1 /* $OpenBSD: rsa.h,v 1.66 2024/05/19 07:12:50 jsg 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 OPENSSL_NO_RSA 75 #error RSA is disabled. 76 #endif 77 78 #ifdef __cplusplus 79 extern "C" { 80 #endif 81 82 struct rsa_pss_params_st { 83 X509_ALGOR *hashAlgorithm; 84 X509_ALGOR *maskGenAlgorithm; 85 ASN1_INTEGER *saltLength; 86 ASN1_INTEGER *trailerField; 87 88 /* Hash algorithm decoded from maskGenAlgorithm. */ 89 X509_ALGOR *maskHash; 90 } /* RSA_PSS_PARAMS */; 91 92 typedef struct rsa_oaep_params_st { 93 X509_ALGOR *hashFunc; 94 X509_ALGOR *maskGenFunc; 95 X509_ALGOR *pSourceFunc; 96 97 /* Hash algorithm decoded from maskGenFunc. */ 98 X509_ALGOR *maskHash; 99 } RSA_OAEP_PARAMS; 100 101 #ifndef OPENSSL_RSA_MAX_MODULUS_BITS 102 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384 103 #endif 104 105 #ifndef OPENSSL_RSA_SMALL_MODULUS_BITS 106 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072 107 #endif 108 #ifndef OPENSSL_RSA_MAX_PUBEXP_BITS 109 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */ 110 #endif 111 112 #define RSA_3 0x3L 113 #define RSA_F4 0x10001L 114 115 /* Don't check pub/private match. */ 116 #define RSA_METHOD_FLAG_NO_CHECK 0x0001 117 118 #define RSA_FLAG_CACHE_PUBLIC 0x0002 119 #define RSA_FLAG_CACHE_PRIVATE 0x0004 120 #define RSA_FLAG_BLINDING 0x0008 121 #define RSA_FLAG_THREAD_SAFE 0x0010 122 123 /* 124 * This flag means the private key operations will be handled by rsa_mod_exp 125 * and that they do not depend on the private key components being present: 126 * for example a key stored in external hardware. Without this flag bn_mod_exp 127 * gets called when private key components are absent. 128 */ 129 #define RSA_FLAG_EXT_PKEY 0x0020 130 131 /* 132 * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions. 133 */ 134 #define RSA_FLAG_SIGN_VER 0x0040 135 136 /* 137 * The built-in RSA implementation uses blinding by default, but other engines 138 * might not need it. 139 */ 140 #define RSA_FLAG_NO_BLINDING 0x0080 141 142 /* Salt length matches digest */ 143 #define RSA_PSS_SALTLEN_DIGEST -1 144 /* Verify only: auto detect salt length */ 145 #define RSA_PSS_SALTLEN_AUTO -2 146 /* Set salt length to maximum possible */ 147 #define RSA_PSS_SALTLEN_MAX -3 148 149 #define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \ 150 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_RSA_PADDING, pad, NULL) 151 152 #define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \ 153 RSA_pkey_ctx_ctrl(ctx, -1, EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad) 154 155 #define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \ 156 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 157 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 158 159 #define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \ 160 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 161 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL) 162 163 #define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \ 164 RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \ 165 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen) 166 167 #define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \ 168 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 169 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL) 170 171 #define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \ 172 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \ 173 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp) 174 175 #define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \ 176 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 177 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 178 179 #define EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \ 180 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \ 181 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md)) 182 183 #define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \ 184 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 185 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)(md)) 186 187 #define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \ 188 RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \ 189 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)(pmd)) 190 191 #define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \ 192 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 193 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)(pmd)) 194 195 #define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \ 196 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 197 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)(l)) 198 199 #define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \ 200 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \ 201 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)(l)) 202 203 #define EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \ 204 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, \ 205 EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD, 0, (void *)(md)) 206 207 #define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1) 208 #define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2) 209 210 #define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3) 211 #define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4) 212 #define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5) 213 214 #define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6) 215 #define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7) 216 #define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8) 217 218 #define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9) 219 #define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10) 220 221 #define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11) 222 #define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12) 223 224 #define RSA_PKCS1_PADDING 1 225 #define RSA_SSLV23_PADDING 2 226 #define RSA_NO_PADDING 3 227 #define RSA_PKCS1_OAEP_PADDING 4 228 /* rust-openssl and erlang expose this and salt even uses it. */ 229 #define RSA_X931_PADDING 5 230 /* EVP_PKEY_ only */ 231 #define RSA_PKCS1_PSS_PADDING 6 232 233 #define RSA_PKCS1_PADDING_SIZE 11 234 235 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg) 236 #define RSA_get_app_data(s) RSA_get_ex_data(s,0) 237 238 RSA *RSA_new(void); 239 RSA *RSA_new_method(ENGINE *engine); 240 int RSA_bits(const RSA *rsa); 241 int RSA_size(const RSA *rsa); 242 243 /* 244 * Wrapped in OPENSSL_NO_DEPRECATED in 0.9.8. Still used for libressl bindings 245 * in rust-openssl. 246 */ 247 RSA *RSA_generate_key(int bits, unsigned long e, 248 void (*callback)(int, int, void *), void *cb_arg); 249 250 /* New version */ 251 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); 252 253 int RSA_check_key(const RSA *); 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_get_method(const RSA *rsa); 272 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth); 273 274 const RSA_METHOD *RSA_PKCS1_OpenSSL(void); 275 const RSA_METHOD *RSA_PKCS1_SSLeay(void); 276 277 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2); 278 279 RSA *d2i_RSAPublicKey(RSA **a, const unsigned char **in, long len); 280 int i2d_RSAPublicKey(const RSA *a, unsigned char **out); 281 extern const ASN1_ITEM RSAPublicKey_it; 282 RSA *d2i_RSAPrivateKey(RSA **a, const unsigned char **in, long len); 283 int i2d_RSAPrivateKey(const RSA *a, unsigned char **out); 284 extern const ASN1_ITEM RSAPrivateKey_it; 285 286 RSA_PSS_PARAMS *RSA_PSS_PARAMS_new(void); 287 void RSA_PSS_PARAMS_free(RSA_PSS_PARAMS *a); 288 RSA_PSS_PARAMS *d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS **a, const unsigned char **in, long len); 289 int i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS *a, unsigned char **out); 290 extern const ASN1_ITEM RSA_PSS_PARAMS_it; 291 292 RSA_OAEP_PARAMS *RSA_OAEP_PARAMS_new(void); 293 void RSA_OAEP_PARAMS_free(RSA_OAEP_PARAMS *a); 294 RSA_OAEP_PARAMS *d2i_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS **a, const unsigned char **in, long len); 295 int i2d_RSA_OAEP_PARAMS(RSA_OAEP_PARAMS *a, unsigned char **out); 296 extern const ASN1_ITEM RSA_OAEP_PARAMS_it; 297 298 int RSA_print_fp(FILE *fp, const RSA *r, int offset); 299 300 #ifndef OPENSSL_NO_BIO 301 int RSA_print(BIO *bp, const RSA *r, int offset); 302 #endif 303 304 /* The following 2 functions sign and verify a X509_SIG ASN1 object 305 * inside PKCS#1 padded RSA encryption */ 306 int RSA_sign(int type, const unsigned char *m, unsigned int m_length, 307 unsigned char *sigret, unsigned int *siglen, RSA *rsa); 308 int RSA_verify(int type, const unsigned char *m, unsigned int m_length, 309 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa); 310 311 /* The following 2 function sign and verify a ASN1_OCTET_STRING 312 * object inside PKCS#1 padded RSA encryption */ 313 int RSA_sign_ASN1_OCTET_STRING(int type, const unsigned char *m, 314 unsigned int m_length, unsigned char *sigret, unsigned int *siglen, 315 RSA *rsa); 316 int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m, 317 unsigned int m_length, unsigned char *sigbuf, unsigned int siglen, 318 RSA *rsa); 319 320 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx); 321 void RSA_blinding_off(RSA *rsa); 322 323 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen, 324 const unsigned char *f, int fl); 325 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen, 326 const unsigned char *f, int fl, int rsa_len); 327 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen, 328 const unsigned char *f, int fl); 329 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen, 330 const unsigned char *f, int fl, int rsa_len); 331 int PKCS1_MGF1(unsigned char *mask, long len, 332 const unsigned char *seed, long seedlen, const EVP_MD *dgst); 333 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen, 334 const unsigned char *f, int fl, 335 const unsigned char *p, int pl); 336 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen, 337 const unsigned char *f, int fl, int rsa_len, 338 const unsigned char *p, int pl); 339 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 340 const unsigned char *from, int flen, const unsigned char *param, int plen, 341 const EVP_MD *md, const EVP_MD *mgf1md); 342 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen, 343 const unsigned char *from, int flen, int num, const unsigned char *param, 344 int plen, const EVP_MD *md, const EVP_MD *mgf1md); 345 int RSA_padding_add_none(unsigned char *to, int tlen, 346 const unsigned char *f, int fl); 347 int RSA_padding_check_none(unsigned char *to, int tlen, 348 const unsigned char *f, int fl, int rsa_len); 349 350 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash, 351 const EVP_MD *Hash, const unsigned char *EM, int sLen); 352 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM, 353 const unsigned char *mHash, const EVP_MD *Hash, int sLen); 354 355 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash, 356 const EVP_MD *Hash, const EVP_MD *mgf1Hash, const unsigned char *EM, 357 int sLen); 358 359 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM, 360 const unsigned char *mHash, const EVP_MD *Hash, const EVP_MD *mgf1Hash, 361 int sLen); 362 363 int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 364 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 365 int RSA_set_ex_data(RSA *r, int idx, void *arg); 366 void *RSA_get_ex_data(const RSA *r, int idx); 367 368 int RSA_security_bits(const RSA *rsa); 369 370 void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e, 371 const BIGNUM **d); 372 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d); 373 void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1, 374 const BIGNUM **iqmp); 375 int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp); 376 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q); 377 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q); 378 const BIGNUM *RSA_get0_n(const RSA *r); 379 const BIGNUM *RSA_get0_e(const RSA *r); 380 const BIGNUM *RSA_get0_d(const RSA *r); 381 const BIGNUM *RSA_get0_p(const RSA *r); 382 const BIGNUM *RSA_get0_q(const RSA *r); 383 const BIGNUM *RSA_get0_dmp1(const RSA *r); 384 const BIGNUM *RSA_get0_dmq1(const RSA *r); 385 const BIGNUM *RSA_get0_iqmp(const RSA *r); 386 const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r); 387 void RSA_clear_flags(RSA *r, int flags); 388 int RSA_test_flags(const RSA *r, int flags); 389 void RSA_set_flags(RSA *r, int flags); 390 391 RSA *RSAPublicKey_dup(RSA *rsa); 392 RSA *RSAPrivateKey_dup(RSA *rsa); 393 394 /* If this flag is set the RSA method is FIPS compliant and can be used 395 * in FIPS mode. This is set in the validated module method. If an 396 * application sets this flag in its own methods it is its responsibility 397 * to ensure the result is compliant. 398 */ 399 400 #define RSA_FLAG_FIPS_METHOD 0x0400 401 402 /* If this flag is set the operations normally disabled in FIPS mode are 403 * permitted it is then the applications responsibility to ensure that the 404 * usage is compliant. 405 */ 406 407 #define RSA_FLAG_NON_FIPS_ALLOW 0x0400 408 /* Application has decided PRNG is good enough to generate a key: don't 409 * check. 410 */ 411 #define RSA_FLAG_CHECKED 0x0800 412 413 RSA_METHOD *RSA_meth_new(const char *name, int flags); 414 void RSA_meth_free(RSA_METHOD *meth); 415 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth); 416 int RSA_meth_set1_name(RSA_METHOD *meth, const char *name); 417 int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen, 418 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 419 int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen, 420 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 421 int (*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa); 422 int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa)); 423 int RSA_meth_set_pub_enc(RSA_METHOD *meth, int (*pub_enc)(int flen, 424 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 425 int RSA_meth_set_pub_dec(RSA_METHOD *meth, int (*pub_dec)(int flen, 426 const unsigned char *from, unsigned char *to, RSA *rsa, int padding)); 427 int RSA_meth_set_mod_exp(RSA_METHOD *meth, int (*mod_exp)(BIGNUM *r0, 428 const BIGNUM *i, RSA *rsa, BN_CTX *ctx)); 429 int RSA_meth_set_bn_mod_exp(RSA_METHOD *meth, int (*bn_mod_exp)(BIGNUM *r, 430 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 431 BN_MONT_CTX *m_ctx)); 432 int RSA_meth_set_init(RSA_METHOD *meth, int (*init)(RSA *rsa)); 433 int RSA_meth_set_keygen(RSA_METHOD *meth, int (*keygen)(RSA *rsa, int bits, 434 BIGNUM *e, BN_GENCB *cb)); 435 int RSA_meth_set_flags(RSA_METHOD *meth, int flags); 436 int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data); 437 const char *RSA_meth_get0_name(const RSA_METHOD *); 438 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))(int flen, 439 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 440 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))(int flen, 441 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 442 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))(int flen, 443 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 444 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))(int flen, 445 const unsigned char *from, unsigned char *to, RSA *rsa, int padding); 446 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))(BIGNUM *r0, const BIGNUM *i, 447 RSA *rsa, BN_CTX *ctx); 448 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))(BIGNUM *r, 449 const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, 450 BN_MONT_CTX *m_ctx); 451 int (*RSA_meth_get_init(const RSA_METHOD *meth))(RSA *rsa); 452 int (*RSA_meth_get_keygen(const RSA_METHOD *meth))(RSA *rsa, int bits, BIGNUM *e, 453 BN_GENCB *cb); 454 int RSA_meth_get_flags(const RSA_METHOD *meth); 455 void *RSA_meth_get0_app_data(const RSA_METHOD *meth); 456 int (*RSA_meth_get_sign(const RSA_METHOD *meth))(int type, 457 const unsigned char *m, unsigned int m_length, 458 unsigned char *sigret, unsigned int *siglen, 459 const RSA *rsa); 460 int RSA_meth_set_sign(RSA_METHOD *rsa, int (*sign)(int type, 461 const unsigned char *m, unsigned int m_length, unsigned char *sigret, 462 unsigned int *siglen, const RSA *rsa)); 463 int (*RSA_meth_get_verify(const RSA_METHOD *meth))(int dtype, 464 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf, 465 unsigned int siglen, const RSA *rsa); 466 int RSA_meth_set_verify(RSA_METHOD *rsa, int (*verify)(int dtype, 467 const unsigned char *m, unsigned int m_length, const unsigned char *sigbuf, 468 unsigned int siglen, const RSA *rsa)); 469 470 471 void ERR_load_RSA_strings(void); 472 473 /* Error codes for the RSA functions. */ 474 475 /* Function codes. */ 476 #define RSA_F_CHECK_PADDING_MD 140 477 #define RSA_F_DO_RSA_PRINT 146 478 #define RSA_F_INT_RSA_VERIFY 145 479 #define RSA_F_MEMORY_LOCK 100 480 #define RSA_F_OLD_RSA_PRIV_DECODE 147 481 #define RSA_F_PKEY_RSA_CTRL 143 482 #define RSA_F_PKEY_RSA_CTRL_STR 144 483 #define RSA_F_PKEY_RSA_SIGN 142 484 #define RSA_F_PKEY_RSA_VERIFY 154 485 #define RSA_F_PKEY_RSA_VERIFYRECOVER 141 486 #define RSA_F_RSA_BUILTIN_KEYGEN 129 487 #define RSA_F_RSA_CHECK_KEY 123 488 #define RSA_F_RSA_EAY_MOD_EXP 157 489 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101 490 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102 491 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103 492 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104 493 #define RSA_F_RSA_GENERATE_KEY 105 494 #define RSA_F_RSA_GENERATE_KEY_EX 155 495 #define RSA_F_RSA_ITEM_VERIFY 156 496 #define RSA_F_RSA_MEMORY_LOCK 130 497 #define RSA_F_RSA_NEW_METHOD 106 498 #define RSA_F_RSA_NULL 124 499 #define RSA_F_RSA_NULL_MOD_EXP 131 500 #define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132 501 #define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133 502 #define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134 503 #define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135 504 #define RSA_F_RSA_PADDING_ADD_NONE 107 505 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121 506 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125 507 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148 508 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108 509 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109 510 #define RSA_F_RSA_PADDING_ADD_X931 127 511 #define RSA_F_RSA_PADDING_CHECK_NONE 111 512 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122 513 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112 514 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113 515 #define RSA_F_RSA_PADDING_CHECK_X931 128 516 #define RSA_F_RSA_PRINT 115 517 #define RSA_F_RSA_PRINT_FP 116 518 #define RSA_F_RSA_PRIVATE_DECRYPT 150 519 #define RSA_F_RSA_PRIVATE_ENCRYPT 151 520 #define RSA_F_RSA_PRIV_DECODE 137 521 #define RSA_F_RSA_PRIV_ENCODE 138 522 #define RSA_F_RSA_PUBLIC_DECRYPT 152 523 #define RSA_F_RSA_PUBLIC_ENCRYPT 153 524 #define RSA_F_RSA_PUB_DECODE 139 525 #define RSA_F_RSA_SETUP_BLINDING 136 526 #define RSA_F_RSA_SIGN 117 527 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118 528 #define RSA_F_RSA_VERIFY 119 529 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120 530 #define RSA_F_RSA_VERIFY_PKCS1_PSS 126 531 #define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149 532 533 /* Reason codes. */ 534 #define RSA_R_ALGORITHM_MISMATCH 100 535 #define RSA_R_BAD_E_VALUE 101 536 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102 537 #define RSA_R_BAD_PAD_BYTE_COUNT 103 538 #define RSA_R_BAD_SIGNATURE 104 539 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106 540 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107 541 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108 542 #define RSA_R_DATA_TOO_LARGE 109 543 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110 544 #define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132 545 #define RSA_R_DATA_TOO_SMALL 111 546 #define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122 547 #define RSA_R_DIGEST_DOES_NOT_MATCH 158 548 #define RSA_R_DIGEST_NOT_ALLOWED 145 549 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112 550 #define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124 551 #define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125 552 #define RSA_R_D_E_NOT_CONGRUENT_TO_1 123 553 #define RSA_R_FIRST_OCTET_INVALID 133 554 #define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144 555 #define RSA_R_INVALID_DIGEST 157 556 #define RSA_R_INVALID_DIGEST_LENGTH 143 557 #define RSA_R_INVALID_HEADER 137 558 #define RSA_R_INVALID_KEYBITS 145 559 #define RSA_R_INVALID_LABEL 160 560 #define RSA_R_INVALID_MESSAGE_LENGTH 131 561 #define RSA_R_INVALID_MGF1_MD 156 562 #define RSA_R_INVALID_OAEP_PARAMETERS 161 563 #define RSA_R_INVALID_PADDING 138 564 #define RSA_R_INVALID_PADDING_MODE 141 565 #define RSA_R_INVALID_PSS_PARAMETERS 149 566 #define RSA_R_INVALID_PSS_SALTLEN 146 567 #define RSA_R_INVALID_SALT_LENGTH 150 568 #define RSA_R_INVALID_TRAILER 139 569 #define RSA_R_INVALID_X931_DIGEST 142 570 #define RSA_R_IQMP_NOT_INVERSE_OF_Q 126 571 #define RSA_R_KEY_SIZE_TOO_SMALL 120 572 #define RSA_R_LAST_OCTET_INVALID 134 573 #define RSA_R_MODULUS_TOO_LARGE 105 574 #define RSA_R_MGF1_DIGEST_NOT_ALLOWED 152 575 #define RSA_R_NON_FIPS_RSA_METHOD 157 576 #define RSA_R_NO_PUBLIC_EXPONENT 140 577 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113 578 #define RSA_R_N_DOES_NOT_EQUAL_P_Q 127 579 #define RSA_R_OAEP_DECODING_ERROR 121 580 #define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158 581 #define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148 582 #define RSA_R_PADDING_CHECK_FAILED 114 583 #define RSA_R_PSS_SALTLEN_TOO_SMALL 164 584 #define RSA_R_P_NOT_PRIME 128 585 #define RSA_R_Q_NOT_PRIME 129 586 #define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130 587 #define RSA_R_SLEN_CHECK_FAILED 136 588 #define RSA_R_SLEN_RECOVERY_FAILED 135 589 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115 590 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116 591 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117 592 #define RSA_R_UNKNOWN_DIGEST 166 593 #define RSA_R_UNKNOWN_MASK_DIGEST 151 594 #define RSA_R_UNKNOWN_PADDING_TYPE 118 595 #define RSA_R_UNKNOWN_PSS_DIGEST 152 596 #define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 162 597 #define RSA_R_UNSUPPORTED_LABEL_SOURCE 163 598 #define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153 599 #define RSA_R_UNSUPPORTED_MASK_PARAMETER 154 600 #define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155 601 #define RSA_R_VALUE_MISSING 147 602 #define RSA_R_WRONG_SIGNATURE_LENGTH 119 603 604 #ifdef __cplusplus 605 } 606 #endif 607 #endif 608