + (15 & (-(int) st->data)));
+ fe1305x2 *const h = r + 1;
+ fe1305x2 *const c = h + 1;
+ fe1305x2 *const precomp = c + 1;
+ unsigned int j;
+
+ r->v[1] = r->v[0] = 0x3ffffff & *(uint32_t *) key;
+ r->v[3] = r->v[2] = 0x3ffff03 & ((*(uint32_t *) (key + 3)) >> 2);
+ r->v[5] = r->v[4] = 0x3ffc0ff & ((*(uint32_t *) (key + 6)) >> 4);
+ r->v[7] = r->v[6] = 0x3f03fff & ((*(uint32_t *) (key + 9)) >> 6);
+ r->v[9] = r->v[8] = 0x00fffff & ((*(uint32_t *) (key + 12)) >> 8);
+
+ for (j = 0; j < 10; j++)
+ h->v[j] = 0; /* XXX: should fast-forward a bit */
+
+ addmulmod(precomp,r,r,&zero); /* precompute r^2 */
+ addmulmod(precomp + 1,precomp,precomp,&zero); /* precompute r^4 */
+
+ memcpy(st->key, key + 16, 16);
+ st->buf_used = 0;
+ }
+
+void CRYPTO_poly1305_update(poly1305_state *state, const unsigned char *in, size_t in_len)
+ {
+ struct poly1305_state_st *st = (struct poly1305_state_st*) (state);
+ fe1305x2 *const r = (fe1305x2 *) (st->data + (15 & (-(int) st->data)));
+ fe1305x2 *const h = r + 1;
+ fe1305x2 *const c = h + 1;
+ fe1305x2 *const precomp = c + 1;
+ unsigned int i;
+
+ if (st->buf_used)
+ {
+ unsigned int todo = 32 - st->buf_used;
+ if (todo > in_len)
+ todo = in_len;
+ for (i = 0; i < todo; i++)
+ st->buf[st->buf_used + i] = in[i];
+ st->buf_used += todo;
+ in_len -= todo;
+ in += todo;
+
+ if (st->buf_used == sizeof(st->buf) && in_len)
+ {
+ addmulmod(h,h,precomp,&zero);
+ fe1305x2_frombytearray(c, st->buf, sizeof(st->buf));
+ for (i = 0; i < 10; i++)
+ h->v[i] += c->v[i];
+ st->buf_used = 0;
+ }
+ }
+
+ while (in_len > 32)
+ {
+ unsigned int tlen = 1048576;
+ if (in_len < tlen)
+ tlen = in_len;
+ tlen -= blocks(h, precomp, in, tlen);
+ in_len -= tlen;
+ in += tlen;
+ }
+
+ if (in_len)
+ {
+ for (i = 0; i < in_len; i++)
+ st->buf[i] = in[i];
+ st->buf_used = in_len;
+ }
+ }
+
+void CRYPTO_poly1305_finish(poly1305_state* state, unsigned char mac[16])
+ {
+ struct poly1305_state_st *st = (struct poly1305_state_st*) (state);
+ fe1305x2 *const r = (fe1305x2 *) (st->data + (15 & (-(int) st->data)));
+ fe1305x2 *const h = r + 1;
+ fe1305x2 *const c = h + 1;
+ fe1305x2 *const precomp = c + 1;
+
+ addmulmod(h,h,precomp,&zero);
+
+ if (st->buf_used > 16)
+ {
+ fe1305x2_frombytearray(c, st->buf, st->buf_used);
+ precomp->v[1] = r->v[1];
+ precomp->v[3] = r->v[3];
+ precomp->v[5] = r->v[5];
+ precomp->v[7] = r->v[7];
+ precomp->v[9] = r->v[9];
+ addmulmod(h,h,precomp,c);
+ }
+ else if (st->buf_used > 0)
+ {
+ fe1305x2_frombytearray(c, st->buf, st->buf_used);
+ r->v[1] = 1;
+ r->v[3] = 0;
+ r->v[5] = 0;
+ r->v[7] = 0;
+ r->v[9] = 0;
+ addmulmod(h,h,r,c);
+ }
+
+ h->v[0] += h->v[1];
+ h->v[2] += h->v[3];
+ h->v[4] += h->v[5];
+ h->v[6] += h->v[7];
+ h->v[8] += h->v[9];
+ freeze(h);
+
+ fe1305x2_frombytearray(c, st->key, 16);
+ c->v[8] ^= (1 << 24);
+
+ h->v[0] += c->v[0];
+ h->v[2] += c->v[2];
+ h->v[4] += c->v[4];
+ h->v[6] += c->v[6];
+ h->v[8] += c->v[8];
+ fe1305x2_tobytearray(mac, h);
+ }
+
+#endif /* !OPENSSL_NO_POLY1305 */
diff --git a/crypto/poly1305/poly1305_arm_asm.S b/crypto/poly1305/poly1305_arm_asm.S
new file mode 100644
index 0000000..449d16f
--- /dev/null
+++ b/crypto/poly1305/poly1305_arm_asm.S
@@ -0,0 +1,2009 @@
+# This implementation was taken from the public domain, neon2 version in
+# SUPERCOP by D. J. Bernstein and Peter Schwabe.
+
+# qhasm: int32 input_0
+
+# qhasm: int32 input_1
+
+# qhasm: int32 input_2
+
+# qhasm: int32 input_3
+
+# qhasm: stack32 input_4
+
+# qhasm: stack32 input_5
+
+# qhasm: stack32 input_6
+
+# qhasm: stack32 input_7
+
+# qhasm: int32 caller_r4
+
+# qhasm: int32 caller_r5
+
+# qhasm: int32 caller_r6
+
+# qhasm: int32 caller_r7
+
+# qhasm: int32 caller_r8
+
+# qhasm: int32 caller_r9
+
+# qhasm: int32 caller_r10
+
+# qhasm: int32 caller_r11
+
+# qhasm: int32 caller_r12
+
+# qhasm: int32 caller_r14
+
+# qhasm: reg128 caller_q4
+
+# qhasm: reg128 caller_q5
+
+# qhasm: reg128 caller_q6
+
+# qhasm: reg128 caller_q7
+
+# qhasm: startcode
+.fpu neon
+.text
+
+# qhasm: reg128 r0
+
+# qhasm: reg128 r1
+
+# qhasm: reg128 r2
+
+# qhasm: reg128 r3
+
+# qhasm: reg128 r4
+
+# qhasm: reg128 x01
+
+# qhasm: reg128 x23
+
+# qhasm: reg128 x4
+
+# qhasm: reg128 y0
+
+# qhasm: reg128 y12
+
+# qhasm: reg128 y34
+
+# qhasm: reg128 5y12
+
+# qhasm: reg128 5y34
+
+# qhasm: stack128 y0_stack
+
+# qhasm: stack128 y12_stack
+
+# qhasm: stack128 y34_stack
+
+# qhasm: stack128 5y12_stack
+
+# qhasm: stack128 5y34_stack
+
+# qhasm: reg128 z0
+
+# qhasm: reg128 z12
+
+# qhasm: reg128 z34
+
+# qhasm: reg128 5z12
+
+# qhasm: reg128 5z34
+
+# qhasm: stack128 z0_stack
+
+# qhasm: stack128 z12_stack
+
+# qhasm: stack128 z34_stack
+
+# qhasm: stack128 5z12_stack
+
+# qhasm: stack128 5z34_stack
+
+# qhasm: stack128 two24
+
+# qhasm: int32 ptr
+
+# qhasm: reg128 c01
+
+# qhasm: reg128 c23
+
+# qhasm: reg128 d01
+
+# qhasm: reg128 d23
+
+# qhasm: reg128 t0
+
+# qhasm: reg128 t1
+
+# qhasm: reg128 t2
+
+# qhasm: reg128 t3
+
+# qhasm: reg128 t4
+
+# qhasm: reg128 mask
+
+# qhasm: reg128 u0
+
+# qhasm: reg128 u1
+
+# qhasm: reg128 u2
+
+# qhasm: reg128 u3
+
+# qhasm: reg128 u4
+
+# qhasm: reg128 v01
+
+# qhasm: reg128 mid
+
+# qhasm: reg128 v23
+
+# qhasm: reg128 v4
+
+# qhasm: int32 len
+
+# qhasm: qpushenter crypto_onetimeauth_poly1305_neon2_blocks
+.align 4
+.global openssl_poly1305_neon2_blocks
+.type openssl_poly1305_neon2_blocks STT_FUNC
+openssl_poly1305_neon2_blocks:
+vpush {q4,q5,q6,q7}
+mov r12,sp
+sub sp,sp,#192
+and sp,sp,#0xffffffe0
+
+# qhasm: len = input_3
+# asm 1: mov >len=int32#4,<input_3=int32#4
+# asm 2: mov >len=r3,<input_3=r3
+mov r3,r3
+
+# qhasm: new y0
+
+# qhasm: y0 = mem64[input_1]y0[1]; input_1 += 8
+# asm 1: vld1.8 {<y0=reg128#1%bot},[<input_1=int32#2]!
+# asm 2: vld1.8 {<y0=d0},[<input_1=r1]!
+vld1.8 {d0},[r1]!
+
+# qhasm: y12 = mem128[input_1]; input_1 += 16
+# asm 1: vld1.8 {>y12=reg128#2%bot->y12=reg128#2%top},[<input_1=int32#2]!
+# asm 2: vld1.8 {>y12=d2->y12=d3},[<input_1=r1]!
+vld1.8 {d2-d3},[r1]!
+
+# qhasm: y34 = mem128[input_1]; input_1 += 16
+# asm 1: vld1.8 {>y34=reg128#3%bot->y34=reg128#3%top},[<input_1=int32#2]!
+# asm 2: vld1.8 {>y34=d4->y34=d5},[<input_1=r1]!
+vld1.8 {d4-d5},[r1]!
+
+# qhasm: input_1 += 8
+# asm 1: add >input_1=int32#2,<input_1=int32#2,#8
+# asm 2: add >input_1=r1,<input_1=r1,#8
+add r1,r1,#8
+
+# qhasm: new z0
+
+# qhasm: z0 = mem64[input_1]z0[1]; input_1 += 8
+# asm 1: vld1.8 {<z0=reg128#4%bot},[<input_1=int32#2]!
+# asm 2: vld1.8 {<z0=d6},[<input_1=r1]!
+vld1.8 {d6},[r1]!
+
+# qhasm: z12 = mem128[input_1]; input_1 += 16
+# asm 1: vld1.8 {>z12=reg128#5%bot->z12=reg128#5%top},[<input_1=int32#2]!
+# asm 2: vld1.8 {>z12=d8->z12=d9},[<input_1=r1]!
+vld1.8 {d8-d9},[r1]!
+
+# qhasm: z34 = mem128[input_1]; input_1 += 16
+# asm 1: vld1.8 {>z34=reg128#6%bot->z34=reg128#6%top},[<input_1=int32#2]!
+# asm 2: vld1.8 {>z34=d10->z34=d11},[<input_1=r1]!
+vld1.8 {d10-d11},[r1]!
+
+# qhasm: 2x mask = 0xffffffff
+# asm 1: vmov.i64 >mask=reg128#7,#0xffffffff
+# asm 2: vmov.i64 >mask=q6,#0xffffffff
+vmov.i64 q6,#0xffffffff
+
+# qhasm: 2x u4 = 0xff
+# asm 1: vmov.i64 >u4=reg128#8,#0xff
+# asm 2: vmov.i64 >u4=q7,#0xff
+vmov.i64 q7,#0xff
+
+# qhasm: x01 aligned= mem128[input_0];input_0+=16
+# asm 1: vld1.8 {>x01=reg128#9%bot->x01=reg128#9%top},[<input_0=int32#1,: 128]!
+# asm 2: vld1.8 {>x01=d16->x01=d17},[<input_0=r0,: 128]!
+vld1.8 {d16-d17},[r0,: 128]!
+
+# qhasm: x23 aligned= mem128[input_0];input_0+=16
+# asm 1: vld1.8 {>x23=reg128#10%bot->x23=reg128#10%top},[<input_0=int32#1,: 128]!
+# asm 2: vld1.8 {>x23=d18->x23=d19},[<input_0=r0,: 128]!
+vld1.8 {d18-d19},[r0,: 128]!
+
+# qhasm: x4 aligned= mem64[input_0]x4[1]
+# asm 1: vld1.8 {<x4=reg128#11%bot},[<input_0=int32#1,: 64]
+# asm 2: vld1.8 {<x4=d20},[<input_0=r0,: 64]
+vld1.8 {d20},[r0,: 64]
+
+# qhasm: input_0 -= 32
+# asm 1: sub >input_0=int32#1,<input_0=int32#1,#32
+# asm 2: sub >input_0=r0,<input_0=r0,#32
+sub r0,r0,#32
+
+# qhasm: 2x mask unsigned>>=6
+# asm 1: vshr.u64 >mask=reg128#7,<mask=reg128#7,#6
+# asm 2: vshr.u64 >mask=q6,<mask=q6,#6
+vshr.u64 q6,q6,#6
+
+# qhasm: 2x u4 unsigned>>= 7
+# asm 1: vshr.u64 >u4=reg128#8,<u4=reg128#8,#7
+# asm 2: vshr.u64 >u4=q7,<u4=q7,#7
+vshr.u64 q7,q7,#7
+
+# qhasm: 4x 5y12 = y12 << 2
+# asm 1: vshl.i32 >5y12=reg128#12,<y12=reg128#2,#2
+# asm 2: vshl.i32 >5y12=q11,<y12=q1,#2
+vshl.i32 q11,q1,#2
+
+# qhasm: 4x 5y34 = y34 << 2
+# asm 1: vshl.i32 >5y34=reg128#13,<y34=reg128#3,#2
+# asm 2: vshl.i32 >5y34=q12,<y34=q2,#2
+vshl.i32 q12,q2,#2
+
+# qhasm: 4x 5y12 += y12
+# asm 1: vadd.i32 >5y12=reg128#12,<5y12=reg128#12,<y12=reg128#2
+# asm 2: vadd.i32 >5y12=q11,<5y12=q11,<y12=q1
+vadd.i32 q11,q11,q1
+
+# qhasm: 4x 5y34 += y34
+# asm 1: vadd.i32 >5y34=reg128#13,<5y34=reg128#13,<y34=reg128#3
+# asm 2: vadd.i32 >5y34=q12,<5y34=q12,<y34=q2
+vadd.i32 q12,q12,q2
+
+# qhasm: 2x u4 <<= 24
+# asm 1: vshl.i64 >u4=reg128#8,<u4=reg128#8,#24
+# asm 2: vshl.i64 >u4=q7,<u4=q7,#24
+vshl.i64 q7,q7,#24
+
+# qhasm: 4x 5z12 = z12 << 2
+# asm 1: vshl.i32 >5z12=reg128#14,<z12=reg128#5,#2
+# asm 2: vshl.i32 >5z12=q13,<z12=q4,#2
+vshl.i32 q13,q4,#2
+
+# qhasm: 4x 5z34 = z34 << 2
+# asm 1: vshl.i32 >5z34=reg128#15,<z34=reg128#6,#2
+# asm 2: vshl.i32 >5z34=q14,<z34=q5,#2
+vshl.i32 q14,q5,#2
+
+# qhasm: 4x 5z12 += z12
+# asm 1: vadd.i32 >5z12=reg128#14,<5z12=reg128#14,<z12=reg128#5
+# asm 2: vadd.i32 >5z12=q13,<5z12=q13,<z12=q4
+vadd.i32 q13,q13,q4
+
+# qhasm: 4x 5z34 += z34
+# asm 1: vadd.i32 >5z34=reg128#15,<5z34=reg128#15,<z34=reg128#6
+# asm 2: vadd.i32 >5z34=q14,<5z34=q14,<z34=q5
+vadd.i32 q14,q14,q5
+
+# qhasm: new two24
+
+# qhasm: new y0_stack
+
+# qhasm: new y12_stack
+
+# qhasm: new y34_stack
+
+# qhasm: new 5y12_stack
+
+# qhasm: new 5y34_stack
+
+# qhasm: new z0_stack
+
+# qhasm: new z12_stack
+
+# qhasm: new z34_stack
+
+# qhasm: new 5z12_stack
+
+# qhasm: new 5z34_stack
+
+# qhasm: ptr = &two24
+# asm 1: lea >ptr=int32#2,<two24=stack128#1
+# asm 2: lea >ptr=r1,<two24=[sp,#0]
+add r1,sp,#0
+
+# qhasm: mem128[ptr] aligned= u4
+# asm 1: vst1.8 {<u4=reg128#8%bot-<u4=reg128#8%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<u4=d14-<u4=d15},[<ptr=r1,: 128]
+vst1.8 {d14-d15},[r1,: 128]
+
+# qhasm: r4 = u4
+# asm 1: vmov >r4=reg128#16,<u4=reg128#8
+# asm 2: vmov >r4=q15,<u4=q7
+vmov q15,q7
+
+# qhasm: r0 = u4
+# asm 1: vmov >r0=reg128#8,<u4=reg128#8
+# asm 2: vmov >r0=q7,<u4=q7
+vmov q7,q7
+
+# qhasm: ptr = &y0_stack
+# asm 1: lea >ptr=int32#2,<y0_stack=stack128#2
+# asm 2: lea >ptr=r1,<y0_stack=[sp,#16]
+add r1,sp,#16
+
+# qhasm: mem128[ptr] aligned= y0
+# asm 1: vst1.8 {<y0=reg128#1%bot-<y0=reg128#1%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<y0=d0-<y0=d1},[<ptr=r1,: 128]
+vst1.8 {d0-d1},[r1,: 128]
+
+# qhasm: ptr = &y12_stack
+# asm 1: lea >ptr=int32#2,<y12_stack=stack128#3
+# asm 2: lea >ptr=r1,<y12_stack=[sp,#32]
+add r1,sp,#32
+
+# qhasm: mem128[ptr] aligned= y12
+# asm 1: vst1.8 {<y12=reg128#2%bot-<y12=reg128#2%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<y12=d2-<y12=d3},[<ptr=r1,: 128]
+vst1.8 {d2-d3},[r1,: 128]
+
+# qhasm: ptr = &y34_stack
+# asm 1: lea >ptr=int32#2,<y34_stack=stack128#4
+# asm 2: lea >ptr=r1,<y34_stack=[sp,#48]
+add r1,sp,#48
+
+# qhasm: mem128[ptr] aligned= y34
+# asm 1: vst1.8 {<y34=reg128#3%bot-<y34=reg128#3%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<y34=d4-<y34=d5},[<ptr=r1,: 128]
+vst1.8 {d4-d5},[r1,: 128]
+
+# qhasm: ptr = &z0_stack
+# asm 1: lea >ptr=int32#2,<z0_stack=stack128#7
+# asm 2: lea >ptr=r1,<z0_stack=[sp,#96]
+add r1,sp,#96
+
+# qhasm: mem128[ptr] aligned= z0
+# asm 1: vst1.8 {<z0=reg128#4%bot-<z0=reg128#4%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<z0=d6-<z0=d7},[<ptr=r1,: 128]
+vst1.8 {d6-d7},[r1,: 128]
+
+# qhasm: ptr = &z12_stack
+# asm 1: lea >ptr=int32#2,<z12_stack=stack128#8
+# asm 2: lea >ptr=r1,<z12_stack=[sp,#112]
+add r1,sp,#112
+
+# qhasm: mem128[ptr] aligned= z12
+# asm 1: vst1.8 {<z12=reg128#5%bot-<z12=reg128#5%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<z12=d8-<z12=d9},[<ptr=r1,: 128]
+vst1.8 {d8-d9},[r1,: 128]
+
+# qhasm: ptr = &z34_stack
+# asm 1: lea >ptr=int32#2,<z34_stack=stack128#9
+# asm 2: lea >ptr=r1,<z34_stack=[sp,#128]
+add r1,sp,#128
+
+# qhasm: mem128[ptr] aligned= z34
+# asm 1: vst1.8 {<z34=reg128#6%bot-<z34=reg128#6%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<z34=d10-<z34=d11},[<ptr=r1,: 128]
+vst1.8 {d10-d11},[r1,: 128]
+
+# qhasm: ptr = &5y12_stack
+# asm 1: lea >ptr=int32#2,<5y12_stack=stack128#5
+# asm 2: lea >ptr=r1,<5y12_stack=[sp,#64]
+add r1,sp,#64
+
+# qhasm: mem128[ptr] aligned= 5y12
+# asm 1: vst1.8 {<5y12=reg128#12%bot-<5y12=reg128#12%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<5y12=d22-<5y12=d23},[<ptr=r1,: 128]
+vst1.8 {d22-d23},[r1,: 128]
+
+# qhasm: ptr = &5y34_stack
+# asm 1: lea >ptr=int32#2,<5y34_stack=stack128#6
+# asm 2: lea >ptr=r1,<5y34_stack=[sp,#80]
+add r1,sp,#80
+
+# qhasm: mem128[ptr] aligned= 5y34
+# asm 1: vst1.8 {<5y34=reg128#13%bot-<5y34=reg128#13%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<5y34=d24-<5y34=d25},[<ptr=r1,: 128]
+vst1.8 {d24-d25},[r1,: 128]
+
+# qhasm: ptr = &5z12_stack
+# asm 1: lea >ptr=int32#2,<5z12_stack=stack128#10
+# asm 2: lea >ptr=r1,<5z12_stack=[sp,#144]
+add r1,sp,#144
+
+# qhasm: mem128[ptr] aligned= 5z12
+# asm 1: vst1.8 {<5z12=reg128#14%bot-<5z12=reg128#14%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<5z12=d26-<5z12=d27},[<ptr=r1,: 128]
+vst1.8 {d26-d27},[r1,: 128]
+
+# qhasm: ptr = &5z34_stack
+# asm 1: lea >ptr=int32#2,<5z34_stack=stack128#11
+# asm 2: lea >ptr=r1,<5z34_stack=[sp,#160]
+add r1,sp,#160
+
+# qhasm: mem128[ptr] aligned= 5z34
+# asm 1: vst1.8 {<5z34=reg128#15%bot-<5z34=reg128#15%top},[<ptr=int32#2,: 128]
+# asm 2: vst1.8 {<5z34=d28-<5z34=d29},[<ptr=r1,: 128]
+vst1.8 {d28-d29},[r1,: 128]
+
+# qhasm: unsigned>? len - 64
+# asm 1: cmp <len=int32#4,#64
+# asm 2: cmp <len=r3,#64
+cmp r3,#64
+
+# qhasm: goto below64bytes if !unsigned>
+bls ._below64bytes
+
+# qhasm: input_2 += 32
+# asm 1: add >input_2=int32#2,<input_2=int32#3,#32
+# asm 2: add >input_2=r1,<input_2=r2,#32
+add r1,r2,#32
+
+# qhasm: mainloop2:
+._mainloop2:
+
+# qhasm: c01 = mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>c01=reg128#1%bot->c01=reg128#1%top},[<input_2=int32#2]!
+# asm 2: vld1.8 {>c01=d0->c01=d1},[<input_2=r1]!
+vld1.8 {d0-d1},[r1]!
+
+# qhasm: c23 = mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>c23=reg128#2%bot->c23=reg128#2%top},[<input_2=int32#2]!
+# asm 2: vld1.8 {>c23=d2->c23=d3},[<input_2=r1]!
+vld1.8 {d2-d3},[r1]!
+
+# qhasm: r4[0,1] += x01[0] unsigned* z34[2]; r4[2,3] += x01[1] unsigned* z34[3]
+# asm 1: vmlal.u32 <r4=reg128#16,<x01=reg128#9%bot,<z34=reg128#6%top
+# asm 2: vmlal.u32 <r4=q15,<x01=d16,<z34=d11
+vmlal.u32 q15,d16,d11
+
+# qhasm: ptr = &z12_stack
+# asm 1: lea >ptr=int32#3,<z12_stack=stack128#8
+# asm 2: lea >ptr=r2,<z12_stack=[sp,#112]
+add r2,sp,#112
+
+# qhasm: z12 aligned= mem128[ptr]
+# asm 1: vld1.8 {>z12=reg128#3%bot->z12=reg128#3%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>z12=d4->z12=d5},[<ptr=r2,: 128]
+vld1.8 {d4-d5},[r2,: 128]
+
+# qhasm: r4[0,1] += x01[2] unsigned* z34[0]; r4[2,3] += x01[3] unsigned* z34[1]
+# asm 1: vmlal.u32 <r4=reg128#16,<x01=reg128#9%top,<z34=reg128#6%bot
+# asm 2: vmlal.u32 <r4=q15,<x01=d17,<z34=d10
+vmlal.u32 q15,d17,d10
+
+# qhasm: ptr = &z0_stack
+# asm 1: lea >ptr=int32#3,<z0_stack=stack128#7
+# asm 2: lea >ptr=r2,<z0_stack=[sp,#96]
+add r2,sp,#96
+
+# qhasm: z0 aligned= mem128[ptr]
+# asm 1: vld1.8 {>z0=reg128#4%bot->z0=reg128#4%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>z0=d6->z0=d7},[<ptr=r2,: 128]
+vld1.8 {d6-d7},[r2,: 128]
+
+# qhasm: r4[0,1] += x23[0] unsigned* z12[2]; r4[2,3] += x23[1] unsigned* z12[3]
+# asm 1: vmlal.u32 <r4=reg128#16,<x23=reg128#10%bot,<z12=reg128#3%top
+# asm 2: vmlal.u32 <r4=q15,<x23=d18,<z12=d5
+vmlal.u32 q15,d18,d5
+
+# qhasm: c01 c23 = c01[0]c01[1]c01[2]c23[2]c23[0]c23[1]c01[3]c23[3]
+# asm 1: vtrn.32 <c01=reg128#1%top,<c23=reg128#2%top
+# asm 2: vtrn.32 <c01=d1,<c23=d3
+vtrn.32 d1,d3
+
+# qhasm: r4[0,1] += x23[2] unsigned* z12[0]; r4[2,3] += x23[3] unsigned* z12[1]
+# asm 1: vmlal.u32 <r4=reg128#16,<x23=reg128#10%top,<z12=reg128#3%bot
+# asm 2: vmlal.u32 <r4=q15,<x23=d19,<z12=d4
+vmlal.u32 q15,d19,d4
+
+# qhasm: r4[0,1] += x4[0] unsigned* z0[0]; r4[2,3] += x4[1] unsigned* z0[1]
+# asm 1: vmlal.u32 <r4=reg128#16,<x4=reg128#11%bot,<z0=reg128#4%bot
+# asm 2: vmlal.u32 <r4=q15,<x4=d20,<z0=d6
+vmlal.u32 q15,d20,d6
+
+# qhasm: r3[0,1] = c23[2]<<18; r3[2,3] = c23[3]<<18
+# asm 1: vshll.u32 >r3=reg128#5,<c23=reg128#2%top,#18
+# asm 2: vshll.u32 >r3=q4,<c23=d3,#18
+vshll.u32 q4,d3,#18
+
+# qhasm: c01 c23 = c01[0]c23[0]c01[2]c01[3]c01[1]c23[1]c23[2]c23[3]
+# asm 1: vtrn.32 <c01=reg128#1%bot,<c23=reg128#2%bot
+# asm 2: vtrn.32 <c01=d0,<c23=d2
+vtrn.32 d0,d2
+
+# qhasm: r3[0,1] += x01[0] unsigned* z34[0]; r3[2,3] += x01[1] unsigned* z34[1]
+# asm 1: vmlal.u32 <r3=reg128#5,<x01=reg128#9%bot,<z34=reg128#6%bot
+# asm 2: vmlal.u32 <r3=q4,<x01=d16,<z34=d10
+vmlal.u32 q4,d16,d10
+
+# qhasm: r3[0,1] += x01[2] unsigned* z12[2]; r3[2,3] += x01[3] unsigned* z12[3]
+# asm 1: vmlal.u32 <r3=reg128#5,<x01=reg128#9%top,<z12=reg128#3%top
+# asm 2: vmlal.u32 <r3=q4,<x01=d17,<z12=d5
+vmlal.u32 q4,d17,d5
+
+# qhasm: r0 = r0[1]c01[0]r0[2,3]
+# asm 1: vext.32 <r0=reg128#8%bot,<r0=reg128#8%bot,<c01=reg128#1%bot,#1
+# asm 2: vext.32 <r0=d14,<r0=d14,<c01=d0,#1
+vext.32 d14,d14,d0,#1
+
+# qhasm: r3[0,1] += x23[0] unsigned* z12[0]; r3[2,3] += x23[1] unsigned* z12[1]
+# asm 1: vmlal.u32 <r3=reg128#5,<x23=reg128#10%bot,<z12=reg128#3%bot
+# asm 2: vmlal.u32 <r3=q4,<x23=d18,<z12=d4
+vmlal.u32 q4,d18,d4
+
+# qhasm: input_2 -= 64
+# asm 1: sub >input_2=int32#2,<input_2=int32#2,#64
+# asm 2: sub >input_2=r1,<input_2=r1,#64
+sub r1,r1,#64
+
+# qhasm: r3[0,1] += x23[2] unsigned* z0[0]; r3[2,3] += x23[3] unsigned* z0[1]
+# asm 1: vmlal.u32 <r3=reg128#5,<x23=reg128#10%top,<z0=reg128#4%bot
+# asm 2: vmlal.u32 <r3=q4,<x23=d19,<z0=d6
+vmlal.u32 q4,d19,d6
+
+# qhasm: ptr = &5z34_stack
+# asm 1: lea >ptr=int32#3,<5z34_stack=stack128#11
+# asm 2: lea >ptr=r2,<5z34_stack=[sp,#160]
+add r2,sp,#160
+
+# qhasm: 5z34 aligned= mem128[ptr]
+# asm 1: vld1.8 {>5z34=reg128#6%bot->5z34=reg128#6%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>5z34=d10->5z34=d11},[<ptr=r2,: 128]
+vld1.8 {d10-d11},[r2,: 128]
+
+# qhasm: r3[0,1] += x4[0] unsigned* 5z34[2]; r3[2,3] += x4[1] unsigned* 5z34[3]
+# asm 1: vmlal.u32 <r3=reg128#5,<x4=reg128#11%bot,<5z34=reg128#6%top
+# asm 2: vmlal.u32 <r3=q4,<x4=d20,<5z34=d11
+vmlal.u32 q4,d20,d11
+
+# qhasm: r0 = r0[1]r0[0]r0[3]r0[2]
+# asm 1: vrev64.i32 >r0=reg128#8,<r0=reg128#8
+# asm 2: vrev64.i32 >r0=q7,<r0=q7
+vrev64.i32 q7,q7
+
+# qhasm: r2[0,1] = c01[2]<<12; r2[2,3] = c01[3]<<12
+# asm 1: vshll.u32 >r2=reg128#14,<c01=reg128#1%top,#12
+# asm 2: vshll.u32 >r2=q13,<c01=d1,#12
+vshll.u32 q13,d1,#12
+
+# qhasm: d01 = mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>d01=reg128#12%bot->d01=reg128#12%top},[<input_2=int32#2]!
+# asm 2: vld1.8 {>d01=d22->d01=d23},[<input_2=r1]!
+vld1.8 {d22-d23},[r1]!
+
+# qhasm: r2[0,1] += x01[0] unsigned* z12[2]; r2[2,3] += x01[1] unsigned* z12[3]
+# asm 1: vmlal.u32 <r2=reg128#14,<x01=reg128#9%bot,<z12=reg128#3%top
+# asm 2: vmlal.u32 <r2=q13,<x01=d16,<z12=d5
+vmlal.u32 q13,d16,d5
+
+# qhasm: r2[0,1] += x01[2] unsigned* z12[0]; r2[2,3] += x01[3] unsigned* z12[1]
+# asm 1: vmlal.u32 <r2=reg128#14,<x01=reg128#9%top,<z12=reg128#3%bot
+# asm 2: vmlal.u32 <r2=q13,<x01=d17,<z12=d4
+vmlal.u32 q13,d17,d4
+
+# qhasm: r2[0,1] += x23[0] unsigned* z0[0]; r2[2,3] += x23[1] unsigned* z0[1]
+# asm 1: vmlal.u32 <r2=reg128#14,<x23=reg128#10%bot,<z0=reg128#4%bot
+# asm 2: vmlal.u32 <r2=q13,<x23=d18,<z0=d6
+vmlal.u32 q13,d18,d6
+
+# qhasm: r2[0,1] += x23[2] unsigned* 5z34[2]; r2[2,3] += x23[3] unsigned* 5z34[3]
+# asm 1: vmlal.u32 <r2=reg128#14,<x23=reg128#10%top,<5z34=reg128#6%top
+# asm 2: vmlal.u32 <r2=q13,<x23=d19,<5z34=d11
+vmlal.u32 q13,d19,d11
+
+# qhasm: r2[0,1] += x4[0] unsigned* 5z34[0]; r2[2,3] += x4[1] unsigned* 5z34[1]
+# asm 1: vmlal.u32 <r2=reg128#14,<x4=reg128#11%bot,<5z34=reg128#6%bot
+# asm 2: vmlal.u32 <r2=q13,<x4=d20,<5z34=d10
+vmlal.u32 q13,d20,d10
+
+# qhasm: r0 = r0[0,1]c01[1]r0[2]
+# asm 1: vext.32 <r0=reg128#8%top,<c01=reg128#1%bot,<r0=reg128#8%top,#1
+# asm 2: vext.32 <r0=d15,<c01=d0,<r0=d15,#1
+vext.32 d15,d0,d15,#1
+
+# qhasm: r1[0,1] = c23[0]<<6; r1[2,3] = c23[1]<<6
+# asm 1: vshll.u32 >r1=reg128#15,<c23=reg128#2%bot,#6
+# asm 2: vshll.u32 >r1=q14,<c23=d2,#6
+vshll.u32 q14,d2,#6
+
+# qhasm: r1[0,1] += x01[0] unsigned* z12[0]; r1[2,3] += x01[1] unsigned* z12[1]
+# asm 1: vmlal.u32 <r1=reg128#15,<x01=reg128#9%bot,<z12=reg128#3%bot
+# asm 2: vmlal.u32 <r1=q14,<x01=d16,<z12=d4
+vmlal.u32 q14,d16,d4
+
+# qhasm: r1[0,1] += x01[2] unsigned* z0[0]; r1[2,3] += x01[3] unsigned* z0[1]
+# asm 1: vmlal.u32 <r1=reg128#15,<x01=reg128#9%top,<z0=reg128#4%bot
+# asm 2: vmlal.u32 <r1=q14,<x01=d17,<z0=d6
+vmlal.u32 q14,d17,d6
+
+# qhasm: r1[0,1] += x23[0] unsigned* 5z34[2]; r1[2,3] += x23[1] unsigned* 5z34[3]
+# asm 1: vmlal.u32 <r1=reg128#15,<x23=reg128#10%bot,<5z34=reg128#6%top
+# asm 2: vmlal.u32 <r1=q14,<x23=d18,<5z34=d11
+vmlal.u32 q14,d18,d11
+
+# qhasm: r1[0,1] += x23[2] unsigned* 5z34[0]; r1[2,3] += x23[3] unsigned* 5z34[1]
+# asm 1: vmlal.u32 <r1=reg128#15,<x23=reg128#10%top,<5z34=reg128#6%bot
+# asm 2: vmlal.u32 <r1=q14,<x23=d19,<5z34=d10
+vmlal.u32 q14,d19,d10
+
+# qhasm: ptr = &5z12_stack
+# asm 1: lea >ptr=int32#3,<5z12_stack=stack128#10
+# asm 2: lea >ptr=r2,<5z12_stack=[sp,#144]
+add r2,sp,#144
+
+# qhasm: 5z12 aligned= mem128[ptr]
+# asm 1: vld1.8 {>5z12=reg128#1%bot->5z12=reg128#1%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>5z12=d0->5z12=d1},[<ptr=r2,: 128]
+vld1.8 {d0-d1},[r2,: 128]
+
+# qhasm: r1[0,1] += x4[0] unsigned* 5z12[2]; r1[2,3] += x4[1] unsigned* 5z12[3]
+# asm 1: vmlal.u32 <r1=reg128#15,<x4=reg128#11%bot,<5z12=reg128#1%top
+# asm 2: vmlal.u32 <r1=q14,<x4=d20,<5z12=d1
+vmlal.u32 q14,d20,d1
+
+# qhasm: d23 = mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>d23=reg128#2%bot->d23=reg128#2%top},[<input_2=int32#2]!
+# asm 2: vld1.8 {>d23=d2->d23=d3},[<input_2=r1]!
+vld1.8 {d2-d3},[r1]!
+
+# qhasm: input_2 += 32
+# asm 1: add >input_2=int32#2,<input_2=int32#2,#32
+# asm 2: add >input_2=r1,<input_2=r1,#32
+add r1,r1,#32
+
+# qhasm: r0[0,1] += x4[0] unsigned* 5z12[0]; r0[2,3] += x4[1] unsigned* 5z12[1]
+# asm 1: vmlal.u32 <r0=reg128#8,<x4=reg128#11%bot,<5z12=reg128#1%bot
+# asm 2: vmlal.u32 <r0=q7,<x4=d20,<5z12=d0
+vmlal.u32 q7,d20,d0
+
+# qhasm: r0[0,1] += x23[0] unsigned* 5z34[0]; r0[2,3] += x23[1] unsigned* 5z34[1]
+# asm 1: vmlal.u32 <r0=reg128#8,<x23=reg128#10%bot,<5z34=reg128#6%bot
+# asm 2: vmlal.u32 <r0=q7,<x23=d18,<5z34=d10
+vmlal.u32 q7,d18,d10
+
+# qhasm: d01 d23 = d01[0] d23[0] d01[1] d23[1]
+# asm 1: vswp <d23=reg128#2%bot,<d01=reg128#12%top
+# asm 2: vswp <d23=d2,<d01=d23
+vswp d2,d23
+
+# qhasm: r0[0,1] += x23[2] unsigned* 5z12[2]; r0[2,3] += x23[3] unsigned* 5z12[3]
+# asm 1: vmlal.u32 <r0=reg128#8,<x23=reg128#10%top,<5z12=reg128#1%top
+# asm 2: vmlal.u32 <r0=q7,<x23=d19,<5z12=d1
+vmlal.u32 q7,d19,d1
+
+# qhasm: r0[0,1] += x01[0] unsigned* z0[0]; r0[2,3] += x01[1] unsigned* z0[1]
+# asm 1: vmlal.u32 <r0=reg128#8,<x01=reg128#9%bot,<z0=reg128#4%bot
+# asm 2: vmlal.u32 <r0=q7,<x01=d16,<z0=d6
+vmlal.u32 q7,d16,d6
+
+# qhasm: new mid
+
+# qhasm: 2x v4 = d23 unsigned>> 40
+# asm 1: vshr.u64 >v4=reg128#4,<d23=reg128#2,#40
+# asm 2: vshr.u64 >v4=q3,<d23=q1,#40
+vshr.u64 q3,q1,#40
+
+# qhasm: mid = d01[1]d23[0] mid[2,3]
+# asm 1: vext.32 <mid=reg128#1%bot,<d01=reg128#12%bot,<d23=reg128#2%bot,#1
+# asm 2: vext.32 <mid=d0,<d01=d22,<d23=d2,#1
+vext.32 d0,d22,d2,#1
+
+# qhasm: new v23
+
+# qhasm: v23[2] = d23[0,1] unsigned>> 14; v23[3] = d23[2,3] unsigned>> 14
+# asm 1: vshrn.u64 <v23=reg128#10%top,<d23=reg128#2,#14
+# asm 2: vshrn.u64 <v23=d19,<d23=q1,#14
+vshrn.u64 d19,q1,#14
+
+# qhasm: mid = mid[0,1] d01[3]d23[2]
+# asm 1: vext.32 <mid=reg128#1%top,<d01=reg128#12%top,<d23=reg128#2%top,#1
+# asm 2: vext.32 <mid=d1,<d01=d23,<d23=d3,#1
+vext.32 d1,d23,d3,#1
+
+# qhasm: new v01
+
+# qhasm: v01[2] = d01[0,1] unsigned>> 26; v01[3] = d01[2,3] unsigned>> 26
+# asm 1: vshrn.u64 <v01=reg128#11%top,<d01=reg128#12,#26
+# asm 2: vshrn.u64 <v01=d21,<d01=q11,#26
+vshrn.u64 d21,q11,#26
+
+# qhasm: v01 = d01[1]d01[0] v01[2,3]
+# asm 1: vext.32 <v01=reg128#11%bot,<d01=reg128#12%bot,<d01=reg128#12%bot,#1
+# asm 2: vext.32 <v01=d20,<d01=d22,<d01=d22,#1
+vext.32 d20,d22,d22,#1
+
+# qhasm: r0[0,1] += x01[2] unsigned* 5z34[2]; r0[2,3] += x01[3] unsigned* 5z34[3]
+# asm 1: vmlal.u32 <r0=reg128#8,<x01=reg128#9%top,<5z34=reg128#6%top
+# asm 2: vmlal.u32 <r0=q7,<x01=d17,<5z34=d11
+vmlal.u32 q7,d17,d11
+
+# qhasm: v01 = v01[1]d01[2] v01[2,3]
+# asm 1: vext.32 <v01=reg128#11%bot,<v01=reg128#11%bot,<d01=reg128#12%top,#1
+# asm 2: vext.32 <v01=d20,<v01=d20,<d01=d23,#1
+vext.32 d20,d20,d23,#1
+
+# qhasm: v23[0] = mid[0,1] unsigned>> 20; v23[1] = mid[2,3] unsigned>> 20
+# asm 1: vshrn.u64 <v23=reg128#10%bot,<mid=reg128#1,#20
+# asm 2: vshrn.u64 <v23=d18,<mid=q0,#20
+vshrn.u64 d18,q0,#20
+
+# qhasm: v4 = v4[0]v4[2]v4[1]v4[3]
+# asm 1: vtrn.32 <v4=reg128#4%bot,<v4=reg128#4%top
+# asm 2: vtrn.32 <v4=d6,<v4=d7
+vtrn.32 d6,d7
+
+# qhasm: 4x v01 &= 0x03ffffff
+# asm 1: vand.i32 <v01=reg128#11,#0x03ffffff
+# asm 2: vand.i32 <v01=q10,#0x03ffffff
+vand.i32 q10,#0x03ffffff
+
+# qhasm: ptr = &y34_stack
+# asm 1: lea >ptr=int32#3,<y34_stack=stack128#4
+# asm 2: lea >ptr=r2,<y34_stack=[sp,#48]
+add r2,sp,#48
+
+# qhasm: y34 aligned= mem128[ptr]
+# asm 1: vld1.8 {>y34=reg128#3%bot->y34=reg128#3%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>y34=d4->y34=d5},[<ptr=r2,: 128]
+vld1.8 {d4-d5},[r2,: 128]
+
+# qhasm: 4x v23 &= 0x03ffffff
+# asm 1: vand.i32 <v23=reg128#10,#0x03ffffff
+# asm 2: vand.i32 <v23=q9,#0x03ffffff
+vand.i32 q9,#0x03ffffff
+
+# qhasm: ptr = &y12_stack
+# asm 1: lea >ptr=int32#3,<y12_stack=stack128#3
+# asm 2: lea >ptr=r2,<y12_stack=[sp,#32]
+add r2,sp,#32
+
+# qhasm: y12 aligned= mem128[ptr]
+# asm 1: vld1.8 {>y12=reg128#2%bot->y12=reg128#2%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>y12=d2->y12=d3},[<ptr=r2,: 128]
+vld1.8 {d2-d3},[r2,: 128]
+
+# qhasm: 4x v4 |= 0x01000000
+# asm 1: vorr.i32 <v4=reg128#4,#0x01000000
+# asm 2: vorr.i32 <v4=q3,#0x01000000
+vorr.i32 q3,#0x01000000
+
+# qhasm: ptr = &y0_stack
+# asm 1: lea >ptr=int32#3,<y0_stack=stack128#2
+# asm 2: lea >ptr=r2,<y0_stack=[sp,#16]
+add r2,sp,#16
+
+# qhasm: y0 aligned= mem128[ptr]
+# asm 1: vld1.8 {>y0=reg128#1%bot->y0=reg128#1%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>y0=d0->y0=d1},[<ptr=r2,: 128]
+vld1.8 {d0-d1},[r2,: 128]
+
+# qhasm: r4[0,1] += v01[0] unsigned* y34[2]; r4[2,3] += v01[1] unsigned* y34[3]
+# asm 1: vmlal.u32 <r4=reg128#16,<v01=reg128#11%bot,<y34=reg128#3%top
+# asm 2: vmlal.u32 <r4=q15,<v01=d20,<y34=d5
+vmlal.u32 q15,d20,d5
+
+# qhasm: r4[0,1] += v01[2] unsigned* y34[0]; r4[2,3] += v01[3] unsigned* y34[1]
+# asm 1: vmlal.u32 <r4=reg128#16,<v01=reg128#11%top,<y34=reg128#3%bot
+# asm 2: vmlal.u32 <r4=q15,<v01=d21,<y34=d4
+vmlal.u32 q15,d21,d4
+
+# qhasm: r4[0,1] += v23[0] unsigned* y12[2]; r4[2,3] += v23[1] unsigned* y12[3]
+# asm 1: vmlal.u32 <r4=reg128#16,<v23=reg128#10%bot,<y12=reg128#2%top
+# asm 2: vmlal.u32 <r4=q15,<v23=d18,<y12=d3
+vmlal.u32 q15,d18,d3
+
+# qhasm: r4[0,1] += v23[2] unsigned* y12[0]; r4[2,3] += v23[3] unsigned* y12[1]
+# asm 1: vmlal.u32 <r4=reg128#16,<v23=reg128#10%top,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r4=q15,<v23=d19,<y12=d2
+vmlal.u32 q15,d19,d2
+
+# qhasm: r4[0,1] += v4[0] unsigned* y0[0]; r4[2,3] += v4[1] unsigned* y0[1]
+# asm 1: vmlal.u32 <r4=reg128#16,<v4=reg128#4%bot,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r4=q15,<v4=d6,<y0=d0
+vmlal.u32 q15,d6,d0
+
+# qhasm: ptr = &5y34_stack
+# asm 1: lea >ptr=int32#3,<5y34_stack=stack128#6
+# asm 2: lea >ptr=r2,<5y34_stack=[sp,#80]
+add r2,sp,#80
+
+# qhasm: 5y34 aligned= mem128[ptr]
+# asm 1: vld1.8 {>5y34=reg128#13%bot->5y34=reg128#13%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>5y34=d24->5y34=d25},[<ptr=r2,: 128]
+vld1.8 {d24-d25},[r2,: 128]
+
+# qhasm: r3[0,1] += v01[0] unsigned* y34[0]; r3[2,3] += v01[1] unsigned* y34[1]
+# asm 1: vmlal.u32 <r3=reg128#5,<v01=reg128#11%bot,<y34=reg128#3%bot
+# asm 2: vmlal.u32 <r3=q4,<v01=d20,<y34=d4
+vmlal.u32 q4,d20,d4
+
+# qhasm: r3[0,1] += v01[2] unsigned* y12[2]; r3[2,3] += v01[3] unsigned* y12[3]
+# asm 1: vmlal.u32 <r3=reg128#5,<v01=reg128#11%top,<y12=reg128#2%top
+# asm 2: vmlal.u32 <r3=q4,<v01=d21,<y12=d3
+vmlal.u32 q4,d21,d3
+
+# qhasm: r3[0,1] += v23[0] unsigned* y12[0]; r3[2,3] += v23[1] unsigned* y12[1]
+# asm 1: vmlal.u32 <r3=reg128#5,<v23=reg128#10%bot,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r3=q4,<v23=d18,<y12=d2
+vmlal.u32 q4,d18,d2
+
+# qhasm: r3[0,1] += v23[2] unsigned* y0[0]; r3[2,3] += v23[3] unsigned* y0[1]
+# asm 1: vmlal.u32 <r3=reg128#5,<v23=reg128#10%top,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r3=q4,<v23=d19,<y0=d0
+vmlal.u32 q4,d19,d0
+
+# qhasm: r3[0,1] += v4[0] unsigned* 5y34[2]; r3[2,3] += v4[1] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r3=reg128#5,<v4=reg128#4%bot,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r3=q4,<v4=d6,<5y34=d25
+vmlal.u32 q4,d6,d25
+
+# qhasm: ptr = &5y12_stack
+# asm 1: lea >ptr=int32#3,<5y12_stack=stack128#5
+# asm 2: lea >ptr=r2,<5y12_stack=[sp,#64]
+add r2,sp,#64
+
+# qhasm: 5y12 aligned= mem128[ptr]
+# asm 1: vld1.8 {>5y12=reg128#12%bot->5y12=reg128#12%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>5y12=d22->5y12=d23},[<ptr=r2,: 128]
+vld1.8 {d22-d23},[r2,: 128]
+
+# qhasm: r0[0,1] += v4[0] unsigned* 5y12[0]; r0[2,3] += v4[1] unsigned* 5y12[1]
+# asm 1: vmlal.u32 <r0=reg128#8,<v4=reg128#4%bot,<5y12=reg128#12%bot
+# asm 2: vmlal.u32 <r0=q7,<v4=d6,<5y12=d22
+vmlal.u32 q7,d6,d22
+
+# qhasm: r0[0,1] += v23[0] unsigned* 5y34[0]; r0[2,3] += v23[1] unsigned* 5y34[1]
+# asm 1: vmlal.u32 <r0=reg128#8,<v23=reg128#10%bot,<5y34=reg128#13%bot
+# asm 2: vmlal.u32 <r0=q7,<v23=d18,<5y34=d24
+vmlal.u32 q7,d18,d24
+
+# qhasm: r0[0,1] += v23[2] unsigned* 5y12[2]; r0[2,3] += v23[3] unsigned* 5y12[3]
+# asm 1: vmlal.u32 <r0=reg128#8,<v23=reg128#10%top,<5y12=reg128#12%top
+# asm 2: vmlal.u32 <r0=q7,<v23=d19,<5y12=d23
+vmlal.u32 q7,d19,d23
+
+# qhasm: r0[0,1] += v01[0] unsigned* y0[0]; r0[2,3] += v01[1] unsigned* y0[1]
+# asm 1: vmlal.u32 <r0=reg128#8,<v01=reg128#11%bot,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r0=q7,<v01=d20,<y0=d0
+vmlal.u32 q7,d20,d0
+
+# qhasm: r0[0,1] += v01[2] unsigned* 5y34[2]; r0[2,3] += v01[3] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r0=reg128#8,<v01=reg128#11%top,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r0=q7,<v01=d21,<5y34=d25
+vmlal.u32 q7,d21,d25
+
+# qhasm: r1[0,1] += v01[0] unsigned* y12[0]; r1[2,3] += v01[1] unsigned* y12[1]
+# asm 1: vmlal.u32 <r1=reg128#15,<v01=reg128#11%bot,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r1=q14,<v01=d20,<y12=d2
+vmlal.u32 q14,d20,d2
+
+# qhasm: r1[0,1] += v01[2] unsigned* y0[0]; r1[2,3] += v01[3] unsigned* y0[1]
+# asm 1: vmlal.u32 <r1=reg128#15,<v01=reg128#11%top,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r1=q14,<v01=d21,<y0=d0
+vmlal.u32 q14,d21,d0
+
+# qhasm: r1[0,1] += v23[0] unsigned* 5y34[2]; r1[2,3] += v23[1] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r1=reg128#15,<v23=reg128#10%bot,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r1=q14,<v23=d18,<5y34=d25
+vmlal.u32 q14,d18,d25
+
+# qhasm: r1[0,1] += v23[2] unsigned* 5y34[0]; r1[2,3] += v23[3] unsigned* 5y34[1]
+# asm 1: vmlal.u32 <r1=reg128#15,<v23=reg128#10%top,<5y34=reg128#13%bot
+# asm 2: vmlal.u32 <r1=q14,<v23=d19,<5y34=d24
+vmlal.u32 q14,d19,d24
+
+# qhasm: r1[0,1] += v4[0] unsigned* 5y12[2]; r1[2,3] += v4[1] unsigned* 5y12[3]
+# asm 1: vmlal.u32 <r1=reg128#15,<v4=reg128#4%bot,<5y12=reg128#12%top
+# asm 2: vmlal.u32 <r1=q14,<v4=d6,<5y12=d23
+vmlal.u32 q14,d6,d23
+
+# qhasm: r2[0,1] += v01[0] unsigned* y12[2]; r2[2,3] += v01[1] unsigned* y12[3]
+# asm 1: vmlal.u32 <r2=reg128#14,<v01=reg128#11%bot,<y12=reg128#2%top
+# asm 2: vmlal.u32 <r2=q13,<v01=d20,<y12=d3
+vmlal.u32 q13,d20,d3
+
+# qhasm: r2[0,1] += v01[2] unsigned* y12[0]; r2[2,3] += v01[3] unsigned* y12[1]
+# asm 1: vmlal.u32 <r2=reg128#14,<v01=reg128#11%top,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r2=q13,<v01=d21,<y12=d2
+vmlal.u32 q13,d21,d2
+
+# qhasm: r2[0,1] += v23[0] unsigned* y0[0]; r2[2,3] += v23[1] unsigned* y0[1]
+# asm 1: vmlal.u32 <r2=reg128#14,<v23=reg128#10%bot,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r2=q13,<v23=d18,<y0=d0
+vmlal.u32 q13,d18,d0
+
+# qhasm: r2[0,1] += v23[2] unsigned* 5y34[2]; r2[2,3] += v23[3] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r2=reg128#14,<v23=reg128#10%top,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r2=q13,<v23=d19,<5y34=d25
+vmlal.u32 q13,d19,d25
+
+# qhasm: r2[0,1] += v4[0] unsigned* 5y34[0]; r2[2,3] += v4[1] unsigned* 5y34[1]
+# asm 1: vmlal.u32 <r2=reg128#14,<v4=reg128#4%bot,<5y34=reg128#13%bot
+# asm 2: vmlal.u32 <r2=q13,<v4=d6,<5y34=d24
+vmlal.u32 q13,d6,d24
+
+# qhasm: ptr = &two24
+# asm 1: lea >ptr=int32#3,<two24=stack128#1
+# asm 2: lea >ptr=r2,<two24=[sp,#0]
+add r2,sp,#0
+
+# qhasm: 2x t1 = r0 unsigned>> 26
+# asm 1: vshr.u64 >t1=reg128#4,<r0=reg128#8,#26
+# asm 2: vshr.u64 >t1=q3,<r0=q7,#26
+vshr.u64 q3,q7,#26
+
+# qhasm: len -= 64
+# asm 1: sub >len=int32#4,<len=int32#4,#64
+# asm 2: sub >len=r3,<len=r3,#64
+sub r3,r3,#64
+
+# qhasm: r0 &= mask
+# asm 1: vand >r0=reg128#6,<r0=reg128#8,<mask=reg128#7
+# asm 2: vand >r0=q5,<r0=q7,<mask=q6
+vand q5,q7,q6
+
+# qhasm: 2x r1 += t1
+# asm 1: vadd.i64 >r1=reg128#4,<r1=reg128#15,<t1=reg128#4
+# asm 2: vadd.i64 >r1=q3,<r1=q14,<t1=q3
+vadd.i64 q3,q14,q3
+
+# qhasm: 2x t4 = r3 unsigned>> 26
+# asm 1: vshr.u64 >t4=reg128#8,<r3=reg128#5,#26
+# asm 2: vshr.u64 >t4=q7,<r3=q4,#26
+vshr.u64 q7,q4,#26
+
+# qhasm: r3 &= mask
+# asm 1: vand >r3=reg128#5,<r3=reg128#5,<mask=reg128#7
+# asm 2: vand >r3=q4,<r3=q4,<mask=q6
+vand q4,q4,q6
+
+# qhasm: 2x x4 = r4 + t4
+# asm 1: vadd.i64 >x4=reg128#8,<r4=reg128#16,<t4=reg128#8
+# asm 2: vadd.i64 >x4=q7,<r4=q15,<t4=q7
+vadd.i64 q7,q15,q7
+
+# qhasm: r4 aligned= mem128[ptr]
+# asm 1: vld1.8 {>r4=reg128#16%bot->r4=reg128#16%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>r4=d30->r4=d31},[<ptr=r2,: 128]
+vld1.8 {d30-d31},[r2,: 128]
+
+# qhasm: 2x t2 = r1 unsigned>> 26
+# asm 1: vshr.u64 >t2=reg128#9,<r1=reg128#4,#26
+# asm 2: vshr.u64 >t2=q8,<r1=q3,#26
+vshr.u64 q8,q3,#26
+
+# qhasm: r1 &= mask
+# asm 1: vand >r1=reg128#4,<r1=reg128#4,<mask=reg128#7
+# asm 2: vand >r1=q3,<r1=q3,<mask=q6
+vand q3,q3,q6
+
+# qhasm: 2x t0 = x4 unsigned>> 26
+# asm 1: vshr.u64 >t0=reg128#10,<x4=reg128#8,#26
+# asm 2: vshr.u64 >t0=q9,<x4=q7,#26
+vshr.u64 q9,q7,#26
+
+# qhasm: 2x r2 += t2
+# asm 1: vadd.i64 >r2=reg128#9,<r2=reg128#14,<t2=reg128#9
+# asm 2: vadd.i64 >r2=q8,<r2=q13,<t2=q8
+vadd.i64 q8,q13,q8
+
+# qhasm: x4 &= mask
+# asm 1: vand >x4=reg128#11,<x4=reg128#8,<mask=reg128#7
+# asm 2: vand >x4=q10,<x4=q7,<mask=q6
+vand q10,q7,q6
+
+# qhasm: 2x x01 = r0 + t0
+# asm 1: vadd.i64 >x01=reg128#6,<r0=reg128#6,<t0=reg128#10
+# asm 2: vadd.i64 >x01=q5,<r0=q5,<t0=q9
+vadd.i64 q5,q5,q9
+
+# qhasm: r0 aligned= mem128[ptr]
+# asm 1: vld1.8 {>r0=reg128#8%bot->r0=reg128#8%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>r0=d14->r0=d15},[<ptr=r2,: 128]
+vld1.8 {d14-d15},[r2,: 128]
+
+# qhasm: ptr = &z34_stack
+# asm 1: lea >ptr=int32#3,<z34_stack=stack128#9
+# asm 2: lea >ptr=r2,<z34_stack=[sp,#128]
+add r2,sp,#128
+
+# qhasm: 2x t0 <<= 2
+# asm 1: vshl.i64 >t0=reg128#10,<t0=reg128#10,#2
+# asm 2: vshl.i64 >t0=q9,<t0=q9,#2
+vshl.i64 q9,q9,#2
+
+# qhasm: 2x t3 = r2 unsigned>> 26
+# asm 1: vshr.u64 >t3=reg128#14,<r2=reg128#9,#26
+# asm 2: vshr.u64 >t3=q13,<r2=q8,#26
+vshr.u64 q13,q8,#26
+
+# qhasm: 2x x01 += t0
+# asm 1: vadd.i64 >x01=reg128#15,<x01=reg128#6,<t0=reg128#10
+# asm 2: vadd.i64 >x01=q14,<x01=q5,<t0=q9
+vadd.i64 q14,q5,q9
+
+# qhasm: z34 aligned= mem128[ptr]
+# asm 1: vld1.8 {>z34=reg128#6%bot->z34=reg128#6%top},[<ptr=int32#3,: 128]
+# asm 2: vld1.8 {>z34=d10->z34=d11},[<ptr=r2,: 128]
+vld1.8 {d10-d11},[r2,: 128]
+
+# qhasm: x23 = r2 & mask
+# asm 1: vand >x23=reg128#10,<r2=reg128#9,<mask=reg128#7
+# asm 2: vand >x23=q9,<r2=q8,<mask=q6
+vand q9,q8,q6
+
+# qhasm: 2x r3 += t3
+# asm 1: vadd.i64 >r3=reg128#5,<r3=reg128#5,<t3=reg128#14
+# asm 2: vadd.i64 >r3=q4,<r3=q4,<t3=q13
+vadd.i64 q4,q4,q13
+
+# qhasm: input_2 += 32
+# asm 1: add >input_2=int32#2,<input_2=int32#2,#32
+# asm 2: add >input_2=r1,<input_2=r1,#32
+add r1,r1,#32
+
+# qhasm: 2x t1 = x01 unsigned>> 26
+# asm 1: vshr.u64 >t1=reg128#14,<x01=reg128#15,#26
+# asm 2: vshr.u64 >t1=q13,<x01=q14,#26
+vshr.u64 q13,q14,#26
+
+# qhasm: x23 = x23[0,2,1,3]
+# asm 1: vtrn.32 <x23=reg128#10%bot,<x23=reg128#10%top
+# asm 2: vtrn.32 <x23=d18,<x23=d19
+vtrn.32 d18,d19
+
+# qhasm: x01 = x01 & mask
+# asm 1: vand >x01=reg128#9,<x01=reg128#15,<mask=reg128#7
+# asm 2: vand >x01=q8,<x01=q14,<mask=q6
+vand q8,q14,q6
+
+# qhasm: 2x r1 += t1
+# asm 1: vadd.i64 >r1=reg128#4,<r1=reg128#4,<t1=reg128#14
+# asm 2: vadd.i64 >r1=q3,<r1=q3,<t1=q13
+vadd.i64 q3,q3,q13
+
+# qhasm: 2x t4 = r3 unsigned>> 26
+# asm 1: vshr.u64 >t4=reg128#14,<r3=reg128#5,#26
+# asm 2: vshr.u64 >t4=q13,<r3=q4,#26
+vshr.u64 q13,q4,#26
+
+# qhasm: x01 = x01[0,2,1,3]
+# asm 1: vtrn.32 <x01=reg128#9%bot,<x01=reg128#9%top
+# asm 2: vtrn.32 <x01=d16,<x01=d17
+vtrn.32 d16,d17
+
+# qhasm: r3 &= mask
+# asm 1: vand >r3=reg128#5,<r3=reg128#5,<mask=reg128#7
+# asm 2: vand >r3=q4,<r3=q4,<mask=q6
+vand q4,q4,q6
+
+# qhasm: r1 = r1[0,2,1,3]
+# asm 1: vtrn.32 <r1=reg128#4%bot,<r1=reg128#4%top
+# asm 2: vtrn.32 <r1=d6,<r1=d7
+vtrn.32 d6,d7
+
+# qhasm: 2x x4 += t4
+# asm 1: vadd.i64 >x4=reg128#11,<x4=reg128#11,<t4=reg128#14
+# asm 2: vadd.i64 >x4=q10,<x4=q10,<t4=q13
+vadd.i64 q10,q10,q13
+
+# qhasm: r3 = r3[0,2,1,3]
+# asm 1: vtrn.32 <r3=reg128#5%bot,<r3=reg128#5%top
+# asm 2: vtrn.32 <r3=d8,<r3=d9
+vtrn.32 d8,d9
+
+# qhasm: x01 = x01[0,1] r1[0,1]
+# asm 1: vext.32 <x01=reg128#9%top,<r1=reg128#4%bot,<r1=reg128#4%bot,#0
+# asm 2: vext.32 <x01=d17,<r1=d6,<r1=d6,#0
+vext.32 d17,d6,d6,#0
+
+# qhasm: x23 = x23[0,1] r3[0,1]
+# asm 1: vext.32 <x23=reg128#10%top,<r3=reg128#5%bot,<r3=reg128#5%bot,#0
+# asm 2: vext.32 <x23=d19,<r3=d8,<r3=d8,#0
+vext.32 d19,d8,d8,#0
+
+# qhasm: x4 = x4[0,2,1,3]
+# asm 1: vtrn.32 <x4=reg128#11%bot,<x4=reg128#11%top
+# asm 2: vtrn.32 <x4=d20,<x4=d21
+vtrn.32 d20,d21
+
+# qhasm: unsigned>? len - 64
+# asm 1: cmp <len=int32#4,#64
+# asm 2: cmp <len=r3,#64
+cmp r3,#64
+
+# qhasm: goto mainloop2 if unsigned>
+bhi ._mainloop2
+
+# qhasm: input_2 -= 32
+# asm 1: sub >input_2=int32#3,<input_2=int32#2,#32
+# asm 2: sub >input_2=r2,<input_2=r1,#32
+sub r2,r1,#32
+
+# qhasm: below64bytes:
+._below64bytes:
+
+# qhasm: unsigned>? len - 32
+# asm 1: cmp <len=int32#4,#32
+# asm 2: cmp <len=r3,#32
+cmp r3,#32
+
+# qhasm: goto end if !unsigned>
+bls ._end
+
+# qhasm: mainloop:
+._mainloop:
+
+# qhasm: new r0
+
+# qhasm: ptr = &two24
+# asm 1: lea >ptr=int32#2,<two24=stack128#1
+# asm 2: lea >ptr=r1,<two24=[sp,#0]
+add r1,sp,#0
+
+# qhasm: r4 aligned= mem128[ptr]
+# asm 1: vld1.8 {>r4=reg128#5%bot->r4=reg128#5%top},[<ptr=int32#2,: 128]
+# asm 2: vld1.8 {>r4=d8->r4=d9},[<ptr=r1,: 128]
+vld1.8 {d8-d9},[r1,: 128]
+
+# qhasm: u4 aligned= mem128[ptr]
+# asm 1: vld1.8 {>u4=reg128#6%bot->u4=reg128#6%top},[<ptr=int32#2,: 128]
+# asm 2: vld1.8 {>u4=d10->u4=d11},[<ptr=r1,: 128]
+vld1.8 {d10-d11},[r1,: 128]
+
+# qhasm: c01 = mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>c01=reg128#8%bot->c01=reg128#8%top},[<input_2=int32#3]!
+# asm 2: vld1.8 {>c01=d14->c01=d15},[<input_2=r2]!
+vld1.8 {d14-d15},[r2]!
+
+# qhasm: r4[0,1] += x01[0] unsigned* y34[2]; r4[2,3] += x01[1] unsigned* y34[3]
+# asm 1: vmlal.u32 <r4=reg128#5,<x01=reg128#9%bot,<y34=reg128#3%top
+# asm 2: vmlal.u32 <r4=q4,<x01=d16,<y34=d5
+vmlal.u32 q4,d16,d5
+
+# qhasm: c23 = mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>c23=reg128#14%bot->c23=reg128#14%top},[<input_2=int32#3]!
+# asm 2: vld1.8 {>c23=d26->c23=d27},[<input_2=r2]!
+vld1.8 {d26-d27},[r2]!
+
+# qhasm: r4[0,1] += x01[2] unsigned* y34[0]; r4[2,3] += x01[3] unsigned* y34[1]
+# asm 1: vmlal.u32 <r4=reg128#5,<x01=reg128#9%top,<y34=reg128#3%bot
+# asm 2: vmlal.u32 <r4=q4,<x01=d17,<y34=d4
+vmlal.u32 q4,d17,d4
+
+# qhasm: r0 = u4[1]c01[0]r0[2,3]
+# asm 1: vext.32 <r0=reg128#4%bot,<u4=reg128#6%bot,<c01=reg128#8%bot,#1
+# asm 2: vext.32 <r0=d6,<u4=d10,<c01=d14,#1
+vext.32 d6,d10,d14,#1
+
+# qhasm: r4[0,1] += x23[0] unsigned* y12[2]; r4[2,3] += x23[1] unsigned* y12[3]
+# asm 1: vmlal.u32 <r4=reg128#5,<x23=reg128#10%bot,<y12=reg128#2%top
+# asm 2: vmlal.u32 <r4=q4,<x23=d18,<y12=d3
+vmlal.u32 q4,d18,d3
+
+# qhasm: r0 = r0[0,1]u4[1]c23[0]
+# asm 1: vext.32 <r0=reg128#4%top,<u4=reg128#6%bot,<c23=reg128#14%bot,#1
+# asm 2: vext.32 <r0=d7,<u4=d10,<c23=d26,#1
+vext.32 d7,d10,d26,#1
+
+# qhasm: r4[0,1] += x23[2] unsigned* y12[0]; r4[2,3] += x23[3] unsigned* y12[1]
+# asm 1: vmlal.u32 <r4=reg128#5,<x23=reg128#10%top,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r4=q4,<x23=d19,<y12=d2
+vmlal.u32 q4,d19,d2
+
+# qhasm: r0 = r0[1]r0[0]r0[3]r0[2]
+# asm 1: vrev64.i32 >r0=reg128#4,<r0=reg128#4
+# asm 2: vrev64.i32 >r0=q3,<r0=q3
+vrev64.i32 q3,q3
+
+# qhasm: r4[0,1] += x4[0] unsigned* y0[0]; r4[2,3] += x4[1] unsigned* y0[1]
+# asm 1: vmlal.u32 <r4=reg128#5,<x4=reg128#11%bot,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r4=q4,<x4=d20,<y0=d0
+vmlal.u32 q4,d20,d0
+
+# qhasm: r0[0,1] += x4[0] unsigned* 5y12[0]; r0[2,3] += x4[1] unsigned* 5y12[1]
+# asm 1: vmlal.u32 <r0=reg128#4,<x4=reg128#11%bot,<5y12=reg128#12%bot
+# asm 2: vmlal.u32 <r0=q3,<x4=d20,<5y12=d22
+vmlal.u32 q3,d20,d22
+
+# qhasm: r0[0,1] += x23[0] unsigned* 5y34[0]; r0[2,3] += x23[1] unsigned* 5y34[1]
+# asm 1: vmlal.u32 <r0=reg128#4,<x23=reg128#10%bot,<5y34=reg128#13%bot
+# asm 2: vmlal.u32 <r0=q3,<x23=d18,<5y34=d24
+vmlal.u32 q3,d18,d24
+
+# qhasm: r0[0,1] += x23[2] unsigned* 5y12[2]; r0[2,3] += x23[3] unsigned* 5y12[3]
+# asm 1: vmlal.u32 <r0=reg128#4,<x23=reg128#10%top,<5y12=reg128#12%top
+# asm 2: vmlal.u32 <r0=q3,<x23=d19,<5y12=d23
+vmlal.u32 q3,d19,d23
+
+# qhasm: c01 c23 = c01[0]c23[0]c01[2]c23[2]c01[1]c23[1]c01[3]c23[3]
+# asm 1: vtrn.32 <c01=reg128#8,<c23=reg128#14
+# asm 2: vtrn.32 <c01=q7,<c23=q13
+vtrn.32 q7,q13
+
+# qhasm: r0[0,1] += x01[0] unsigned* y0[0]; r0[2,3] += x01[1] unsigned* y0[1]
+# asm 1: vmlal.u32 <r0=reg128#4,<x01=reg128#9%bot,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r0=q3,<x01=d16,<y0=d0
+vmlal.u32 q3,d16,d0
+
+# qhasm: r3[0,1] = c23[2]<<18; r3[2,3] = c23[3]<<18
+# asm 1: vshll.u32 >r3=reg128#6,<c23=reg128#14%top,#18
+# asm 2: vshll.u32 >r3=q5,<c23=d27,#18
+vshll.u32 q5,d27,#18
+
+# qhasm: r0[0,1] += x01[2] unsigned* 5y34[2]; r0[2,3] += x01[3] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r0=reg128#4,<x01=reg128#9%top,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r0=q3,<x01=d17,<5y34=d25
+vmlal.u32 q3,d17,d25
+
+# qhasm: r3[0,1] += x01[0] unsigned* y34[0]; r3[2,3] += x01[1] unsigned* y34[1]
+# asm 1: vmlal.u32 <r3=reg128#6,<x01=reg128#9%bot,<y34=reg128#3%bot
+# asm 2: vmlal.u32 <r3=q5,<x01=d16,<y34=d4
+vmlal.u32 q5,d16,d4
+
+# qhasm: r3[0,1] += x01[2] unsigned* y12[2]; r3[2,3] += x01[3] unsigned* y12[3]
+# asm 1: vmlal.u32 <r3=reg128#6,<x01=reg128#9%top,<y12=reg128#2%top
+# asm 2: vmlal.u32 <r3=q5,<x01=d17,<y12=d3
+vmlal.u32 q5,d17,d3
+
+# qhasm: r3[0,1] += x23[0] unsigned* y12[0]; r3[2,3] += x23[1] unsigned* y12[1]
+# asm 1: vmlal.u32 <r3=reg128#6,<x23=reg128#10%bot,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r3=q5,<x23=d18,<y12=d2
+vmlal.u32 q5,d18,d2
+
+# qhasm: r3[0,1] += x23[2] unsigned* y0[0]; r3[2,3] += x23[3] unsigned* y0[1]
+# asm 1: vmlal.u32 <r3=reg128#6,<x23=reg128#10%top,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r3=q5,<x23=d19,<y0=d0
+vmlal.u32 q5,d19,d0
+
+# qhasm: r1[0,1] = c23[0]<<6; r1[2,3] = c23[1]<<6
+# asm 1: vshll.u32 >r1=reg128#14,<c23=reg128#14%bot,#6
+# asm 2: vshll.u32 >r1=q13,<c23=d26,#6
+vshll.u32 q13,d26,#6
+
+# qhasm: r3[0,1] += x4[0] unsigned* 5y34[2]; r3[2,3] += x4[1] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r3=reg128#6,<x4=reg128#11%bot,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r3=q5,<x4=d20,<5y34=d25
+vmlal.u32 q5,d20,d25
+
+# qhasm: r1[0,1] += x01[0] unsigned* y12[0]; r1[2,3] += x01[1] unsigned* y12[1]
+# asm 1: vmlal.u32 <r1=reg128#14,<x01=reg128#9%bot,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r1=q13,<x01=d16,<y12=d2
+vmlal.u32 q13,d16,d2
+
+# qhasm: r1[0,1] += x01[2] unsigned* y0[0]; r1[2,3] += x01[3] unsigned* y0[1]
+# asm 1: vmlal.u32 <r1=reg128#14,<x01=reg128#9%top,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r1=q13,<x01=d17,<y0=d0
+vmlal.u32 q13,d17,d0
+
+# qhasm: r1[0,1] += x23[0] unsigned* 5y34[2]; r1[2,3] += x23[1] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r1=reg128#14,<x23=reg128#10%bot,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r1=q13,<x23=d18,<5y34=d25
+vmlal.u32 q13,d18,d25
+
+# qhasm: r1[0,1] += x23[2] unsigned* 5y34[0]; r1[2,3] += x23[3] unsigned* 5y34[1]
+# asm 1: vmlal.u32 <r1=reg128#14,<x23=reg128#10%top,<5y34=reg128#13%bot
+# asm 2: vmlal.u32 <r1=q13,<x23=d19,<5y34=d24
+vmlal.u32 q13,d19,d24
+
+# qhasm: r2[0,1] = c01[2]<<12; r2[2,3] = c01[3]<<12
+# asm 1: vshll.u32 >r2=reg128#8,<c01=reg128#8%top,#12
+# asm 2: vshll.u32 >r2=q7,<c01=d15,#12
+vshll.u32 q7,d15,#12
+
+# qhasm: r1[0,1] += x4[0] unsigned* 5y12[2]; r1[2,3] += x4[1] unsigned* 5y12[3]
+# asm 1: vmlal.u32 <r1=reg128#14,<x4=reg128#11%bot,<5y12=reg128#12%top
+# asm 2: vmlal.u32 <r1=q13,<x4=d20,<5y12=d23
+vmlal.u32 q13,d20,d23
+
+# qhasm: r2[0,1] += x01[0] unsigned* y12[2]; r2[2,3] += x01[1] unsigned* y12[3]
+# asm 1: vmlal.u32 <r2=reg128#8,<x01=reg128#9%bot,<y12=reg128#2%top
+# asm 2: vmlal.u32 <r2=q7,<x01=d16,<y12=d3
+vmlal.u32 q7,d16,d3
+
+# qhasm: r2[0,1] += x01[2] unsigned* y12[0]; r2[2,3] += x01[3] unsigned* y12[1]
+# asm 1: vmlal.u32 <r2=reg128#8,<x01=reg128#9%top,<y12=reg128#2%bot
+# asm 2: vmlal.u32 <r2=q7,<x01=d17,<y12=d2
+vmlal.u32 q7,d17,d2
+
+# qhasm: r2[0,1] += x23[0] unsigned* y0[0]; r2[2,3] += x23[1] unsigned* y0[1]
+# asm 1: vmlal.u32 <r2=reg128#8,<x23=reg128#10%bot,<y0=reg128#1%bot
+# asm 2: vmlal.u32 <r2=q7,<x23=d18,<y0=d0
+vmlal.u32 q7,d18,d0
+
+# qhasm: r2[0,1] += x23[2] unsigned* 5y34[2]; r2[2,3] += x23[3] unsigned* 5y34[3]
+# asm 1: vmlal.u32 <r2=reg128#8,<x23=reg128#10%top,<5y34=reg128#13%top
+# asm 2: vmlal.u32 <r2=q7,<x23=d19,<5y34=d25
+vmlal.u32 q7,d19,d25
+
+# qhasm: r2[0,1] += x4[0] unsigned* 5y34[0]; r2[2,3] += x4[1] unsigned* 5y34[1]
+# asm 1: vmlal.u32 <r2=reg128#8,<x4=reg128#11%bot,<5y34=reg128#13%bot
+# asm 2: vmlal.u32 <r2=q7,<x4=d20,<5y34=d24
+vmlal.u32 q7,d20,d24
+
+# qhasm: 2x t1 = r0 unsigned>> 26
+# asm 1: vshr.u64 >t1=reg128#9,<r0=reg128#4,#26
+# asm 2: vshr.u64 >t1=q8,<r0=q3,#26
+vshr.u64 q8,q3,#26
+
+# qhasm: r0 &= mask
+# asm 1: vand >r0=reg128#4,<r0=reg128#4,<mask=reg128#7
+# asm 2: vand >r0=q3,<r0=q3,<mask=q6
+vand q3,q3,q6
+
+# qhasm: 2x r1 += t1
+# asm 1: vadd.i64 >r1=reg128#9,<r1=reg128#14,<t1=reg128#9
+# asm 2: vadd.i64 >r1=q8,<r1=q13,<t1=q8
+vadd.i64 q8,q13,q8
+
+# qhasm: 2x t4 = r3 unsigned>> 26
+# asm 1: vshr.u64 >t4=reg128#10,<r3=reg128#6,#26
+# asm 2: vshr.u64 >t4=q9,<r3=q5,#26
+vshr.u64 q9,q5,#26
+
+# qhasm: r3 &= mask
+# asm 1: vand >r3=reg128#6,<r3=reg128#6,<mask=reg128#7
+# asm 2: vand >r3=q5,<r3=q5,<mask=q6
+vand q5,q5,q6
+
+# qhasm: 2x r4 += t4
+# asm 1: vadd.i64 >r4=reg128#5,<r4=reg128#5,<t4=reg128#10
+# asm 2: vadd.i64 >r4=q4,<r4=q4,<t4=q9
+vadd.i64 q4,q4,q9
+
+# qhasm: 2x t2 = r1 unsigned>> 26
+# asm 1: vshr.u64 >t2=reg128#10,<r1=reg128#9,#26
+# asm 2: vshr.u64 >t2=q9,<r1=q8,#26
+vshr.u64 q9,q8,#26
+
+# qhasm: r1 &= mask
+# asm 1: vand >r1=reg128#11,<r1=reg128#9,<mask=reg128#7
+# asm 2: vand >r1=q10,<r1=q8,<mask=q6
+vand q10,q8,q6
+
+# qhasm: 2x t0 = r4 unsigned>> 26
+# asm 1: vshr.u64 >t0=reg128#9,<r4=reg128#5,#26
+# asm 2: vshr.u64 >t0=q8,<r4=q4,#26
+vshr.u64 q8,q4,#26
+
+# qhasm: 2x r2 += t2
+# asm 1: vadd.i64 >r2=reg128#8,<r2=reg128#8,<t2=reg128#10
+# asm 2: vadd.i64 >r2=q7,<r2=q7,<t2=q9
+vadd.i64 q7,q7,q9
+
+# qhasm: r4 &= mask
+# asm 1: vand >r4=reg128#5,<r4=reg128#5,<mask=reg128#7
+# asm 2: vand >r4=q4,<r4=q4,<mask=q6
+vand q4,q4,q6
+
+# qhasm: 2x r0 += t0
+# asm 1: vadd.i64 >r0=reg128#4,<r0=reg128#4,<t0=reg128#9
+# asm 2: vadd.i64 >r0=q3,<r0=q3,<t0=q8
+vadd.i64 q3,q3,q8
+
+# qhasm: 2x t0 <<= 2
+# asm 1: vshl.i64 >t0=reg128#9,<t0=reg128#9,#2
+# asm 2: vshl.i64 >t0=q8,<t0=q8,#2
+vshl.i64 q8,q8,#2
+
+# qhasm: 2x t3 = r2 unsigned>> 26
+# asm 1: vshr.u64 >t3=reg128#14,<r2=reg128#8,#26
+# asm 2: vshr.u64 >t3=q13,<r2=q7,#26
+vshr.u64 q13,q7,#26
+
+# qhasm: 2x r0 += t0
+# asm 1: vadd.i64 >r0=reg128#4,<r0=reg128#4,<t0=reg128#9
+# asm 2: vadd.i64 >r0=q3,<r0=q3,<t0=q8
+vadd.i64 q3,q3,q8
+
+# qhasm: x23 = r2 & mask
+# asm 1: vand >x23=reg128#10,<r2=reg128#8,<mask=reg128#7
+# asm 2: vand >x23=q9,<r2=q7,<mask=q6
+vand q9,q7,q6
+
+# qhasm: 2x r3 += t3
+# asm 1: vadd.i64 >r3=reg128#6,<r3=reg128#6,<t3=reg128#14
+# asm 2: vadd.i64 >r3=q5,<r3=q5,<t3=q13
+vadd.i64 q5,q5,q13
+
+# qhasm: 2x t1 = r0 unsigned>> 26
+# asm 1: vshr.u64 >t1=reg128#8,<r0=reg128#4,#26
+# asm 2: vshr.u64 >t1=q7,<r0=q3,#26
+vshr.u64 q7,q3,#26
+
+# qhasm: x01 = r0 & mask
+# asm 1: vand >x01=reg128#9,<r0=reg128#4,<mask=reg128#7
+# asm 2: vand >x01=q8,<r0=q3,<mask=q6
+vand q8,q3,q6
+
+# qhasm: 2x r1 += t1
+# asm 1: vadd.i64 >r1=reg128#4,<r1=reg128#11,<t1=reg128#8
+# asm 2: vadd.i64 >r1=q3,<r1=q10,<t1=q7
+vadd.i64 q3,q10,q7
+
+# qhasm: 2x t4 = r3 unsigned>> 26
+# asm 1: vshr.u64 >t4=reg128#8,<r3=reg128#6,#26
+# asm 2: vshr.u64 >t4=q7,<r3=q5,#26
+vshr.u64 q7,q5,#26
+
+# qhasm: r3 &= mask
+# asm 1: vand >r3=reg128#6,<r3=reg128#6,<mask=reg128#7
+# asm 2: vand >r3=q5,<r3=q5,<mask=q6
+vand q5,q5,q6
+
+# qhasm: 2x x4 = r4 + t4
+# asm 1: vadd.i64 >x4=reg128#11,<r4=reg128#5,<t4=reg128#8
+# asm 2: vadd.i64 >x4=q10,<r4=q4,<t4=q7
+vadd.i64 q10,q4,q7
+
+# qhasm: len -= 32
+# asm 1: sub >len=int32#4,<len=int32#4,#32
+# asm 2: sub >len=r3,<len=r3,#32
+sub r3,r3,#32
+
+# qhasm: x01 = x01[0,2,1,3]
+# asm 1: vtrn.32 <x01=reg128#9%bot,<x01=reg128#9%top
+# asm 2: vtrn.32 <x01=d16,<x01=d17
+vtrn.32 d16,d17
+
+# qhasm: x23 = x23[0,2,1,3]
+# asm 1: vtrn.32 <x23=reg128#10%bot,<x23=reg128#10%top
+# asm 2: vtrn.32 <x23=d18,<x23=d19
+vtrn.32 d18,d19
+
+# qhasm: r1 = r1[0,2,1,3]
+# asm 1: vtrn.32 <r1=reg128#4%bot,<r1=reg128#4%top
+# asm 2: vtrn.32 <r1=d6,<r1=d7
+vtrn.32 d6,d7
+
+# qhasm: r3 = r3[0,2,1,3]
+# asm 1: vtrn.32 <r3=reg128#6%bot,<r3=reg128#6%top
+# asm 2: vtrn.32 <r3=d10,<r3=d11
+vtrn.32 d10,d11
+
+# qhasm: x4 = x4[0,2,1,3]
+# asm 1: vtrn.32 <x4=reg128#11%bot,<x4=reg128#11%top
+# asm 2: vtrn.32 <x4=d20,<x4=d21
+vtrn.32 d20,d21
+
+# qhasm: x01 = x01[0,1] r1[0,1]
+# asm 1: vext.32 <x01=reg128#9%top,<r1=reg128#4%bot,<r1=reg128#4%bot,#0
+# asm 2: vext.32 <x01=d17,<r1=d6,<r1=d6,#0
+vext.32 d17,d6,d6,#0
+
+# qhasm: x23 = x23[0,1] r3[0,1]
+# asm 1: vext.32 <x23=reg128#10%top,<r3=reg128#6%bot,<r3=reg128#6%bot,#0
+# asm 2: vext.32 <x23=d19,<r3=d10,<r3=d10,#0
+vext.32 d19,d10,d10,#0
+
+# qhasm: unsigned>? len - 32
+# asm 1: cmp <len=int32#4,#32
+# asm 2: cmp <len=r3,#32
+cmp r3,#32
+
+# qhasm: goto mainloop if unsigned>
+bhi ._mainloop
+
+# qhasm: end:
+._end:
+
+# qhasm: mem128[input_0] = x01;input_0+=16
+# asm 1: vst1.8 {<x01=reg128#9%bot-<x01=reg128#9%top},[<input_0=int32#1]!
+# asm 2: vst1.8 {<x01=d16-<x01=d17},[<input_0=r0]!
+vst1.8 {d16-d17},[r0]!
+
+# qhasm: mem128[input_0] = x23;input_0+=16
+# asm 1: vst1.8 {<x23=reg128#10%bot-<x23=reg128#10%top},[<input_0=int32#1]!
+# asm 2: vst1.8 {<x23=d18-<x23=d19},[<input_0=r0]!
+vst1.8 {d18-d19},[r0]!
+
+# qhasm: mem64[input_0] = x4[0]
+# asm 1: vst1.8 <x4=reg128#11%bot,[<input_0=int32#1]
+# asm 2: vst1.8 <x4=d20,[<input_0=r0]
+vst1.8 d20,[r0]
+
+# qhasm: len = len
+# asm 1: mov >len=int32#1,<len=int32#4
+# asm 2: mov >len=r0,<len=r3
+mov r0,r3
+
+# qhasm: qpopreturn len
+mov sp,r12
+vpop {q4,q5,q6,q7}
+bx lr
+
+# qhasm: int32 input_0
+
+# qhasm: int32 input_1
+
+# qhasm: int32 input_2
+
+# qhasm: int32 input_3
+
+# qhasm: stack32 input_4
+
+# qhasm: stack32 input_5
+
+# qhasm: stack32 input_6
+
+# qhasm: stack32 input_7
+
+# qhasm: int32 caller_r4
+
+# qhasm: int32 caller_r5
+
+# qhasm: int32 caller_r6
+
+# qhasm: int32 caller_r7
+
+# qhasm: int32 caller_r8
+
+# qhasm: int32 caller_r9
+
+# qhasm: int32 caller_r10
+
+# qhasm: int32 caller_r11
+
+# qhasm: int32 caller_r12
+
+# qhasm: int32 caller_r14
+
+# qhasm: reg128 caller_q4
+
+# qhasm: reg128 caller_q5
+
+# qhasm: reg128 caller_q6
+
+# qhasm: reg128 caller_q7
+
+# qhasm: reg128 r0
+
+# qhasm: reg128 r1
+
+# qhasm: reg128 r2
+
+# qhasm: reg128 r3
+
+# qhasm: reg128 r4
+
+# qhasm: reg128 x01
+
+# qhasm: reg128 x23
+
+# qhasm: reg128 x4
+
+# qhasm: reg128 y01
+
+# qhasm: reg128 y23
+
+# qhasm: reg128 y4
+
+# qhasm: reg128 _5y01
+
+# qhasm: reg128 _5y23
+
+# qhasm: reg128 _5y4
+
+# qhasm: reg128 c01
+
+# qhasm: reg128 c23
+
+# qhasm: reg128 c4
+
+# qhasm: reg128 t0
+
+# qhasm: reg128 t1
+
+# qhasm: reg128 t2
+
+# qhasm: reg128 t3
+
+# qhasm: reg128 t4
+
+# qhasm: reg128 mask
+
+# qhasm: enter crypto_onetimeauth_poly1305_neon2_addmulmod
+.align 2
+.global openssl_poly1305_neon2_addmulmod
+.type openssl_poly1305_neon2_addmulmod STT_FUNC
+openssl_poly1305_neon2_addmulmod:
+sub sp,sp,#0
+
+# qhasm: 2x mask = 0xffffffff
+# asm 1: vmov.i64 >mask=reg128#1,#0xffffffff
+# asm 2: vmov.i64 >mask=q0,#0xffffffff
+vmov.i64 q0,#0xffffffff
+
+# qhasm: y01 aligned= mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>y01=reg128#2%bot->y01=reg128#2%top},[<input_2=int32#3,: 128]!
+# asm 2: vld1.8 {>y01=d2->y01=d3},[<input_2=r2,: 128]!
+vld1.8 {d2-d3},[r2,: 128]!
+
+# qhasm: 4x _5y01 = y01 << 2
+# asm 1: vshl.i32 >_5y01=reg128#3,<y01=reg128#2,#2
+# asm 2: vshl.i32 >_5y01=q2,<y01=q1,#2
+vshl.i32 q2,q1,#2
+
+# qhasm: y23 aligned= mem128[input_2];input_2+=16
+# asm 1: vld1.8 {>y23=reg128#4%bot->y23=reg128#4%top},[<input_2=int32#3,: 128]!
+# asm 2: vld1.8 {>y23=d6->y23=d7},[<input_2=r2,: 128]!
+vld1.8 {d6-d7},[r2,: 128]!
+
+# qhasm: 4x _5y23 = y23 << 2
+# asm 1: vshl.i32 >_5y23=reg128#9,<y23=reg128#4,#2
+# asm 2: vshl.i32 >_5y23=q8,<y23=q3,#2
+vshl.i32 q8,q3,#2
+
+# qhasm: y4 aligned= mem64[input_2]y4[1]
+# asm 1: vld1.8 {<y4=reg128#10%bot},[<input_2=int32#3,: 64]
+# asm 2: vld1.8 {<y4=d18},[<input_2=r2,: 64]
+vld1.8 {d18},[r2,: 64]
+
+# qhasm: 4x _5y4 = y4 << 2
+# asm 1: vshl.i32 >_5y4=reg128#11,<y4=reg128#10,#2
+# asm 2: vshl.i32 >_5y4=q10,<y4=q9,#2
+vshl.i32 q10,q9,#2
+
+# qhasm: x01 aligned= mem128[input_1];input_1+=16
+# asm 1: vld1.8 {>x01=reg128#12%bot->x01=reg128#12%top},[<input_1=int32#2,: 128]!
+# asm 2: vld1.8 {>x01=d22->x01=d23},[<input_1=r1,: 128]!
+vld1.8 {d22-d23},[r1,: 128]!
+
+# qhasm: 4x _5y01 += y01
+# asm 1: vadd.i32 >_5y01=reg128#3,<_5y01=reg128#3,<y01=reg128#2
+# asm 2: vadd.i32 >_5y01=q2,<_5y01=q2,<y01=q1
+vadd.i32 q2,q2,q1
+
+# qhasm: x23 aligned= mem128[input_1];input_1+=16
+# asm 1: vld1.8 {>x23=reg128#13%bot->x23=reg128#13%top},[<input_1=int32#2,: 128]!
+# asm 2: vld1.8 {>x23=d24->x23=d25},[<input_1=r1,: 128]!
+vld1.8 {d24-d25},[r1,: 128]!
+
+# qhasm: 4x _5y23 += y23
+# asm 1: vadd.i32 >_5y23=reg128#9,<_5y23=reg128#9,<y23=reg128#4
+# asm 2: vadd.i32 >_5y23=q8,<_5y23=q8,<y23=q3
+vadd.i32 q8,q8,q3
+
+# qhasm: 4x _5y4 += y4
+# asm 1: vadd.i32 >_5y4=reg128#11,<_5y4=reg128#11,<y4=reg128#10
+# asm 2: vadd.i32 >_5y4=q10,<_5y4=q10,<y4=q9
+vadd.i32 q10,q10,q9
+
+# qhasm: c01 aligned= mem128[input_3];input_3+=16
+# asm 1: vld1.8 {>c01=reg128#14%bot->c01=reg128#14%top},[<input_3=int32#4,: 128]!
+# asm 2: vld1.8 {>c01=d26->c01=d27},[<input_3=r3,: 128]!
+vld1.8 {d26-d27},[r3,: 128]!
+
+# qhasm: 4x x01 += c01
+# asm 1: vadd.i32 >x01=reg128#12,<x01=reg128#12,<c01=reg128#14
+# asm 2: vadd.i32 >x01=q11,<x01=q11,<c01=q13
+vadd.i32 q11,q11,q13
+
+# qhasm: c23 aligned= mem128[input_3];input_3+=16
+# asm 1: vld1.8 {>c23=reg128#14%bot->c23=reg128#14%top},[<input_3=int32#4,: 128]!
+# asm 2: vld1.8 {>c23=d26->c23=d27},[<input_3=r3,: 128]!
+vld1.8 {d26-d27},[r3,: 128]!
+
+# qhasm: 4x x23 += c23
+# asm 1: vadd.i32 >x23=reg128#13,<x23=reg128#13,<c23=reg128#14
+# asm 2: vadd.i32 >x23=q12,<x23=q12,<c23=q13
+vadd.i32 q12,q12,q13
+
+# qhasm: x4 aligned= mem64[input_1]x4[1]
+# asm 1: vld1.8 {<x4=reg128#14%bot},[<input_1=int32#2,: 64]
+# asm 2: vld1.8 {<x4=d26},[<input_1=r1,: 64]
+vld1.8 {d26},[r1,: 64]
+
+# qhasm: 2x mask unsigned>>=6
+# asm 1: vshr.u64 >mask=reg128#1,<mask=reg128#1,#6
+# asm 2: vshr.u64 >mask=q0,<mask=q0,#6
+vshr.u64 q0,q0,#6
+
+# qhasm: c4 aligned= mem64[input_3]c4[1]
+# asm 1: vld1.8 {<c4=reg128#15%bot},[<input_3=int32#4,: 64]
+# asm 2: vld1.8 {<c4=d28},[<input_3=r3,: 64]
+vld1.8 {d28},[r3,: 64]
+
+# qhasm: 4x x4 += c4
+# asm 1: vadd.i32 >x4=reg128#14,<x4=reg128#14,<c4=reg128#15
+# asm 2: vadd.i32 >x4=q13,<x4=q13,<c4=q14
+vadd.i32 q13,q13,q14
+
+# qhasm: r0[0,1] = x01[0] unsigned* y01[0]; r0[2,3] = x01[1] unsigned* y01[1]
+# asm 1: vmull.u32 >r0=reg128#15,<x01=reg128#12%bot,<y01=reg128#2%bot
+# asm 2: vmull.u32 >r0=q14,<x01=d22,<y01=d2
+vmull.u32 q14,d22,d2
+
+# qhasm: r0[0,1] += x01[2] unsigned* _5y4[0]; r0[2,3] += x01[3] unsigned* _5y4[1]
+# asm 1: vmlal.u32 <r0=reg128#15,<x01=reg128#12%top,<_5y4=reg128#11%bot
+# asm 2: vmlal.u32 <r0=q14,<x01=d23,<_5y4=d20
+vmlal.u32 q14,d23,d20
+
+# qhasm: r0[0,1] += x23[0] unsigned* _5y23[2]; r0[2,3] += x23[1] unsigned* _5y23[3]
+# asm 1: vmlal.u32 <r0=reg128#15,<x23=reg128#13%bot,<_5y23=reg128#9%top
+# asm 2: vmlal.u32 <r0=q14,<x23=d24,<_5y23=d17
+vmlal.u32 q14,d24,d17
+
+# qhasm: r0[0,1] += x23[2] unsigned* _5y23[0]; r0[2,3] += x23[3] unsigned* _5y23[1]
+# asm 1: vmlal.u32 <r0=reg128#15,<x23=reg128#13%top,<_5y23=reg128#9%bot
+# asm 2: vmlal.u32 <r0=q14,<x23=d25,<_5y23=d16
+vmlal.u32 q14,d25,d16
+
+# qhasm: r0[0,1] += x4[0] unsigned* _5y01[2]; r0[2,3] += x4[1] unsigned* _5y01[3]
+# asm 1: vmlal.u32 <r0=reg128#15,<x4=reg128#14%bot,<_5y01=reg128#3%top
+# asm 2: vmlal.u32 <r0=q14,<x4=d26,<_5y01=d5
+vmlal.u32 q14,d26,d5
+
+# qhasm: r1[0,1] = x01[0] unsigned* y01[2]; r1[2,3] = x01[1] unsigned* y01[3]
+# asm 1: vmull.u32 >r1=reg128#3,<x01=reg128#12%bot,<y01=reg128#2%top
+# asm 2: vmull.u32 >r1=q2,<x01=d22,<y01=d3
+vmull.u32 q2,d22,d3
+
+# qhasm: r1[0,1] += x01[2] unsigned* y01[0]; r1[2,3] += x01[3] unsigned* y01[1]
+# asm 1: vmlal.u32 <r1=reg128#3,<x01=reg128#12%top,<y01=reg128#2%bot
+# asm 2: vmlal.u32 <r1=q2,<x01=d23,<y01=d2
+vmlal.u32 q2,d23,d2
+
+# qhasm: r1[0,1] += x23[0] unsigned* _5y4[0]; r1[2,3] += x23[1] unsigned* _5y4[1]
+# asm 1: vmlal.u32 <r1=reg128#3,<x23=reg128#13%bot,<_5y4=reg128#11%bot
+# asm 2: vmlal.u32 <r1=q2,<x23=d24,<_5y4=d20
+vmlal.u32 q2,d24,d20
+
+# qhasm: r1[0,1] += x23[2] unsigned* _5y23[2]; r1[2,3] += x23[3] unsigned* _5y23[3]
+# asm 1: vmlal.u32 <r1=reg128#3,<x23=reg128#13%top,<_5y23=reg128#9%top
+# asm 2: vmlal.u32 <r1=q2,<x23=d25,<_5y23=d17
+vmlal.u32 q2,d25,d17
+
+# qhasm: r1[0,1] += x4[0] unsigned* _5y23[0]; r1[2,3] += x4[1] unsigned* _5y23[1]
+# asm 1: vmlal.u32 <r1=reg128#3,<x4=reg128#14%bot,<_5y23=reg128#9%bot
+# asm 2: vmlal.u32 <r1=q2,<x4=d26,<_5y23=d16
+vmlal.u32 q2,d26,d16
+
+# qhasm: r2[0,1] = x01[0] unsigned* y23[0]; r2[2,3] = x01[1] unsigned* y23[1]
+# asm 1: vmull.u32 >r2=reg128#16,<x01=reg128#12%bot,<y23=reg128#4%bot
+# asm 2: vmull.u32 >r2=q15,<x01=d22,<y23=d6
+vmull.u32 q15,d22,d6
+
+# qhasm: r2[0,1] += x01[2] unsigned* y01[2]; r2[2,3] += x01[3] unsigned* y01[3]
+# asm 1: vmlal.u32 <r2=reg128#16,<x01=reg128#12%top,<y01=reg128#2%top
+# asm 2: vmlal.u32 <r2=q15,<x01=d23,<y01=d3
+vmlal.u32 q15,d23,d3
+
+# qhasm: r2[0,1] += x23[0] unsigned* y01[0]; r2[2,3] += x23[1] unsigned* y01[1]
+# asm 1: vmlal.u32 <r2=reg128#16,<x23=reg128#13%bot,<y01=reg128#2%bot
+# asm 2: vmlal.u32 <r2=q15,<x23=d24,<y01=d2
+vmlal.u32 q15,d24,d2
+
+# qhasm: r2[0,1] += x23[2] unsigned* _5y4[0]; r2[2,3] += x23[3] unsigned* _5y4[1]
+# asm 1: vmlal.u32 <r2=reg128#16,<x23=reg128#13%top,<_5y4=reg128#11%bot
+# asm 2: vmlal.u32 <r2=q15,<x23=d25,<_5y4=d20
+vmlal.u32 q15,d25,d20
+
+# qhasm: r2[0,1] += x4[0] unsigned* _5y23[2]; r2[2,3] += x4[1] unsigned* _5y23[3]
+# asm 1: vmlal.u32 <r2=reg128#16,<x4=reg128#14%bot,<_5y23=reg128#9%top
+# asm 2: vmlal.u32 <r2=q15,<x4=d26,<_5y23=d17
+vmlal.u32 q15,d26,d17
+
+# qhasm: r3[0,1] = x01[0] unsigned* y23[2]; r3[2,3] = x01[1] unsigned* y23[3]
+# asm 1: vmull.u32 >r3=reg128#9,<x01=reg128#12%bot,<y23=reg128#4%top
+# asm 2: vmull.u32 >r3=q8,<x01=d22,<y23=d7
+vmull.u32 q8,d22,d7
+
+# qhasm: r3[0,1] += x01[2] unsigned* y23[0]; r3[2,3] += x01[3] unsigned* y23[1]
+# asm 1: vmlal.u32 <r3=reg128#9,<x01=reg128#12%top,<y23=reg128#4%bot
+# asm 2: vmlal.u32 <r3=q8,<x01=d23,<y23=d6
+vmlal.u32 q8,d23,d6
+
+# qhasm: r3[0,1] += x23[0] unsigned* y01[2]; r3[2,3] += x23[1] unsigned* y01[3]
+# asm 1: vmlal.u32 <r3=reg128#9,<x23=reg128#13%bot,<y01=reg128#2%top
+# asm 2: vmlal.u32 <r3=q8,<x23=d24,<y01=d3
+vmlal.u32 q8,d24,d3
+