298 lines
11 KiB
C
298 lines
11 KiB
C
/* bn.h
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* bn.h for openssl */
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/*!
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\file wolfssl/openssl/bn.h
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\brief bn.h for openssl
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*/
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#ifndef WOLFSSL_BN_H_
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#define WOLFSSL_BN_H_
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#include <wolfssl/wolfcrypt/types.h>
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#include <wolfssl/wolfcrypt/wolfmath.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct WOLFSSL_BIGNUM {
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int neg; /* openssh deference */
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void *internal; /* our big num */
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mp_int mpi;
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} WOLFSSL_BIGNUM;
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#define WOLFSSL_BN_ULONG unsigned long
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#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
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#define BN_ULONG WOLFSSL_BN_ULONG
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#endif
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#ifndef WOLFSSL_MAX_BN_BITS
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#if defined(WOLFSSL_SP_MATH_ALL) || defined(WOLFSSL_SP_MATH)
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/* SP implementation supports numbers of SP_INT_BITS bits. */
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#define WOLFSSL_MAX_BN_BITS SP_INT_BITS
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#elif defined(USE_FAST_MATH)
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/* FP implementation support numbers up to FP_MAX_BITS / 2 bits. */
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#define WOLFSSL_MAX_BN_BITS (FP_MAX_BITS / 2)
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#else
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#ifdef WOLFSSL_MYSQL_COMPATIBLE
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/* Integer maths is dynamic but we only go up to 8192 bits. */
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#define WOLFSSL_MAX_BN_BITS 8192
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#else
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/* Integer maths is dynamic but we only go up to 4096 bits. */
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#define WOLFSSL_MAX_BN_BITS 4096
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#endif
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#endif
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#endif
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#define WOLFSSL_BN_RAND_TOP_ANY (-1)
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#define WOLFSSL_BN_RAND_TOP_ONE 0
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#define WOLFSSL_BN_RAND_TOP_TWO 1
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#define WOLFSSL_BN_RAND_BOTTOM_ANY 0
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#define WOLFSSL_BN_RAND_BOTTOM_ODD 1
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#define WOLFSSL_BN_MAX_VAL ((BN_ULONG)-1)
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typedef struct WOLFSSL_BN_CTX WOLFSSL_BN_CTX;
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typedef struct WOLFSSL_BN_GENCB WOLFSSL_BN_GENCB;
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WOLFSSL_API WOLFSSL_BN_CTX* wolfSSL_BN_CTX_new(void);
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WOLFSSL_API void wolfSSL_BN_CTX_init(WOLFSSL_BN_CTX* ctx);
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WOLFSSL_API void wolfSSL_BN_CTX_free(WOLFSSL_BN_CTX* ctx);
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WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_new(void);
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#if !defined(USE_INTEGER_HEAP_MATH) && !defined(HAVE_WOLF_BIGINT)
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WOLFSSL_API void wolfSSL_BN_init(WOLFSSL_BIGNUM* bn);
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#endif
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WOLFSSL_API void wolfSSL_BN_free(WOLFSSL_BIGNUM* bn);
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WOLFSSL_API void wolfSSL_BN_clear_free(WOLFSSL_BIGNUM* bn);
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WOLFSSL_API void wolfSSL_BN_clear(WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_sub(WOLFSSL_BIGNUM* r, const WOLFSSL_BIGNUM* a,
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const WOLFSSL_BIGNUM* b);
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WOLFSSL_API int wolfSSL_BN_mul(WOLFSSL_BIGNUM *r, WOLFSSL_BIGNUM *a,
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WOLFSSL_BIGNUM *b, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API int wolfSSL_BN_div(WOLFSSL_BIGNUM* dv, WOLFSSL_BIGNUM* rem,
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const WOLFSSL_BIGNUM* a, const WOLFSSL_BIGNUM* d,
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WOLFSSL_BN_CTX* ctx);
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#if defined(WOLFSSL_KEY_GEN) && !defined(NO_RSA)
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WOLFSSL_API int wolfSSL_BN_gcd(WOLFSSL_BIGNUM* r, WOLFSSL_BIGNUM* a,
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WOLFSSL_BIGNUM* b, WOLFSSL_BN_CTX* ctx);
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#endif
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WOLFSSL_API int wolfSSL_BN_mod(WOLFSSL_BIGNUM* r, const WOLFSSL_BIGNUM* a,
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const WOLFSSL_BIGNUM* b, const WOLFSSL_BN_CTX* c);
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WOLFSSL_API int wolfSSL_BN_mod_exp(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a,
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const WOLFSSL_BIGNUM *p, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API int wolfSSL_BN_mod_mul(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a,
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const WOLFSSL_BIGNUM *p, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API const WOLFSSL_BIGNUM* wolfSSL_BN_value_one(void);
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WOLFSSL_API int wolfSSL_BN_num_bytes(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_num_bits(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API void wolfSSL_BN_zero(WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_one(WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_is_zero(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_is_one(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_is_odd(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_is_negative(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_is_word(const WOLFSSL_BIGNUM* bn, WOLFSSL_BN_ULONG w);
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WOLFSSL_API int wolfSSL_BN_cmp(const WOLFSSL_BIGNUM* a, const WOLFSSL_BIGNUM* b);
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WOLFSSL_API int wolfSSL_BN_bn2bin(const WOLFSSL_BIGNUM* bn, unsigned char* r);
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WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_bin2bn(const unsigned char* str, int len,
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WOLFSSL_BIGNUM* ret);
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WOLFSSL_API int wolfSSL_mask_bits(WOLFSSL_BIGNUM* bn, int n);
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WOLFSSL_API int wolfSSL_BN_pseudo_rand(WOLFSSL_BIGNUM* bn, int bits, int top,
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int bottom);
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WOLFSSL_API int wolfSSL_BN_rand_range(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *range);
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WOLFSSL_API int wolfSSL_BN_rand(WOLFSSL_BIGNUM* bn, int bits, int top, int bottom);
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WOLFSSL_API int wolfSSL_BN_is_bit_set(const WOLFSSL_BIGNUM* bn, int n);
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WOLFSSL_API int wolfSSL_BN_hex2bn(WOLFSSL_BIGNUM** bn, const char* str);
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WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_dup(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_copy(WOLFSSL_BIGNUM* r,
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const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_dec2bn(WOLFSSL_BIGNUM** bn, const char* str);
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WOLFSSL_API char* wolfSSL_BN_bn2dec(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_lshift(WOLFSSL_BIGNUM* r, const WOLFSSL_BIGNUM* bn,
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int n);
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WOLFSSL_API int wolfSSL_BN_add_word(WOLFSSL_BIGNUM* bn, WOLFSSL_BN_ULONG w);
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WOLFSSL_API int wolfSSL_BN_sub_word(WOLFSSL_BIGNUM* bn, WOLFSSL_BN_ULONG w);
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WOLFSSL_API int wolfSSL_BN_set_bit(WOLFSSL_BIGNUM* bn, int n);
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WOLFSSL_API int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM* bn, int n);
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WOLFSSL_API int wolfSSL_BN_set_word(WOLFSSL_BIGNUM* bn, WOLFSSL_BN_ULONG w);
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WOLFSSL_API WOLFSSL_BN_ULONG wolfSSL_BN_get_word(const WOLFSSL_BIGNUM* bn);
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WOLFSSL_API int wolfSSL_BN_add(WOLFSSL_BIGNUM* r, WOLFSSL_BIGNUM* a,
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WOLFSSL_BIGNUM* b);
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WOLFSSL_API int wolfSSL_BN_mod_add(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a,
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const WOLFSSL_BIGNUM *b, const WOLFSSL_BIGNUM *m,
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WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API char *wolfSSL_BN_bn2hex(const WOLFSSL_BIGNUM* bn);
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#if defined(WOLFSSL_KEY_GEN) && (!defined(NO_RSA) || !defined(NO_DH) || !defined(NO_DSA))
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WOLFSSL_API int wolfSSL_BN_generate_prime_ex(
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WOLFSSL_BIGNUM* prime, int bits, int safe, const WOLFSSL_BIGNUM* add,
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const WOLFSSL_BIGNUM* rem, WOLFSSL_BN_GENCB* cb);
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WOLFSSL_API int wolfSSL_BN_is_prime_ex(const WOLFSSL_BIGNUM *bn, int nbchecks,
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WOLFSSL_BN_CTX *ctx, WOLFSSL_BN_GENCB *cb);
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WOLFSSL_API WOLFSSL_BN_ULONG wolfSSL_BN_mod_word(const WOLFSSL_BIGNUM *bn,
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WOLFSSL_BN_ULONG w);
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#endif
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#if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)
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WOLFSSL_API int wolfSSL_BN_print_fp(XFILE fp, const WOLFSSL_BIGNUM *bn);
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#endif
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WOLFSSL_API int wolfSSL_BN_rshift(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *bn,
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int n);
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WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_BN_CTX_get(WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API void wolfSSL_BN_CTX_start(WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_BN_mod_inverse(
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WOLFSSL_BIGNUM *r,
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WOLFSSL_BIGNUM *a,
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const WOLFSSL_BIGNUM *n,
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WOLFSSL_BN_CTX *ctx);
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#if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
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#define BN_RAND_TOP_ANY WOLFSSL_BN_RAND_TOP_ANY
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#define BN_RAND_TOP_ONE WOLFSSL_BN_RAND_TOP_ONE
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#define BN_RAND_TOP_TWO WOLFSSL_BN_RAND_TOP_TWO
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#define BN_RAND_BOTTOM_ANY WOLFSSL_BN_RAND_BOTTOM_ANY
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#define BN_RAND_BOTTOM_ODD WOLFSSL_BN_RAND_BOTTOM_ODD
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typedef WOLFSSL_BIGNUM BIGNUM;
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typedef WOLFSSL_BN_CTX BN_CTX;
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typedef WOLFSSL_BN_GENCB BN_GENCB;
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#define BN_CTX_new wolfSSL_BN_CTX_new
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#define BN_CTX_init wolfSSL_BN_CTX_init
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#define BN_CTX_free wolfSSL_BN_CTX_free
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#define BN_new wolfSSL_BN_new
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#if !defined(USE_INTEGER_HEAP_MATH) && !defined(HAVE_WOLF_BIGINT)
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#define BN_init wolfSSL_BN_init
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#endif
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#define BN_free wolfSSL_BN_free
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#define BN_clear_free wolfSSL_BN_clear_free
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#define BN_clear wolfSSL_BN_clear
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#define BN_num_bytes wolfSSL_BN_num_bytes
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#define BN_num_bits wolfSSL_BN_num_bits
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#define BN_zero wolfSSL_BN_zero
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#define BN_one wolfSSL_BN_one
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#define BN_is_zero wolfSSL_BN_is_zero
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#define BN_is_one wolfSSL_BN_is_one
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#define BN_is_odd wolfSSL_BN_is_odd
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#define BN_is_negative wolfSSL_BN_is_negative
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#define BN_is_word wolfSSL_BN_is_word
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#define BN_cmp wolfSSL_BN_cmp
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#define BN_bn2bin wolfSSL_BN_bn2bin
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#define BN_bin2bn wolfSSL_BN_bin2bn
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#define BN_mod wolfSSL_BN_mod
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#define BN_mod_exp wolfSSL_BN_mod_exp
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#define BN_mod_mul wolfSSL_BN_mod_mul
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#define BN_sub wolfSSL_BN_sub
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#define BN_mul wolfSSL_BN_mul
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#define BN_div wolfSSL_BN_div
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#define BN_gcd wolfSSL_BN_gcd
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#define BN_value_one wolfSSL_BN_value_one
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#define BN_mask_bits wolfSSL_mask_bits
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#define BN_pseudo_rand wolfSSL_BN_pseudo_rand
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#define BN_rand wolfSSL_BN_rand
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#define BN_rand_range wolfSSL_BN_rand_range
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#define BN_is_bit_set wolfSSL_BN_is_bit_set
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#define BN_hex2bn wolfSSL_BN_hex2bn
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#define BN_dup wolfSSL_BN_dup
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#define BN_copy wolfSSL_BN_copy
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#define BN_get_word wolfSSL_BN_get_word
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#define BN_set_word wolfSSL_BN_set_word
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#define BN_dec2bn wolfSSL_BN_dec2bn
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#define BN_bn2dec wolfSSL_BN_bn2dec
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#define BN_bn2hex wolfSSL_BN_bn2hex
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#define BN_lshift wolfSSL_BN_lshift
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#define BN_add_word wolfSSL_BN_add_word
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#define BN_sub_word wolfSSL_BN_sub_word
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#define BN_add wolfSSL_BN_add
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#define BN_mod_add wolfSSL_BN_mod_add
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#define BN_set_word wolfSSL_BN_set_word
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#define BN_set_bit wolfSSL_BN_set_bit
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#define BN_clear_bit wolfSSL_BN_clear_bit
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#define BN_generate_prime_ex wolfSSL_BN_generate_prime_ex
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#define BN_is_prime_ex wolfSSL_BN_is_prime_ex
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#define BN_print_fp wolfSSL_BN_print_fp
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#define BN_rshift wolfSSL_BN_rshift
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#define BN_rshift1(r, a) wolfSSL_BN_rshift((r), (a), 1)
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#define BN_mod_word wolfSSL_BN_mod_word
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#define BN_CTX_get wolfSSL_BN_CTX_get
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#define BN_CTX_start wolfSSL_BN_CTX_start
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#define BN_mod_inverse wolfSSL_BN_mod_inverse
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#define BN_set_flags(x1, x2) WC_DO_NOTHING
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#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L
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#define BN_get_rfc2409_prime_768 wolfSSL_DH_768_prime
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#define BN_get_rfc2409_prime_1024 wolfSSL_DH_1024_prime
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#define BN_get_rfc3526_prime_1536 wolfSSL_DH_1536_prime
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#define BN_get_rfc3526_prime_2048 wolfSSL_DH_2048_prime
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#define BN_get_rfc3526_prime_3072 wolfSSL_DH_3072_prime
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#define BN_get_rfc3526_prime_4096 wolfSSL_DH_4096_prime
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#define BN_get_rfc3526_prime_6144 wolfSSL_DH_6144_prime
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#define BN_get_rfc3526_prime_8192 wolfSSL_DH_8192_prime
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#endif
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#define BN_prime_checks 0
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#endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* WOLFSSL__H_ */
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