1 /* $OpenBSD: rsa.h,v 1.67 2025/01/25 17:59:44 tb Exp $ */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #ifndef HEADER_RSA_H 60 #define HEADER_RSA_H 61 62 #include <openssl/opensslconf.h> 63 64 #include <openssl/asn1.h> 65 66 #ifndef OPENSSL_NO_BIO 67 #include <openssl/bio.h> 68 #endif 69 #include <openssl/bn.h> 70 #include <openssl/crypto.h> 71 72 #include <openssl/ossl_typ.h> 73 74 #ifdef __cplusplus 75 extern "C" { 76 #endif 77 78 struct rsa_pss_params_st { 79 X509_ALGOR *hashAlgorithm; 80 X509_ALGOR *maskGenAlgorithm; 81 ASN1_INTEGER *saltLength; 82 ASN1_INTEGER *trailerField; 83 84 /* Hash algorithm decoded from maskGenAlgorithm. */ 85 X509_ALGOR *maskHash; 86 } /* RSA_PSS_PARAMS */; 87 88 typedef struct rsa_oaep_params_st { 89 X509_ALGOR *hashFunc; 90 X509_ALGOR *maskGenFunc; 91 X509_ALGOR *pSourceFunc; 92 93 /* Hash algorithm decoded from maskGenFunc. */ 94 X509_ALGOR *maskHash; 95 } RSA_OAEP_PARAMS; 96 97 #ifndef OPENSSL_RSA_MAX_MODULUS_BITS 98 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384 99 #endif 100 101 #ifndef OPENSSL_RSA_SMALL_MODULUS_BITS 102 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072 103 #endif 104 #ifndef OPENSSL_RSA_MAX_PUBEXP_BITS 105 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */ 106 #endif 107 108 #define RSA_3 0x3L 109 #define RSA_F4 0x10001L 110 111 /* Don't check pub/private match. */ 112 #define RSA_METHOD_FLAG_NO_CHECK 0x0001 113 114 #define RSA_FLAG_CACHE_PUBLIC 0x0002 115 #define RSA_FLAG_CACHE_PRIVATE 0x0004 116 #define RSA_FLAG_BLINDING 0x0008 117 #define RSA_FLAG_THREAD_SAFE 0x0010 118 119 /* 120 * This flag means the private key operations will be handled by rsa_mod_exp 121 * and that they do not depend on the private key components being present: 122 * for example a key stored in external hardware. Without this flag bn_mod_exp 123 * gets called when private key components are absent. 124 */ 125 #define RSA_FLAG_EXT_PKEY 0x0020 126 127 /* 128 * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions. 129 */ 130 #define RSA_FLAG_SIGN_VER 0x0040 131 132 /* 133 * The built-in RSA implementation uses blinding by default, but other engines 134 * might not need it. 135 */ 136 #define RSA_FLAG_NO_BLINDING 0x0080 137 138 /* Salt length matches digest */ 139 #define RSA_PSS_SALTLEN_DIGEST -1 140 /* Verify only: auto detect salt length */ 141 #define RSA_PSS_SALTLEN_AUTO -2 142 /* Set salt length to maximum possible */ 143 #define RSA_PSS_SALTLEN_MAX -3 144 145 #define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \ 146 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL) 147 148 #define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \ 149 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad) 150 151 #define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \ 152 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 153 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 154 155 #define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \ 156 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 157 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 158 159 #define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \ 160 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 161 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen) 162 163 #define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \ 164 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 165 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL) 166 167 #define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \ 168 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 169 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp) 170 171 #define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \ 172 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 173 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 174 175 #define EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \ 176 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 177 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 178 179 #define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \ 180 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 181 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md)) 182 183 #define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \ 184 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 185 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd)) 186 187 #define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \ 188 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 189 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd)) 190 191 #define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \ 192 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 193 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l)) 194 195 #define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \ 196 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 197 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l)) 198 199 #define EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \ 200 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, \ 201 EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD, 0, (void *)(md)) 202 203 #define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1) 204 #define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2) 205 206 #define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3) 207 #define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4) 208 #define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5) 209 210 #define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6) 211 #define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7) 212 #define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8) 213 214 #define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9) 215 #define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10) 216 217 #define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11) 218 #define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12) 219 220 #define RSA_PKCS1_PADDING 1 221 #define RSA_SSLV23_PADDING 2 222 #define RSA_NO_PADDING 3 223 #define RSA_PKCS1_OAEP_PADDING 4 224 /* rust-openssl and erlang expose this and salt even uses it. */ 225 #define RSA_X931_PADDING 5 226 /* EVP_PKEY_ only */ 227 #define RSA_PKCS1_PSS_PADDING 6 228 229 #define RSA_PKCS1_PADDING_SIZE 11 230 231 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg) 232 #define RSA_get_app_data(s) RSA_get_ex_data(s,0) 233 234 RSA *RSA_new(void); 235 RSA *RSA_new_method(ENGINE *engine); 236 int RSA_bits(const RSA *rsa); 237 int RSA_size(const RSA *rsa); 238 239 /* 240 * Wrapped in OPENSSL_NO_DEPRECATED in 0.9.8. Still used for libressl bindings 241 * in rust-openssl. 242 */ 243 RSA *RSA_generate_key(int bits, unsigned long e, 244 void (*callback)(int, int, void *), void *cb_arg); 245 246 /* New version */ 247 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 248 249 int RSA_check_key(const RSA *); 250 /* next 4 return -1 on error */ 251 int RSA_public_encrypt(int flen, const unsigned char *from, 252 unsigned char *to, RSA *rsa, int padding); 253 int RSA_private_encrypt(int flen, const unsigned char *from, 254 unsigned char *to, RSA *rsa, int padding); 255 int RSA_public_decrypt(int flen, const unsigned char *from, 256 unsigned char *to, RSA *rsa, int padding); 257 int RSA_private_decrypt(int flen, const unsigned char *from, 258 unsigned char *to, RSA *rsa, int padding); 259 void RSA_free(RSA *r); 260 /* "up" the RSA object's reference count */ 261 int RSA_up_ref(RSA *r); 262 263 int RSA_flags(const RSA *r); 264 265 void RSA_set_default_method(const RSA_METHOD *meth); 266 const RSA_METHOD *RSA_get_default_method(void); 267 const RSA_METHOD *RSA_get_method(const RSA *rsa); 268 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth); 269 270 const RSA_METHOD *RSA_PKCS1_OpenSSL(void); 271 const RSA_METHOD *RSA_PKCS1_SSLeay(void); 272 273 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2); 274 275 RSA *d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len); 276 int i2d_RSAPublicKey(const RSA *a, unsigned char **out); 277 extern const ASN1_ITEM RSAPublicKey_it; 278 RSA *d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len); 279 int i2d_RSAPrivateKey(const RSA *a, unsigned char **out); 280 extern const ASN1_ITEM RSAPrivateKey_it; 281 282 RSA_PSS_PARAMS *RSA_PSS_PARAMS_new(void); 283 void RSA_PSS_PARAMS_free(RSA_PSS_PARAMS *a); 284 RSA_PSS_PARAMS *d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS **a, const unsigned char **in, long len); 285 int i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS *a, unsigned char **out); 286 extern const ASN1_ITEM RSA_PSS_PARAMS_it; 287 288 RSA_OAEP_PARAMS *RSA_OAEP_PARAMS_new(void); 289 void RSA_OAEP_PARAMS_free(RSA_OAEP_PARAMS *a); 290 RSA_OAEP_PARAMS *d2i_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS **a, const unsigned char **in, long len); 291 int i2d_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS *a, unsigned char **out); 292 extern const ASN1_ITEM RSA_OAEP_PARAMS_it; 293 294 int RSA_print_fp(FILE *fp, const RSA *r, int offset); 295 296 #ifndef OPENSSL_NO_BIO 297 int RSA_print(BIO *bp, const RSA *r, int offset); 298 #endif 299 300 /* The following 2 functions sign and verify a X509_SIG ASN1 object 301 * inside PKCS#1 padded RSA encryption */ 302 int RSA_sign(int type, const unsigned char *m, unsigned int m_length, 303 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 304 int RSA_verify(int type, const unsigned char *m, unsigned int m_length, 305 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 306 307 /* The following 2 function sign and verify a ASN1_OCTET_STRING 308 * object inside PKCS#1 padded RSA encryption */ 309 int RSA_sign_ASN1_OCTET_STRING(int type, const unsigned char *m, 310 unsigned int m_length, unsigned char *sigret, unsigned int *siglen, 311 RSA *rsa); 312 int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m, 313 unsigned int m_length, unsigned char *sigbuf, unsigned int siglen, 314 RSA *rsa); 315 316 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx); 317 void RSA_blinding_off(RSA *rsa); 318 319 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, 320 const unsigned char *f, int fl); 321 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, 322 const unsigned char *f, int fl, int rsa_len); 323 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, 324 const unsigned char *f, int fl); 325 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, 326 const unsigned char *f, int fl, int rsa_len); 327 int PKCS1_MGF1(unsigned char *mask, long len, 328 const unsigned char *seed, long seedlen, const EVP_MD *dgst); 329 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen, 330 const unsigned char *f, int fl, 331 const unsigned char *p, int pl); 332 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen, 333 const unsigned char *f, int fl, int rsa_len, 334 const unsigned char *p, int pl); 335 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 336 const unsigned char *from, int flen, const unsigned char *param, int plen, 337 const EVP_MD *md, const EVP_MD *mgf1md); 338 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 339 const unsigned char *from, int flen, int num, const unsigned char *param, 340 int plen, const EVP_MD *md, const EVP_MD *mgf1md); 341 int RSA_padding_add_none(unsigned char *to, int tlen, 342 const unsigned char *f, int fl); 343 int RSA_padding_check_none(unsigned char *to, int tlen, 344 const unsigned char *f, int fl, int rsa_len); 345 346 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash, 347 const EVP_MD *Hash, const unsigned char *EM, int sLen); 348 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM, 349 const unsigned char *mHash, const EVP_MD *Hash, int sLen); 350 351 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash, 352 const EVP_MD *Hash, const EVP_MD *mgf1Hash, const unsigned char *EM, 353 int sLen); 354 355 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM, 356 const unsigned char *mHash, const EVP_MD *Hash, const EVP_MD *mgf1Hash, 357 int sLen); 358 359 int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 360 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 361 int RSA_set_ex_data(RSA *r, int idx, void *arg); 362 void *RSA_get_ex_data(const RSA *r, int idx); 363 364 int RSA_security_bits(const RSA *rsa); 365 366 void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, 367 const BIGNUM **d); 368 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d); 369 void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, 370 const BIGNUM **iqmp); 371 int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp); 372 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q); 373 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q); 374 const BIGNUM *RSA_get0_n(const RSA *r); 375 const BIGNUM *RSA_get0_e(const RSA *r); 376 const BIGNUM *RSA_get0_d(const RSA *r); 377 const BIGNUM *RSA_get0_p(const RSA *r); 378 const BIGNUM *RSA_get0_q(const RSA *r); 379 const BIGNUM *RSA_get0_dmp1(const RSA *r); 380 const BIGNUM *RSA_get0_dmq1(const RSA *r); 381 const BIGNUM *RSA_get0_iqmp(const RSA *r); 382 const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r); 383 void RSA_clear_flags(RSA *r, int flags); 384 int RSA_test_flags(const RSA *r, int flags); 385 void RSA_set_flags(RSA *r, int flags); 386 387 RSA *RSAPublicKey_dup(RSA *rsa); 388 RSA *RSAPrivateKey_dup(RSA *rsa); 389 390 /* If this flag is set the RSA method is FIPS compliant and can be used 391 * in FIPS mode. This is set in the validated module method. If an 392 * application sets this flag in its own methods it is its responsibility 393 * to ensure the result is compliant. 394 */ 395 396 #define RSA_FLAG_FIPS_METHOD 0x0400 397 398 /* If this flag is set the operations normally disabled in FIPS mode are 399 * permitted it is then the applications responsibility to ensure that the 400 * usage is compliant. 401 */ 402 403 #define RSA_FLAG_NON_FIPS_ALLOW 0x0400 404 /* Application has decided PRNG is good enough to generate a key: don't 405 * check. 406 */ 407 #define RSA_FLAG_CHECKED 0x0800 408 409 RSA_METHOD *RSA_meth_new(const char *name, int flags); 410 void RSA_meth_free(RSA_METHOD *meth); 411 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth); 412 int RSA_meth_set1_name(RSA_METHOD *meth, const char *name); 413 int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen, 414 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 415 int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen, 416 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 417 int (*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa); 418 int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa)); 419 int RSA_meth_set_pub_enc(RSA_METHOD *meth, int (*pub_enc)(int flen, 420 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 421 int RSA_meth_set_pub_dec(RSA_METHOD *meth, int (*pub_dec)(int flen, 422 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 423 int RSA_meth_set_mod_exp(RSA_METHOD *meth, int (*mod_exp)(BIGNUM *r0, 424 const BIGNUM *i, RSA *rsa, BN_CTX *ctx)); 425 int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)(BIGNUM *r, 426 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 427 BN_MONT_CTX *m_ctx)); 428 int RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa)); 429 int RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)(RSA *rsa, int bits, 430 BIGNUM *e, BN_GENCB *cb)); 431 int RSA_meth_set_flags(RSA_METHOD *meth, int flags); 432 int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data); 433 const char *RSA_meth_get0_name(const RSA_METHOD *); 434 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))(int flen, 435 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 436 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))(int flen, 437 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 438 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))(int flen, 439 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 440 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))(int flen, 441 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 442 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))(BIGNUM *r0, const BIGNUM *i, 443 RSA *rsa, BN_CTX *ctx); 444 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))(BIGNUM *r, 445 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 446 BN_MONT_CTX *m_ctx); 447 int (*RSA_meth_get_init(const RSA_METHOD *meth))(RSA *rsa); 448 int (*RSA_meth_get_keygen(const RSA_METHOD *meth))(RSA *rsa, int bits, BIGNUM *e, 449 BN_GENCB *cb); 450 int RSA_meth_get_flags(const RSA_METHOD *meth); 451 void *RSA_meth_get0_app_data(const RSA_METHOD *meth); 452 int (*RSA_meth_get_sign(const RSA_METHOD *meth))(int type, 453 const unsigned char *m, unsigned int m_length, 454 unsigned char *sigret, unsigned int *siglen, 455 const RSA *rsa); 456 int RSA_meth_set_sign(RSA_METHOD *rsa, int (*sign)(int type, 457 const unsigned char *m, unsigned int m_length, unsigned char *sigret, 458 unsigned int *siglen, const RSA *rsa)); 459 int (*RSA_meth_get_verify(const RSA_METHOD *meth))(int dtype, 460 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf, 461 unsigned int siglen, const RSA *rsa); 462 int RSA_meth_set_verify(RSA_METHOD *rsa, int (*verify)(int dtype, 463 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf, 464 unsigned int siglen, const RSA *rsa)); 465 466 467 void ERR_load_RSA_strings(void); 468 469 /* Error codes for the RSA functions. */ 470 471 /* Function codes. */ 472 #define RSA_F_CHECK_PADDING_MD 140 473 #define RSA_F_DO_RSA_PRINT 146 474 #define RSA_F_INT_RSA_VERIFY 145 475 #define RSA_F_MEMORY_LOCK 100 476 #define RSA_F_OLD_RSA_PRIV_DECODE 147 477 #define RSA_F_PKEY_RSA_CTRL 143 478 #define RSA_F_PKEY_RSA_CTRL_STR 144 479 #define RSA_F_PKEY_RSA_SIGN 142 480 #define RSA_F_PKEY_RSA_VERIFY 154 481 #define RSA_F_PKEY_RSA_VERIFYRECOVER 141 482 #define RSA_F_RSA_BUILTIN_KEYGEN 129 483 #define RSA_F_RSA_CHECK_KEY 123 484 #define RSA_F_RSA_EAY_MOD_EXP 157 485 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101 486 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102 487 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103 488 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104 489 #define RSA_F_RSA_GENERATE_KEY 105 490 #define RSA_F_RSA_GENERATE_KEY_EX 155 491 #define RSA_F_RSA_ITEM_VERIFY 156 492 #define RSA_F_RSA_MEMORY_LOCK 130 493 #define RSA_F_RSA_NEW_METHOD 106 494 #define RSA_F_RSA_NULL 124 495 #define RSA_F_RSA_NULL_MOD_EXP 131 496 #define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132 497 #define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133 498 #define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134 499 #define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135 500 #define RSA_F_RSA_PADDING_ADD_NONE 107 501 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121 502 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125 503 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148 504 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108 505 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109 506 #define RSA_F_RSA_PADDING_ADD_X931 127 507 #define RSA_F_RSA_PADDING_CHECK_NONE 111 508 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122 509 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112 510 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113 511 #define RSA_F_RSA_PADDING_CHECK_X931 128 512 #define RSA_F_RSA_PRINT 115 513 #define RSA_F_RSA_PRINT_FP 116 514 #define RSA_F_RSA_PRIVATE_DECRYPT 150 515 #define RSA_F_RSA_PRIVATE_ENCRYPT 151 516 #define RSA_F_RSA_PRIV_DECODE 137 517 #define RSA_F_RSA_PRIV_ENCODE 138 518 #define RSA_F_RSA_PUBLIC_DECRYPT 152 519 #define RSA_F_RSA_PUBLIC_ENCRYPT 153 520 #define RSA_F_RSA_PUB_DECODE 139 521 #define RSA_F_RSA_SETUP_BLINDING 136 522 #define RSA_F_RSA_SIGN 117 523 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118 524 #define RSA_F_RSA_VERIFY 119 525 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120 526 #define RSA_F_RSA_VERIFY_PKCS1_PSS 126 527 #define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149 528 529 /* Reason codes. */ 530 #define RSA_R_ALGORITHM_MISMATCH 100 531 #define RSA_R_BAD_E_VALUE 101 532 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102 533 #define RSA_R_BAD_PAD_BYTE_COUNT 103 534 #define RSA_R_BAD_SIGNATURE 104 535 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106 536 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107 537 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108 538 #define RSA_R_DATA_TOO_LARGE 109 539 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110 540 #define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132 541 #define RSA_R_DATA_TOO_SMALL 111 542 #define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122 543 #define RSA_R_DIGEST_DOES_NOT_MATCH 158 544 #define RSA_R_DIGEST_NOT_ALLOWED 145 545 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112 546 #define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124 547 #define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125 548 #define RSA_R_D_E_NOT_CONGRUENT_TO_1 123 549 #define RSA_R_FIRST_OCTET_INVALID 133 550 #define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144 551 #define RSA_R_INVALID_DIGEST 157 552 #define RSA_R_INVALID_DIGEST_LENGTH 143 553 #define RSA_R_INVALID_HEADER 137 554 #define RSA_R_INVALID_KEYBITS 145 555 #define RSA_R_INVALID_LABEL 160 556 #define RSA_R_INVALID_MESSAGE_LENGTH 131 557 #define RSA_R_INVALID_MGF1_MD 156 558 #define RSA_R_INVALID_OAEP_PARAMETERS 161 559 #define RSA_R_INVALID_PADDING 138 560 #define RSA_R_INVALID_PADDING_MODE 141 561 #define RSA_R_INVALID_PSS_PARAMETERS 149 562 #define RSA_R_INVALID_PSS_SALTLEN 146 563 #define RSA_R_INVALID_SALT_LENGTH 150 564 #define RSA_R_INVALID_TRAILER 139 565 #define RSA_R_INVALID_X931_DIGEST 142 566 #define RSA_R_IQMP_NOT_INVERSE_OF_Q 126 567 #define RSA_R_KEY_SIZE_TOO_SMALL 120 568 #define RSA_R_LAST_OCTET_INVALID 134 569 #define RSA_R_MODULUS_TOO_LARGE 105 570 #define RSA_R_MGF1_DIGEST_NOT_ALLOWED 152 571 #define RSA_R_NON_FIPS_RSA_METHOD 157 572 #define RSA_R_NO_PUBLIC_EXPONENT 140 573 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113 574 #define RSA_R_N_DOES_NOT_EQUAL_P_Q 127 575 #define RSA_R_OAEP_DECODING_ERROR 121 576 #define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158 577 #define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148 578 #define RSA_R_PADDING_CHECK_FAILED 114 579 #define RSA_R_PSS_SALTLEN_TOO_SMALL 164 580 #define RSA_R_P_NOT_PRIME 128 581 #define RSA_R_Q_NOT_PRIME 129 582 #define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130 583 #define RSA_R_SLEN_CHECK_FAILED 136 584 #define RSA_R_SLEN_RECOVERY_FAILED 135 585 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115 586 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116 587 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117 588 #define RSA_R_UNKNOWN_DIGEST 166 589 #define RSA_R_UNKNOWN_MASK_DIGEST 151 590 #define RSA_R_UNKNOWN_PADDING_TYPE 118 591 #define RSA_R_UNKNOWN_PSS_DIGEST 152 592 #define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 162 593 #define RSA_R_UNSUPPORTED_LABEL_SOURCE 163 594 #define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153 595 #define RSA_R_UNSUPPORTED_MASK_PARAMETER 154 596 #define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155 597 #define RSA_R_VALUE_MISSING 147 598 #define RSA_R_WRONG_SIGNATURE_LENGTH 119 599 600 #ifdef __cplusplus 601 } 602 #endif 603 #endif 604