1 /* 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef HEADER_RSA_H 11 # define HEADER_RSA_H 12 13 # include <openssl/opensslconf.h> 14 15 # ifndef OPENSSL_NO_RSA 16 # include <openssl/asn1.h> 17 # include <openssl/bio.h> 18 # include <openssl/crypto.h> 19 # include <openssl/ossl_typ.h> 20 # if OPENSSL_API_COMPAT < 0x10100000L 21 # include <openssl/bn.h> 22 # endif 23 # include <openssl/rsaerr.h> 24 # ifdef __cplusplus 25 extern "C" { 26 # endif 27 28 /* The types RSA and RSA_METHOD are defined in ossl_typ.h */ 29 30 # ifndef OPENSSL_RSA_MAX_MODULUS_BITS 31 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384 32 # endif 33 34 # define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024 35 36 # ifndef OPENSSL_RSA_SMALL_MODULUS_BITS 37 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072 38 # endif 39 # ifndef OPENSSL_RSA_MAX_PUBEXP_BITS 40 41 /* exponent limit enforced for "large" modulus only */ 42 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64 43 # endif 44 45 # define RSA_3 0x3L 46 # define RSA_F4 0x10001L 47 48 /* based on RFC 8017 appendix A.1.2 */ 49 # define RSA_ASN1_VERSION_DEFAULT 0 50 # define RSA_ASN1_VERSION_MULTI 1 51 52 # define RSA_DEFAULT_PRIME_NUM 2 53 54 # define RSA_METHOD_FLAG_NO_CHECK 0x0001/* don't check pub/private 55 * match */ 56 57 # define RSA_FLAG_CACHE_PUBLIC 0x0002 58 # define RSA_FLAG_CACHE_PRIVATE 0x0004 59 # define RSA_FLAG_BLINDING 0x0008 60 # define RSA_FLAG_THREAD_SAFE 0x0010 61 /* 62 * This flag means the private key operations will be handled by rsa_mod_exp 63 * and that they do not depend on the private key components being present: 64 * for example a key stored in external hardware. Without this flag 65 * bn_mod_exp gets called when private key components are absent. 66 */ 67 # define RSA_FLAG_EXT_PKEY 0x0020 68 69 /* 70 * new with 0.9.6j and 0.9.7b; the built-in 71 * RSA implementation now uses blinding by 72 * default (ignoring RSA_FLAG_BLINDING), 73 * but other engines might not need it 74 */ 75 # define RSA_FLAG_NO_BLINDING 0x0080 76 # if OPENSSL_API_COMPAT < 0x10100000L 77 /* 78 * Does nothing. Previously this switched off constant time behaviour. 79 */ 80 # define RSA_FLAG_NO_CONSTTIME 0x0000 81 # endif 82 # if OPENSSL_API_COMPAT < 0x00908000L 83 /* deprecated name for the flag*/ 84 /* 85 * new with 0.9.7h; the built-in RSA 86 * implementation now uses constant time 87 * modular exponentiation for secret exponents 88 * by default. This flag causes the 89 * faster variable sliding window method to 90 * be used for all exponents. 91 */ 92 # define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME 93 # endif 94 95 # define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \ 96 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL) 97 98 # define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \ 99 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad) 100 101 # define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \ 102 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 103 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 104 /* Salt length matches digest */ 105 # define RSA_PSS_SALTLEN_DIGEST -1 106 /* Verify only: auto detect salt length */ 107 # define RSA_PSS_SALTLEN_AUTO -2 108 /* Set salt length to maximum possible */ 109 # define RSA_PSS_SALTLEN_MAX -3 110 /* Old compatible max salt length for sign only */ 111 # define RSA_PSS_SALTLEN_MAX_SIGN -2 112 113 # define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \ 114 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 115 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 116 117 # define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \ 118 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 119 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen) 120 121 # define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \ 122 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 123 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL) 124 125 # define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \ 126 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 127 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp) 128 129 # define EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, primes) \ 130 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 131 EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES, primes, NULL) 132 133 # define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \ 134 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 135 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 136 137 # define EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \ 138 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 139 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 140 141 # define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \ 142 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 143 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md)) 144 145 # define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \ 146 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 147 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd)) 148 149 # define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \ 150 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 151 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd)) 152 153 # define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \ 154 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 155 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l)) 156 157 # define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \ 158 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 159 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l)) 160 161 # define EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \ 162 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, \ 163 EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD, \ 164 0, (void *)(md)) 165 166 # define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1) 167 # define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2) 168 169 # define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3) 170 # define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4) 171 # define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5) 172 173 # define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6) 174 # define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7) 175 # define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8) 176 177 # define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9) 178 # define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10) 179 180 # define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11) 181 # define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12) 182 183 # define EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES (EVP_PKEY_ALG_CTRL + 13) 184 185 # define RSA_PKCS1_PADDING 1 186 # define RSA_SSLV23_PADDING 2 187 # define RSA_NO_PADDING 3 188 # define RSA_PKCS1_OAEP_PADDING 4 189 # define RSA_X931_PADDING 5 190 /* EVP_PKEY_ only */ 191 # define RSA_PKCS1_PSS_PADDING 6 192 193 # define RSA_PKCS1_PADDING_SIZE 11 194 195 # define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg) 196 # define RSA_get_app_data(s) RSA_get_ex_data(s,0) 197 198 RSA *RSA_new(void); 199 RSA *RSA_new_method(ENGINE *engine); 200 int RSA_bits(const RSA *rsa); 201 int RSA_size(const RSA *rsa); 202 int RSA_security_bits(const RSA *rsa); 203 204 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d); 205 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q); 206 int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp); 207 int RSA_set0_multi_prime_params(RSA *r, BIGNUM *primes[], BIGNUM *exps[], 208 BIGNUM *coeffs[], int pnum); 209 void RSA_get0_key(const RSA *r, 210 const BIGNUM **n, const BIGNUM **e, const BIGNUM **d); 211 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q); 212 int RSA_get_multi_prime_extra_count(const RSA *r); 213 int RSA_get0_multi_prime_factors(const RSA *r, const BIGNUM *primes[]); 214 void RSA_get0_crt_params(const RSA *r, 215 const BIGNUM **dmp1, const BIGNUM **dmq1, 216 const BIGNUM **iqmp); 217 int RSA_get0_multi_prime_crt_params(const RSA *r, const BIGNUM *exps[], 218 const BIGNUM *coeffs[]); 219 const BIGNUM *RSA_get0_n(const RSA *d); 220 const BIGNUM *RSA_get0_e(const RSA *d); 221 const BIGNUM *RSA_get0_d(const RSA *d); 222 const BIGNUM *RSA_get0_p(const RSA *d); 223 const BIGNUM *RSA_get0_q(const RSA *d); 224 const BIGNUM *RSA_get0_dmp1(const RSA *r); 225 const BIGNUM *RSA_get0_dmq1(const RSA *r); 226 const BIGNUM *RSA_get0_iqmp(const RSA *r); 227 const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r); 228 void RSA_clear_flags(RSA *r, int flags); 229 int RSA_test_flags(const RSA *r, int flags); 230 void RSA_set_flags(RSA *r, int flags); 231 int RSA_get_version(RSA *r); 232 ENGINE *RSA_get0_engine(const RSA *r); 233 234 /* Deprecated version */ 235 DEPRECATEDIN_0_9_8(RSA *RSA_generate_key(int bits, unsigned long e, void 236 (*callback) (int, int, void *), 237 void *cb_arg)) 238 239 /* New version */ 240 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 241 /* Multi-prime version */ 242 int RSA_generate_multi_prime_key(RSA *rsa, int bits, int primes, 243 BIGNUM *e, BN_GENCB *cb); 244 245 int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, 246 BIGNUM *q2, const BIGNUM *Xp1, const BIGNUM *Xp2, 247 const BIGNUM *Xp, const BIGNUM *Xq1, const BIGNUM *Xq2, 248 const BIGNUM *Xq, const BIGNUM *e, BN_GENCB *cb); 249 int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e, 250 BN_GENCB *cb); 251 252 int RSA_check_key(const RSA *); 253 int RSA_check_key_ex(const RSA *, BN_GENCB *cb); 254 /* next 4 return -1 on error */ 255 int RSA_public_encrypt(int flen, const unsigned char *from, 256 unsigned char *to, RSA *rsa, int padding); 257 int RSA_private_encrypt(int flen, const unsigned char *from, 258 unsigned char *to, RSA *rsa, int padding); 259 int RSA_public_decrypt(int flen, const unsigned char *from, 260 unsigned char *to, RSA *rsa, int padding); 261 int RSA_private_decrypt(int flen, const unsigned char *from, 262 unsigned char *to, RSA *rsa, int padding); 263 void RSA_free(RSA *r); 264 /* "up" the RSA object's reference count */ 265 int RSA_up_ref(RSA *r); 266 267 int RSA_flags(const RSA *r); 268 269 void RSA_set_default_method(const RSA_METHOD *meth); 270 const RSA_METHOD *RSA_get_default_method(void); 271 const RSA_METHOD *RSA_null_method(void); 272 const RSA_METHOD *RSA_get_method(const RSA *rsa); 273 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth); 274 275 /* these are the actual RSA functions */ 276 const RSA_METHOD *RSA_PKCS1_OpenSSL(void); 277 278 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2); 279 280 DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey) 281 DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey) 282 283 struct rsa_pss_params_st { 284 X509_ALGOR *hashAlgorithm; 285 X509_ALGOR *maskGenAlgorithm; 286 ASN1_INTEGER *saltLength; 287 ASN1_INTEGER *trailerField; 288 /* Decoded hash algorithm from maskGenAlgorithm */ 289 X509_ALGOR *maskHash; 290 }; 291 292 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS) 293 294 typedef struct rsa_oaep_params_st { 295 X509_ALGOR *hashFunc; 296 X509_ALGOR *maskGenFunc; 297 X509_ALGOR *pSourceFunc; 298 /* Decoded hash algorithm from maskGenFunc */ 299 X509_ALGOR *maskHash; 300 } RSA_OAEP_PARAMS; 301 302 DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS) 303 304 # ifndef OPENSSL_NO_STDIO 305 int RSA_print_fp(FILE *fp, const RSA *r, int offset); 306 # endif 307 308 int RSA_print(BIO *bp, const RSA *r, int offset); 309 310 /* 311 * The following 2 functions sign and verify a X509_SIG ASN1 object inside 312 * PKCS#1 padded RSA encryption 313 */ 314 int RSA_sign(int type, const unsigned char *m, unsigned int m_length, 315 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 316 int RSA_verify(int type, const unsigned char *m, unsigned int m_length, 317 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 318 319 /* 320 * The following 2 function sign and verify a ASN1_OCTET_STRING object inside 321 * PKCS#1 padded RSA encryption 322 */ 323 int RSA_sign_ASN1_OCTET_STRING(int type, 324 const unsigned char *m, unsigned int m_length, 325 unsigned char *sigret, unsigned int *siglen, 326 RSA *rsa); 327 int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m, 328 unsigned int m_length, unsigned char *sigbuf, 329 unsigned int siglen, RSA *rsa); 330 331 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx); 332 void RSA_blinding_off(RSA *rsa); 333 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx); 334 335 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, 336 const unsigned char *f, int fl); 337 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, 338 const unsigned char *f, int fl, 339 int rsa_len); 340 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, 341 const unsigned char *f, int fl); 342 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, 343 const unsigned char *f, int fl, 344 int rsa_len); 345 int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed, 346 long seedlen, const EVP_MD *dgst); 347 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen, 348 const unsigned char *f, int fl, 349 const unsigned char *p, int pl); 350 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen, 351 const unsigned char *f, int fl, int rsa_len, 352 const unsigned char *p, int pl); 353 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 354 const unsigned char *from, int flen, 355 const unsigned char *param, int plen, 356 const EVP_MD *md, const EVP_MD *mgf1md); 357 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 358 const unsigned char *from, int flen, 359 int num, const unsigned char *param, 360 int plen, const EVP_MD *md, 361 const EVP_MD *mgf1md); 362 int RSA_padding_add_SSLv23(unsigned char *to, int tlen, 363 const unsigned char *f, int fl); 364 int RSA_padding_check_SSLv23(unsigned char *to, int tlen, 365 const unsigned char *f, int fl, int rsa_len); 366 int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f, 367 int fl); 368 int RSA_padding_check_none(unsigned char *to, int tlen, 369 const unsigned char *f, int fl, int rsa_len); 370 int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f, 371 int fl); 372 int RSA_padding_check_X931(unsigned char *to, int tlen, 373 const unsigned char *f, int fl, int rsa_len); 374 int RSA_X931_hash_id(int nid); 375 376 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash, 377 const EVP_MD *Hash, const unsigned char *EM, 378 int sLen); 379 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM, 380 const unsigned char *mHash, const EVP_MD *Hash, 381 int sLen); 382 383 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash, 384 const EVP_MD *Hash, const EVP_MD *mgf1Hash, 385 const unsigned char *EM, int sLen); 386 387 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM, 388 const unsigned char *mHash, 389 const EVP_MD *Hash, const EVP_MD *mgf1Hash, 390 int sLen); 391 392 #define RSA_get_ex_new_index(l, p, newf, dupf, freef) \ 393 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef) 394 int RSA_set_ex_data(RSA *r, int idx, void *arg); 395 void *RSA_get_ex_data(const RSA *r, int idx); 396 397 RSA *RSAPublicKey_dup(RSA *rsa); 398 RSA *RSAPrivateKey_dup(RSA *rsa); 399 400 /* 401 * If this flag is set the RSA method is FIPS compliant and can be used in 402 * FIPS mode. This is set in the validated module method. If an application 403 * sets this flag in its own methods it is its responsibility to ensure the 404 * result is compliant. 405 */ 406 407 # define RSA_FLAG_FIPS_METHOD 0x0400 408 409 /* 410 * If this flag is set the operations normally disabled in FIPS mode are 411 * permitted it is then the applications responsibility to ensure that the 412 * usage is compliant. 413 */ 414 415 # define RSA_FLAG_NON_FIPS_ALLOW 0x0400 416 /* 417 * Application has decided PRNG is good enough to generate a key: don't 418 * check. 419 */ 420 # define RSA_FLAG_CHECKED 0x0800 421 422 RSA_METHOD *RSA_meth_new(const char *name, int flags); 423 void RSA_meth_free(RSA_METHOD *meth); 424 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth); 425 const char *RSA_meth_get0_name(const RSA_METHOD *meth); 426 int RSA_meth_set1_name(RSA_METHOD *meth, const char *name); 427 int RSA_meth_get_flags(const RSA_METHOD *meth); 428 int RSA_meth_set_flags(RSA_METHOD *meth, int flags); 429 void *RSA_meth_get0_app_data(const RSA_METHOD *meth); 430 int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data); 431 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth)) 432 (int flen, const unsigned char *from, 433 unsigned char *to, RSA *rsa, int padding); 434 int RSA_meth_set_pub_enc(RSA_METHOD *rsa, 435 int (*pub_enc) (int flen, const unsigned char *from, 436 unsigned char *to, RSA *rsa, 437 int padding)); 438 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth)) 439 (int flen, const unsigned char *from, 440 unsigned char *to, RSA *rsa, int padding); 441 int RSA_meth_set_pub_dec(RSA_METHOD *rsa, 442 int (*pub_dec) (int flen, const unsigned char *from, 443 unsigned char *to, RSA *rsa, 444 int padding)); 445 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth)) 446 (int flen, const unsigned char *from, 447 unsigned char *to, RSA *rsa, int padding); 448 int RSA_meth_set_priv_enc(RSA_METHOD *rsa, 449 int (*priv_enc) (int flen, const unsigned char *from, 450 unsigned char *to, RSA *rsa, 451 int padding)); 452 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth)) 453 (int flen, const unsigned char *from, 454 unsigned char *to, RSA *rsa, int padding); 455 int RSA_meth_set_priv_dec(RSA_METHOD *rsa, 456 int (*priv_dec) (int flen, const unsigned char *from, 457 unsigned char *to, RSA *rsa, 458 int padding)); 459 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth)) 460 (BIGNUM *r0, const BIGNUM *i, RSA *rsa, BN_CTX *ctx); 461 int RSA_meth_set_mod_exp(RSA_METHOD *rsa, 462 int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa, 463 BN_CTX *ctx)); 464 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth)) 465 (BIGNUM *r, const BIGNUM *a, const BIGNUM *p, 466 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); 467 int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa, 468 int (*bn_mod_exp) (BIGNUM *r, 469 const BIGNUM *a, 470 const BIGNUM *p, 471 const BIGNUM *m, 472 BN_CTX *ctx, 473 BN_MONT_CTX *m_ctx)); 474 int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa); 475 int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa)); 476 int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa); 477 int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa)); 478 int (*RSA_meth_get_sign(const RSA_METHOD *meth)) 479 (int type, 480 const unsigned char *m, unsigned int m_length, 481 unsigned char *sigret, unsigned int *siglen, 482 const RSA *rsa); 483 int RSA_meth_set_sign(RSA_METHOD *rsa, 484 int (*sign) (int type, const unsigned char *m, 485 unsigned int m_length, 486 unsigned char *sigret, unsigned int *siglen, 487 const RSA *rsa)); 488 int (*RSA_meth_get_verify(const RSA_METHOD *meth)) 489 (int dtype, const unsigned char *m, 490 unsigned int m_length, const unsigned char *sigbuf, 491 unsigned int siglen, const RSA *rsa); 492 int RSA_meth_set_verify(RSA_METHOD *rsa, 493 int (*verify) (int dtype, const unsigned char *m, 494 unsigned int m_length, 495 const unsigned char *sigbuf, 496 unsigned int siglen, const RSA *rsa)); 497 int (*RSA_meth_get_keygen(const RSA_METHOD *meth)) 498 (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 499 int RSA_meth_set_keygen(RSA_METHOD *rsa, 500 int (*keygen) (RSA *rsa, int bits, BIGNUM *e, 501 BN_GENCB *cb)); 502 int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth)) 503 (RSA *rsa, int bits, int primes, BIGNUM *e, BN_GENCB *cb); 504 int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth, 505 int (*keygen) (RSA *rsa, int bits, 506 int primes, BIGNUM *e, 507 BN_GENCB *cb)); 508 509 # ifdef __cplusplus 510 } 511 # endif 512 # endif 513 #endif 514