1 /* bn.h 2 * 3 * Copyright (C) 2006-2021 wolfSSL Inc. 4 * 5 * This file is part of wolfSSL. 6 * 7 * wolfSSL is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * wolfSSL is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA 20 */ 21 22 /* bn.h for openssl */ 23 24 /*! 25 \file wolfssl/openssl/bn.h 26 \brief bn.h for openssl 27 */ 28 29 30 #ifndef WOLFSSL_BN_H_ 31 #define WOLFSSL_BN_H_ 32 33 #include <wolfssl/wolfcrypt/settings.h> 34 #include <wolfssl/wolfcrypt/integer.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 typedef struct WOLFSSL_BIGNUM { 41 int neg; /* openssh deference */ 42 void *internal; /* our big num */ 43 #if defined(WOLFSSL_SP_MATH) || defined(WOLFSSL_SP_MATH_ALL) 44 sp_int fp; 45 #elif defined(USE_FAST_MATH) && !defined(HAVE_WOLF_BIGINT) 46 fp_int fp; 47 #endif 48 } WOLFSSL_BIGNUM; 49 50 #define BN_ULONG WOLFSSL_BN_ULONG 51 #define WOLFSSL_BN_ULONG unsigned long 52 53 typedef struct WOLFSSL_BN_CTX WOLFSSL_BN_CTX; 54 typedef struct WOLFSSL_BN_GENCB WOLFSSL_BN_GENCB; 55 56 WOLFSSL_API WOLFSSL_BN_CTX* wolfSSL_BN_CTX_new(void); 57 WOLFSSL_API void wolfSSL_BN_CTX_init(WOLFSSL_BN_CTX*); 58 WOLFSSL_API void wolfSSL_BN_CTX_free(WOLFSSL_BN_CTX*); 59 60 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_new(void); 61 #if defined(USE_FAST_MATH) && !defined(HAVE_WOLF_BIGINT) 62 WOLFSSL_API void wolfSSL_BN_init(WOLFSSL_BIGNUM *); 63 #endif 64 WOLFSSL_API void wolfSSL_BN_free(WOLFSSL_BIGNUM*); 65 WOLFSSL_API void wolfSSL_BN_clear_free(WOLFSSL_BIGNUM*); 66 WOLFSSL_API void wolfSSL_BN_clear(WOLFSSL_BIGNUM*); 67 68 69 WOLFSSL_API int wolfSSL_BN_sub(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, 70 const WOLFSSL_BIGNUM*); 71 WOLFSSL_API int wolfSSL_BN_mul(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*, 72 WOLFSSL_BIGNUM*, WOLFSSL_BN_CTX*); 73 WOLFSSL_API int wolfSSL_BN_div(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*, 74 const WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, WOLFSSL_BN_CTX*); 75 #if defined(WOLFSSL_KEY_GEN) && !defined(NO_RSA) 76 WOLFSSL_API int wolfSSL_BN_gcd(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*, 77 WOLFSSL_BIGNUM*, WOLFSSL_BN_CTX*); 78 #endif 79 WOLFSSL_API int wolfSSL_BN_mod(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, 80 const WOLFSSL_BIGNUM*, const WOLFSSL_BN_CTX*); 81 WOLFSSL_API int wolfSSL_BN_mod_exp(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a, 82 const WOLFSSL_BIGNUM *p, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx); 83 WOLFSSL_API int wolfSSL_BN_mod_mul(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a, 84 const WOLFSSL_BIGNUM *b, const WOLFSSL_BIGNUM *m, WOLFSSL_BN_CTX *ctx); 85 WOLFSSL_API const WOLFSSL_BIGNUM* wolfSSL_BN_value_one(void); 86 87 88 WOLFSSL_API int wolfSSL_BN_num_bytes(const WOLFSSL_BIGNUM*); 89 WOLFSSL_API int wolfSSL_BN_num_bits(const WOLFSSL_BIGNUM*); 90 91 WOLFSSL_API void wolfSSL_BN_zero(WOLFSSL_BIGNUM*); 92 WOLFSSL_API int wolfSSL_BN_one(WOLFSSL_BIGNUM*); 93 WOLFSSL_API int wolfSSL_BN_is_zero(const WOLFSSL_BIGNUM*); 94 WOLFSSL_API int wolfSSL_BN_is_one(const WOLFSSL_BIGNUM*); 95 WOLFSSL_API int wolfSSL_BN_is_odd(const WOLFSSL_BIGNUM*); 96 WOLFSSL_API int wolfSSL_BN_is_negative(const WOLFSSL_BIGNUM*); 97 WOLFSSL_API int wolfSSL_BN_is_word(const WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG); 98 99 WOLFSSL_API int wolfSSL_BN_cmp(const WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*); 100 101 WOLFSSL_API int wolfSSL_BN_bn2bin(const WOLFSSL_BIGNUM*, unsigned char*); 102 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_bin2bn(const unsigned char*, int len, 103 WOLFSSL_BIGNUM* ret); 104 105 WOLFSSL_API int wolfSSL_mask_bits(WOLFSSL_BIGNUM*, int n); 106 107 WOLFSSL_API int wolfSSL_BN_pseudo_rand(WOLFSSL_BIGNUM*, int bits, int top, 108 int bottom); 109 WOLFSSL_API int wolfSSL_BN_rand_range(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *range); 110 WOLFSSL_API int wolfSSL_BN_rand(WOLFSSL_BIGNUM*, int bits, int top, int bottom); 111 WOLFSSL_API int wolfSSL_BN_is_bit_set(const WOLFSSL_BIGNUM*, int n); 112 WOLFSSL_API int wolfSSL_BN_hex2bn(WOLFSSL_BIGNUM**, const char* str); 113 114 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_dup(const WOLFSSL_BIGNUM*); 115 WOLFSSL_API WOLFSSL_BIGNUM* wolfSSL_BN_copy(WOLFSSL_BIGNUM*, 116 const WOLFSSL_BIGNUM*); 117 118 WOLFSSL_API int wolfSSL_BN_dec2bn(WOLFSSL_BIGNUM**, const char* str); 119 WOLFSSL_API char* wolfSSL_BN_bn2dec(const WOLFSSL_BIGNUM*); 120 121 WOLFSSL_API int wolfSSL_BN_lshift(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, int); 122 WOLFSSL_API int wolfSSL_BN_add_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG); 123 WOLFSSL_API int wolfSSL_BN_sub_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG); 124 WOLFSSL_API int wolfSSL_BN_set_bit(WOLFSSL_BIGNUM*, int); 125 WOLFSSL_API int wolfSSL_BN_clear_bit(WOLFSSL_BIGNUM*, int); 126 WOLFSSL_API int wolfSSL_BN_set_word(WOLFSSL_BIGNUM*, WOLFSSL_BN_ULONG); 127 WOLFSSL_API WOLFSSL_BN_ULONG wolfSSL_BN_get_word(const WOLFSSL_BIGNUM*); 128 129 WOLFSSL_API int wolfSSL_BN_add(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*, 130 WOLFSSL_BIGNUM*); 131 WOLFSSL_API int wolfSSL_BN_mod_add(WOLFSSL_BIGNUM *r, const WOLFSSL_BIGNUM *a, 132 const WOLFSSL_BIGNUM *b, const WOLFSSL_BIGNUM *m, 133 WOLFSSL_BN_CTX *ctx); 134 WOLFSSL_API char *wolfSSL_BN_bn2hex(const WOLFSSL_BIGNUM*); 135 #if defined(WOLFSSL_KEY_GEN) && (!defined(NO_RSA) || !defined(NO_DH) || !defined(NO_DSA)) 136 WOLFSSL_API int wolfSSL_BN_generate_prime_ex(WOLFSSL_BIGNUM*, int, int, 137 const WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, WOLFSSL_BN_GENCB*); 138 WOLFSSL_API int wolfSSL_BN_is_prime_ex(const WOLFSSL_BIGNUM*, int, 139 WOLFSSL_BN_CTX*, WOLFSSL_BN_GENCB*); 140 WOLFSSL_API WOLFSSL_BN_ULONG wolfSSL_BN_mod_word(const WOLFSSL_BIGNUM*, 141 WOLFSSL_BN_ULONG); 142 #endif 143 #if !defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM) 144 WOLFSSL_API int wolfSSL_BN_print_fp(XFILE, const WOLFSSL_BIGNUM*); 145 #endif 146 WOLFSSL_API int wolfSSL_BN_rshift(WOLFSSL_BIGNUM*, const WOLFSSL_BIGNUM*, int); 147 WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_BN_CTX_get(WOLFSSL_BN_CTX *ctx); 148 WOLFSSL_API void wolfSSL_BN_CTX_start(WOLFSSL_BN_CTX *ctx); 149 WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_BN_mod_inverse(WOLFSSL_BIGNUM*, WOLFSSL_BIGNUM*, 150 const WOLFSSL_BIGNUM*, WOLFSSL_BN_CTX *ctx); 151 152 typedef WOLFSSL_BIGNUM BIGNUM; 153 typedef WOLFSSL_BN_CTX BN_CTX; 154 typedef WOLFSSL_BN_GENCB BN_GENCB; 155 156 #define BN_CTX_new wolfSSL_BN_CTX_new 157 #define BN_CTX_init wolfSSL_BN_CTX_init 158 #define BN_CTX_free wolfSSL_BN_CTX_free 159 160 #define BN_new wolfSSL_BN_new 161 #define BN_init wolfSSL_BN_init 162 #define BN_free wolfSSL_BN_free 163 #define BN_clear_free wolfSSL_BN_clear_free 164 #define BN_clear wolfSSL_BN_clear 165 166 #define BN_num_bytes wolfSSL_BN_num_bytes 167 #define BN_num_bits wolfSSL_BN_num_bits 168 169 #define BN_zero wolfSSL_BN_zero 170 #define BN_one wolfSSL_BN_one 171 #define BN_is_zero wolfSSL_BN_is_zero 172 #define BN_is_one wolfSSL_BN_is_one 173 #define BN_is_odd wolfSSL_BN_is_odd 174 #define BN_is_negative wolfSSL_BN_is_negative 175 #define BN_is_word wolfSSL_BN_is_word 176 177 #define BN_cmp wolfSSL_BN_cmp 178 179 #define BN_bn2bin wolfSSL_BN_bn2bin 180 #define BN_bin2bn wolfSSL_BN_bin2bn 181 182 #define BN_mod wolfSSL_BN_mod 183 #define BN_mod_exp wolfSSL_BN_mod_exp 184 #define BN_mod_mul wolfSSL_BN_mod_mul 185 #define BN_sub wolfSSL_BN_sub 186 #define BN_mul wolfSSL_BN_mul 187 #define BN_div wolfSSL_BN_div 188 #define BN_gcd wolfSSL_BN_gcd 189 #define BN_value_one wolfSSL_BN_value_one 190 191 #define BN_mask_bits wolfSSL_mask_bits 192 193 #define BN_pseudo_rand wolfSSL_BN_pseudo_rand 194 #define BN_rand wolfSSL_BN_rand 195 #define BN_rand_range wolfSSL_BN_rand_range 196 #define BN_is_bit_set wolfSSL_BN_is_bit_set 197 #define BN_hex2bn wolfSSL_BN_hex2bn 198 199 #define BN_dup wolfSSL_BN_dup 200 #define BN_copy wolfSSL_BN_copy 201 202 #define BN_get_word wolfSSL_BN_get_word 203 #define BN_set_word wolfSSL_BN_set_word 204 205 #define BN_dec2bn wolfSSL_BN_dec2bn 206 #define BN_bn2dec wolfSSL_BN_bn2dec 207 #define BN_bn2hex wolfSSL_BN_bn2hex 208 209 #define BN_lshift wolfSSL_BN_lshift 210 #define BN_add_word wolfSSL_BN_add_word 211 #define BN_sub_word wolfSSL_BN_sub_word 212 #define BN_add wolfSSL_BN_add 213 #define BN_mod_add wolfSSL_BN_mod_add 214 #define BN_set_word wolfSSL_BN_set_word 215 #define BN_set_bit wolfSSL_BN_set_bit 216 #define BN_clear_bit wolfSSL_BN_clear_bit 217 218 #define BN_generate_prime_ex wolfSSL_BN_generate_prime_ex 219 #define BN_is_prime_ex wolfSSL_BN_is_prime_ex 220 #define BN_print_fp wolfSSL_BN_print_fp 221 #define BN_rshift wolfSSL_BN_rshift 222 #define BN_rshift1(r, a) wolfSSL_BN_rshift((r), (a), 1) 223 #define BN_mod_word wolfSSL_BN_mod_word 224 225 #define BN_CTX_get wolfSSL_BN_CTX_get 226 #define BN_CTX_start wolfSSL_BN_CTX_start 227 228 #define BN_mod_inverse wolfSSL_BN_mod_inverse 229 230 #define BN_set_flags(x1, x2) 231 232 #if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L 233 #define BN_get_rfc2409_prime_768 wolfSSL_DH_768_prime 234 #define BN_get_rfc2409_prime_1024 wolfSSL_DH_1024_prime 235 #define BN_get_rfc3526_prime_1536 wolfSSL_DH_1536_prime 236 #define BN_get_rfc3526_prime_2048 wolfSSL_DH_2048_prime 237 #define BN_get_rfc3526_prime_3072 wolfSSL_DH_3072_prime 238 #define BN_get_rfc3526_prime_4096 wolfSSL_DH_4096_prime 239 #define BN_get_rfc3526_prime_6144 wolfSSL_DH_6144_prime 240 #define BN_get_rfc3526_prime_8192 wolfSSL_DH_8192_prime 241 #endif 242 243 #define BN_prime_checks 0 244 245 #ifdef __cplusplus 246 } /* extern "C" */ 247 #endif 248 249 250 #endif /* WOLFSSL__H_ */ 251