| /* Copyright 2018 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
| |
| #include "aes.h" |
| #include "aes-gcm.h" |
| #include "console.h" |
| #include "common.h" |
| #include "test_util.h" |
| #include "timer.h" |
| #include "util.h" |
| #include "watchdog.h" |
| |
| /* Temporary buffer, to avoid using too much stack space. */ |
| static uint8_t tmp[512]; |
| |
| /* |
| * Do encryption, put result in |result|, and compare with |ciphertext|. |
| */ |
| static int test_aes_gcm_encrypt(uint8_t *result, |
| const uint8_t *key, |
| int key_size, |
| const uint8_t *plaintext, |
| const uint8_t *ciphertext, |
| int plaintext_size, |
| const uint8_t *nonce, |
| int nonce_size, |
| const uint8_t *tag, |
| int tag_size) |
| { |
| static AES_KEY aes_key; |
| static GCM128_CONTEXT ctx; |
| |
| TEST_ASSERT(AES_set_encrypt_key(key, 8 * key_size, &aes_key) == 0); |
| |
| CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f) AES_encrypt, 0); |
| CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_size); |
| TEST_ASSERT(CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext, result, |
| plaintext_size)); |
| TEST_ASSERT(CRYPTO_gcm128_finish(&ctx, tag, tag_size)); |
| TEST_ASSERT_ARRAY_EQ(ciphertext, result, plaintext_size); |
| |
| return EC_SUCCESS; |
| } |
| |
| /* |
| * Do decryption, put result in |result|, and compare with |plaintext|. |
| */ |
| static int test_aes_gcm_decrypt(uint8_t *result, |
| const uint8_t *key, |
| int key_size, |
| const uint8_t *plaintext, |
| const uint8_t *ciphertext, |
| int plaintext_size, |
| const uint8_t *nonce, |
| int nonce_size, |
| const uint8_t *tag, |
| int tag_size) |
| { |
| static AES_KEY aes_key; |
| static GCM128_CONTEXT ctx; |
| |
| TEST_ASSERT(AES_set_encrypt_key(key, 8 * key_size, &aes_key) == 0); |
| |
| CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f) AES_encrypt, 0); |
| CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_size); |
| TEST_ASSERT(CRYPTO_gcm128_decrypt(&ctx, &aes_key, ciphertext, result, |
| plaintext_size)); |
| TEST_ASSERT(CRYPTO_gcm128_finish(&ctx, tag, tag_size)); |
| TEST_ASSERT_ARRAY_EQ(plaintext, result, plaintext_size); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_aes_gcm_raw_inplace(const uint8_t *key, |
| int key_size, |
| const uint8_t *plaintext, |
| const uint8_t *ciphertext, |
| int plaintext_size, |
| const uint8_t *nonce, |
| int nonce_size, |
| const uint8_t *tag, |
| int tag_size) |
| { |
| |
| /* |
| * Make copies that will be clobbered during in-place encryption or |
| * decryption. |
| */ |
| uint8_t plaintext_copy[plaintext_size]; |
| uint8_t ciphertext_copy[plaintext_size]; |
| |
| memcpy(plaintext_copy, plaintext, plaintext_size); |
| memcpy(ciphertext_copy, ciphertext, plaintext_size); |
| |
| TEST_ASSERT(test_aes_gcm_encrypt(plaintext_copy, |
| key, |
| key_size, |
| plaintext_copy, |
| ciphertext, |
| plaintext_size, |
| nonce, |
| nonce_size, |
| tag, |
| tag_size) == EC_SUCCESS); |
| |
| TEST_ASSERT(test_aes_gcm_decrypt(ciphertext_copy, |
| key, |
| key_size, |
| plaintext, |
| ciphertext_copy, |
| plaintext_size, |
| nonce, |
| nonce_size, |
| tag, |
| tag_size) == EC_SUCCESS); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_aes_gcm_raw_non_inplace(const uint8_t *key, |
| int key_size, |
| const uint8_t *plaintext, |
| const uint8_t *ciphertext, |
| int plaintext_size, |
| const uint8_t *nonce, |
| int nonce_size, |
| const uint8_t *tag, |
| int tag_size) |
| { |
| TEST_ASSERT(test_aes_gcm_encrypt(tmp, |
| key, |
| key_size, |
| plaintext, |
| ciphertext, |
| plaintext_size, |
| nonce, |
| nonce_size, |
| tag, |
| tag_size) == EC_SUCCESS); |
| |
| TEST_ASSERT(test_aes_gcm_decrypt(tmp, |
| key, |
| key_size, |
| plaintext, |
| ciphertext, |
| plaintext_size, |
| nonce, |
| nonce_size, |
| tag, |
| tag_size) == EC_SUCCESS); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_aes_gcm_raw(const uint8_t *key, |
| int key_size, |
| const uint8_t *plaintext, |
| const uint8_t *ciphertext, |
| int plaintext_size, |
| const uint8_t *nonce, |
| int nonce_size, |
| const uint8_t *tag, |
| int tag_size) |
| { |
| TEST_ASSERT(plaintext_size <= sizeof(tmp)); |
| |
| TEST_ASSERT(test_aes_gcm_raw_non_inplace(key, |
| key_size, |
| plaintext, |
| ciphertext, |
| plaintext_size, |
| nonce, |
| nonce_size, |
| tag, |
| tag_size) == EC_SUCCESS); |
| TEST_ASSERT(test_aes_gcm_raw_inplace(key, |
| key_size, |
| plaintext, |
| ciphertext, |
| plaintext_size, |
| nonce, |
| nonce_size, |
| tag, |
| tag_size) == EC_SUCCESS); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_aes_gcm(void) |
| { |
| /* |
| * Test vectors from BoringSSL crypto/fipsmodule/modes/gcm_tests.txt |
| * (only the ones with actual data, and no additional data). |
| */ |
| static const uint8_t key1[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t plain1[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t nonce1[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t cipher1[] = { |
| 0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92, |
| 0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78, |
| }; |
| static const uint8_t tag1[] = { |
| 0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd, |
| 0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf, |
| }; |
| |
| static const uint8_t key2[] = { |
| 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, |
| 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, |
| }; |
| static const uint8_t plain2[] = { |
| 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, |
| 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, |
| 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, |
| 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, |
| 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, |
| 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, |
| 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, |
| 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55, |
| }; |
| static const uint8_t nonce2[] = { |
| 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, |
| 0xde, 0xca, 0xf8, 0x88, |
| }; |
| static const uint8_t cipher2[] = { |
| 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24, |
| 0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c, |
| 0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0, |
| 0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e, |
| 0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c, |
| 0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05, |
| 0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97, |
| 0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85, |
| }; |
| static const uint8_t tag2[] = { |
| 0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6, |
| 0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4, |
| }; |
| |
| static const uint8_t key3[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t plain3[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t nonce3[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t cipher3[] = { |
| 0x98, 0xe7, 0x24, 0x7c, 0x07, 0xf0, 0xfe, 0x41, |
| 0x1c, 0x26, 0x7e, 0x43, 0x84, 0xb0, 0xf6, 0x00, |
| }; |
| static const uint8_t tag3[] = { |
| 0x2f, 0xf5, 0x8d, 0x80, 0x03, 0x39, 0x27, 0xab, |
| 0x8e, 0xf4, 0xd4, 0x58, 0x75, 0x14, 0xf0, 0xfb, |
| }; |
| |
| static const uint8_t key4[] = { |
| 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, |
| 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, |
| 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, |
| }; |
| static const uint8_t plain4[] = { |
| 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, |
| 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, |
| 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, |
| 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, |
| 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, |
| 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, |
| 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, |
| 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55, |
| }; |
| static const uint8_t nonce4[] = { |
| 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, |
| 0xde, 0xca, 0xf8, 0x88, |
| }; |
| static const uint8_t cipher4[] = { |
| 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41, |
| 0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57, |
| 0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84, |
| 0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c, |
| 0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25, |
| 0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47, |
| 0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9, |
| 0xcc, 0xda, 0x27, 0x10, 0xac, 0xad, 0xe2, 0x56, |
| }; |
| static const uint8_t tag4[] = { |
| 0x99, 0x24, 0xa7, 0xc8, 0x58, 0x73, 0x36, 0xbf, |
| 0xb1, 0x18, 0x02, 0x4d, 0xb8, 0x67, 0x4a, 0x14, |
| }; |
| |
| static const uint8_t key5[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t plain5[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t nonce5[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t cipher5[] = { |
| 0xce, 0xa7, 0x40, 0x3d, 0x4d, 0x60, 0x6b, 0x6e, |
| 0x07, 0x4e, 0xc5, 0xd3, 0xba, 0xf3, 0x9d, 0x18, |
| }; |
| static const uint8_t tag5[] = { |
| 0xd0, 0xd1, 0xc8, 0xa7, 0x99, 0x99, 0x6b, 0xf0, |
| 0x26, 0x5b, 0x98, 0xb5, 0xd4, 0x8a, 0xb9, 0x19, |
| }; |
| |
| static const uint8_t key6[] = { |
| 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, |
| 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, |
| 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, |
| 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, |
| }; |
| static const uint8_t plain6[] = { |
| 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, |
| 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, |
| 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, |
| 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, |
| 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, |
| 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, |
| 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, |
| 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55, |
| }; |
| static const uint8_t nonce6[] = { |
| 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, |
| 0xde, 0xca, 0xf8, 0x88, |
| }; |
| static const uint8_t cipher6[] = { |
| 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07, |
| 0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d, |
| 0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9, |
| 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa, |
| 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d, |
| 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38, |
| 0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a, |
| 0xbc, 0xc9, 0xf6, 0x62, 0x89, 0x80, 0x15, 0xad, |
| }; |
| static const uint8_t tag6[] = { |
| 0xb0, 0x94, 0xda, 0xc5, 0xd9, 0x34, 0x71, 0xbd, |
| 0xec, 0x1a, 0x50, 0x22, 0x70, 0xe3, 0xcc, 0x6c, |
| }; |
| |
| static const uint8_t key7[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t plain7[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| /* This nonce results in 0xfff in counter LSB. */ |
| static const uint8_t nonce7[] = { |
| 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| static const uint8_t cipher7[] = { |
| 0x56, 0xb3, 0x37, 0x3c, 0xa9, 0xef, 0x6e, 0x4a, |
| 0x2b, 0x64, 0xfe, 0x1e, 0x9a, 0x17, 0xb6, 0x14, |
| 0x25, 0xf1, 0x0d, 0x47, 0xa7, 0x5a, 0x5f, 0xce, |
| 0x13, 0xef, 0xc6, 0xbc, 0x78, 0x4a, 0xf2, 0x4f, |
| 0x41, 0x41, 0xbd, 0xd4, 0x8c, 0xf7, 0xc7, 0x70, |
| 0x88, 0x7a, 0xfd, 0x57, 0x3c, 0xca, 0x54, 0x18, |
| 0xa9, 0xae, 0xff, 0xcd, 0x7c, 0x5c, 0xed, 0xdf, |
| 0xc6, 0xa7, 0x83, 0x97, 0xb9, 0xa8, 0x5b, 0x49, |
| 0x9d, 0xa5, 0x58, 0x25, 0x72, 0x67, 0xca, 0xab, |
| 0x2a, 0xd0, 0xb2, 0x3c, 0xa4, 0x76, 0xa5, 0x3c, |
| 0xb1, 0x7f, 0xb4, 0x1c, 0x4b, 0x8b, 0x47, 0x5c, |
| 0xb4, 0xf3, 0xf7, 0x16, 0x50, 0x94, 0xc2, 0x29, |
| 0xc9, 0xe8, 0xc4, 0xdc, 0x0a, 0x2a, 0x5f, 0xf1, |
| 0x90, 0x3e, 0x50, 0x15, 0x11, 0x22, 0x13, 0x76, |
| 0xa1, 0xcd, 0xb8, 0x36, 0x4c, 0x50, 0x61, 0xa2, |
| 0x0c, 0xae, 0x74, 0xbc, 0x4a, 0xcd, 0x76, 0xce, |
| 0xb0, 0xab, 0xc9, 0xfd, 0x32, 0x17, 0xef, 0x9f, |
| 0x8c, 0x90, 0xbe, 0x40, 0x2d, 0xdf, 0x6d, 0x86, |
| 0x97, 0xf4, 0xf8, 0x80, 0xdf, 0xf1, 0x5b, 0xfb, |
| 0x7a, 0x6b, 0x28, 0x24, 0x1e, 0xc8, 0xfe, 0x18, |
| 0x3c, 0x2d, 0x59, 0xe3, 0xf9, 0xdf, 0xff, 0x65, |
| 0x3c, 0x71, 0x26, 0xf0, 0xac, 0xb9, 0xe6, 0x42, |
| 0x11, 0xf4, 0x2b, 0xae, 0x12, 0xaf, 0x46, 0x2b, |
| 0x10, 0x70, 0xbe, 0xf1, 0xab, 0x5e, 0x36, 0x06, |
| 0x87, 0x2c, 0xa1, 0x0d, 0xee, 0x15, 0xb3, 0x24, |
| 0x9b, 0x1a, 0x1b, 0x95, 0x8f, 0x23, 0x13, 0x4c, |
| 0x4b, 0xcc, 0xb7, 0xd0, 0x32, 0x00, 0xbc, 0xe4, |
| 0x20, 0xa2, 0xf8, 0xeb, 0x66, 0xdc, 0xf3, 0x64, |
| 0x4d, 0x14, 0x23, 0xc1, 0xb5, 0x69, 0x90, 0x03, |
| 0xc1, 0x3e, 0xce, 0xf4, 0xbf, 0x38, 0xa3, 0xb6, |
| 0x0e, 0xed, 0xc3, 0x40, 0x33, 0xba, 0xc1, 0x90, |
| 0x27, 0x83, 0xdc, 0x6d, 0x89, 0xe2, 0xe7, 0x74, |
| 0x18, 0x8a, 0x43, 0x9c, 0x7e, 0xbc, 0xc0, 0x67, |
| 0x2d, 0xbd, 0xa4, 0xdd, 0xcf, 0xb2, 0x79, 0x46, |
| 0x13, 0xb0, 0xbe, 0x41, 0x31, 0x5e, 0xf7, 0x78, |
| 0x70, 0x8a, 0x70, 0xee, 0x7d, 0x75, 0x16, 0x5c, |
| }; |
| static const uint8_t tag7[] = { |
| 0x8b, 0x30, 0x7f, 0x6b, 0x33, 0x28, 0x6d, 0x0a, |
| 0xb0, 0x26, 0xa9, 0xed, 0x3f, 0xe1, 0xe8, 0x5f, |
| }; |
| |
| TEST_ASSERT(!test_aes_gcm_raw(key1, sizeof(key1), |
| plain1, cipher1, sizeof(plain1), |
| nonce1, sizeof(nonce1), tag1, sizeof(tag1))); |
| TEST_ASSERT(!test_aes_gcm_raw(key2, sizeof(key2), |
| plain2, cipher2, sizeof(plain2), |
| nonce2, sizeof(nonce2), tag2, sizeof(tag2))); |
| TEST_ASSERT(!test_aes_gcm_raw(key3, sizeof(key3), |
| plain3, cipher3, sizeof(plain3), |
| nonce3, sizeof(nonce3), tag3, sizeof(tag3))); |
| TEST_ASSERT(!test_aes_gcm_raw(key4, sizeof(key4), |
| plain4, cipher4, sizeof(plain4), |
| nonce4, sizeof(nonce4), tag4, sizeof(tag4))); |
| TEST_ASSERT(!test_aes_gcm_raw(key5, sizeof(key5), |
| plain5, cipher5, sizeof(plain5), |
| nonce5, sizeof(nonce5), tag5, sizeof(tag5))); |
| TEST_ASSERT(!test_aes_gcm_raw(key6, sizeof(key6), |
| plain6, cipher6, sizeof(plain6), |
| nonce6, sizeof(nonce6), tag6, sizeof(tag6))); |
| TEST_ASSERT(!test_aes_gcm_raw(key7, sizeof(key7), |
| plain7, cipher7, sizeof(plain7), |
| nonce7, sizeof(nonce7), tag7, sizeof(tag7))); |
| |
| return EC_SUCCESS; |
| } |
| |
| static void test_aes_gcm_speed(void) |
| { |
| int i; |
| static const uint8_t key[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| const int key_size = sizeof(key); |
| static const uint8_t plaintext[512] = { 0 }; |
| const int plaintext_size = sizeof(plaintext); |
| static const uint8_t nonce[] = { |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| }; |
| const int nonce_size = sizeof(nonce); |
| uint8_t tag[16] = {0}; |
| const int tag_size = sizeof(tag); |
| |
| uint8_t *out = tmp; |
| static AES_KEY aes_key; |
| static GCM128_CONTEXT ctx; |
| timestamp_t t0, t1; |
| |
| assert(plaintext_size <= sizeof(tmp)); |
| |
| t0 = get_time(); |
| for (i = 0; i < 1000; i++) { |
| AES_set_encrypt_key(key, 8 * key_size, &aes_key); |
| CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f)AES_encrypt, 0); |
| CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_size); |
| CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext, out, |
| plaintext_size); |
| CRYPTO_gcm128_tag(&ctx, tag, tag_size); |
| } |
| t1 = get_time(); |
| ccprintf("AES-GCM duration %lld us\n", (long long)(t1.val - t0.val)); |
| } |
| |
| static int test_aes_raw(const uint8_t *key, int key_size, |
| const uint8_t *plaintext, const uint8_t *ciphertext) |
| { |
| AES_KEY aes_key; |
| uint8_t *block = tmp; |
| |
| TEST_ASSERT(AES_BLOCK_SIZE <= sizeof(tmp)); |
| |
| TEST_ASSERT(AES_set_encrypt_key(key, 8 * key_size, &aes_key) == 0); |
| |
| /* Test encryption. */ |
| AES_encrypt(plaintext, block, &aes_key); |
| TEST_ASSERT_ARRAY_EQ(ciphertext, block, AES_BLOCK_SIZE); |
| |
| /* Test in-place encryption. */ |
| memcpy(block, plaintext, AES_BLOCK_SIZE); |
| AES_encrypt(block, block, &aes_key); |
| TEST_ASSERT_ARRAY_EQ(ciphertext, block, AES_BLOCK_SIZE); |
| |
| TEST_ASSERT(AES_set_decrypt_key(key, 8 * key_size, &aes_key) == 0); |
| |
| /* Test decryption. */ |
| AES_decrypt(ciphertext, block, &aes_key); |
| TEST_ASSERT_ARRAY_EQ(plaintext, block, AES_BLOCK_SIZE); |
| |
| /* Test in-place decryption. */ |
| memcpy(block, ciphertext, AES_BLOCK_SIZE); |
| AES_decrypt(block, block, &aes_key); |
| TEST_ASSERT_ARRAY_EQ(plaintext, block, AES_BLOCK_SIZE); |
| |
| return EC_SUCCESS; |
| } |
| |
| static int test_aes(void) |
| { |
| /* Test vectors from FIPS-197, Appendix C. */ |
| static const uint8_t key1[] = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| }; |
| static const uint8_t plain1[] = { |
| 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
| 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
| }; |
| static const uint8_t cipher1[] = { |
| 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30, |
| 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a, |
| }; |
| |
| static const uint8_t key2[] = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| }; |
| static const uint8_t plain2[] = { |
| 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
| 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
| }; |
| static const uint8_t cipher2[] = { |
| 0xdd, 0xa9, 0x7c, 0xa4, 0x86, 0x4c, 0xdf, 0xe0, |
| 0x6e, 0xaf, 0x70, 0xa0, 0xec, 0x0d, 0x71, 0x91, |
| }; |
| |
| static const uint8_t key3[] = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
| }; |
| static const uint8_t plain3[] = { |
| 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
| 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
| }; |
| static const uint8_t cipher3[] = { |
| 0x8e, 0xa2, 0xb7, 0xca, 0x51, 0x67, 0x45, 0xbf, |
| 0xea, 0xfc, 0x49, 0x90, 0x4b, 0x49, 0x60, 0x89, |
| }; |
| |
| TEST_ASSERT(!test_aes_raw(key1, sizeof(key1), plain1, cipher1)); |
| TEST_ASSERT(!test_aes_raw(key2, sizeof(key2), plain2, cipher2)); |
| TEST_ASSERT(!test_aes_raw(key3, sizeof(key3), plain3, cipher3)); |
| |
| return EC_SUCCESS; |
| } |
| |
| static void test_aes_speed(void) |
| { |
| int i; |
| /* Test vectors from FIPS-197, Appendix C. */ |
| static const uint8_t key[] __aligned(4) = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| }; |
| const int key_size = sizeof(key); |
| static const uint8_t plaintext[] __aligned(4) = { |
| 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, |
| 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, |
| }; |
| |
| AES_KEY aes_key; |
| uint8_t block[AES_BLOCK_SIZE]; |
| timestamp_t t0, t1; |
| |
| AES_set_encrypt_key(key, 8 * key_size, &aes_key); |
| AES_encrypt(plaintext, block, &aes_key); |
| t0 = get_time(); |
| for (i = 0; i < 1000; i++) |
| AES_encrypt(block, block, &aes_key); |
| t1 = get_time(); |
| ccprintf("AES duration %lld us\n", (long long)(t1.val - t0.val)); |
| } |
| |
| void run_test(int argc, char **argv) |
| { |
| watchdog_reload(); |
| |
| /* do not check result, just as a benchmark */ |
| test_aes_speed(); |
| |
| watchdog_reload(); |
| RUN_TEST(test_aes); |
| |
| /* do not check result, just as a benchmark */ |
| test_aes_gcm_speed(); |
| |
| watchdog_reload(); |
| RUN_TEST(test_aes_gcm); |
| |
| test_print_result(); |
| } |