| /* Software-Based Trusted Platform Module (TPM) Emulator for Linux |
| * Copyright (C) 2006 Mario Strasser <mast@gmx.net>, |
| * Swiss Federal Institute of Technology (ETH) Zurich |
| * |
| * This module is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published |
| * by the Free Software Foundation; either version 2 of the License, |
| * or (at your option) any later version. |
| * |
| * This module is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * $Id$ |
| */ |
| |
| #include "bn.h" |
| |
| void tpm_bn_init(tpm_bn_t a) |
| { |
| mpz_init(a); |
| } |
| |
| void tpm_bn_init2(tpm_bn_t a, size_t nbits) |
| { |
| mpz_init2(a, nbits + + GMP_NUMB_BITS); |
| } |
| |
| void tpm_bn_init_set(tpm_bn_t a, tpm_bn_t val) |
| { |
| mpz_init_set(a, val); |
| } |
| |
| void tpm_bn_init_set_ui(tpm_bn_t a, uint32_t val) |
| { |
| mpz_init_set_ui(a, val); |
| } |
| |
| void tpm_bn_set_ui(tpm_bn_t a, uint32_t val) |
| { |
| mpz_set_ui(a, val); |
| } |
| |
| void tpm_bn_clear(tpm_bn_t a) |
| { |
| mpz_clear(a); |
| } |
| |
| void tpm_bn_swap(tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_swap(a, b); |
| } |
| |
| uint32_t tpm_bn_bitsize(tpm_bn_t a) |
| { |
| return mpz_sizeinbase(a, 2); |
| } |
| |
| void tpm_bn_import(tpm_bn_t out, size_t count, int order, const void *in) |
| { |
| mpz_import(out, count, order, 1, 0, 0, in); |
| } |
| |
| void tpm_bn_export(void *out, size_t *count, int order, tpm_bn_t in) |
| { |
| mpz_export(out, count, order, 1, 0, 0, in); |
| } |
| |
| int tpm_bn_cmp(tpm_bn_t a, tpm_bn_t b) |
| { |
| return mpz_cmp(a, b); |
| } |
| |
| int tpm_bn_cmp_ui(tpm_bn_t a, uint32_t b) |
| { |
| return mpz_cmp_ui(a, b); |
| } |
| |
| int tpm_bn_sgn(tpm_bn_t a) |
| { |
| return mpz_sgn(a); |
| } |
| |
| void tpm_bn_setbit(tpm_bn_t res, uint32_t bit) |
| { |
| mpz_setbit(res, bit); |
| } |
| |
| void tpm_bn_add(tpm_bn_t res, tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_add(res, a, b); |
| } |
| |
| void tpm_bn_add_ui(tpm_bn_t res, tpm_bn_t a, uint32_t b) |
| { |
| mpz_add_ui(res, a, b); |
| } |
| |
| void tpm_bn_sub(tpm_bn_t res, tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_sub(res, a, b); |
| } |
| |
| void tpm_bn_sub_ui(tpm_bn_t res, tpm_bn_t a, uint32_t b) |
| { |
| mpz_sub_ui(res, a, b); |
| } |
| |
| void tpm_bn_mul(tpm_bn_t res, tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_mul(res, a, b); |
| } |
| |
| void tpm_bn_mod(tpm_bn_t res, tpm_bn_t a, tpm_bn_t mod) |
| { |
| mpz_mod(res, a, mod); |
| } |
| |
| void tpm_bn_powm(tpm_bn_t res, tpm_bn_t base, tpm_bn_t exp, tpm_bn_t mod) |
| { |
| mpz_powm(res, base, exp, mod); |
| } |
| |
| void tpm_bn_ui_pow_ui(tpm_bn_t res, uint32_t base, uint32_t exp) |
| { |
| mpz_ui_pow_ui(res, base, exp); |
| } |
| |
| void tpm_bn_fdiv_q_2exp(tpm_bn_t res, tpm_bn_t n, uint32_t b) |
| { |
| mpz_fdiv_q_2exp(res, n, b); |
| } |
| |
| void tpm_bn_tdiv_q(tpm_bn_t res, tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_tdiv_q(res, a, b); |
| } |
| |
| void tpm_bn_gcd(tpm_bn_t res, tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_gcd(res, a, b); |
| } |
| |
| void tpm_bn_invert(tpm_bn_t res, tpm_bn_t a, tpm_bn_t b) |
| { |
| mpz_invert(res, a, b); |
| } |
| |
| void tpm_bn_nextprime(tpm_bn_t res, tpm_bn_t a) |
| { |
| mpz_nextprime(res, a); |
| } |
| |
| |