include/openssl/rsa.h

   1 /*
   2  * Copyright 1995-2016 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 # ifdef  __cplusplus
  24 extern "C" {
  25 # endif
  26
  27 /* The types RSA and RSA_METHOD are defined in ossl_typ.h */
  28
  29 # ifndef OPENSSL_RSA_MAX_MODULUS_BITS
  30 #  define OPENSSL_RSA_MAX_MODULUS_BITS   16384
  31 # endif
  32
  33 # define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
  34
  35 # ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
  36 #  define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
  37 # endif
  38 # ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
  39
  40 /* exponent limit enforced for "large" modulus only */
  41 #  define OPENSSL_RSA_MAX_PUBEXP_BITS    64
  42 # endif
  43
  44 # define RSA_3   0x3L
  45 # define RSA_F4  0x10001L
  46
  47 # define RSA_METHOD_FLAG_NO_CHECK        0x0001/* don't check pub/private
  48                                                 * match */
  49
  50 # define RSA_FLAG_CACHE_PUBLIC           0x0002
  51 # define RSA_FLAG_CACHE_PRIVATE          0x0004
  52 # define RSA_FLAG_BLINDING               0x0008
  53 # define RSA_FLAG_THREAD_SAFE            0x0010
  54 /*
  55  * This flag means the private key operations will be handled by rsa_mod_exp
  56  * and that they do not depend on the private key components being present:
  57  * for example a key stored in external hardware. Without this flag
  58  * bn_mod_exp gets called when private key components are absent.
  59  */
  60 # define RSA_FLAG_EXT_PKEY               0x0020
  61
  62 /*
  63  * new with 0.9.6j and 0.9.7b; the built-in
  64  * RSA implementation now uses blinding by
  65  * default (ignoring RSA_FLAG_BLINDING),
  66  * but other engines might not need it
  67  */
  68 # define RSA_FLAG_NO_BLINDING            0x0080
  69 # if OPENSSL_API_COMPAT < 0x10100000L
  70 /*
  71  * Does nothing. Previously this switched off constant time behaviour.
  72  */
  73 #  define RSA_FLAG_NO_CONSTTIME           0x0000
  74 # endif
  75 # if OPENSSL_API_COMPAT < 0x00908000L
  76 /* deprecated name for the flag*/
  77 /*
  78  * new with 0.9.7h; the built-in RSA
  79  * implementation now uses constant time
  80  * modular exponentiation for secret exponents
  81  * by default. This flag causes the
  82  * faster variable sliding window method to
  83  * be used for all exponents.
  84  */
  85 #  define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
  86 # endif
  87
  88 # define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
  89         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
  90                                 pad, NULL)
  91
  92 # define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
  93         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
  94                                 EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
  95
  96 # define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
  97         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
  98                                 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
  99                                 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
 100                                 len, NULL)
 101
 102 # define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
 103         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 104                                 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
 105                                 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
 106                                 0, plen)
 107
 108 # define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
 109         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
 110                                 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
 111
 112 # define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
 113         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
 114                                 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
 115
 116 # define  EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md)  \
 117                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 118                         EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
 119                                 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
 120
 121 # define  EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md)  \
 122                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 123                                 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md)
 124
 125 # define  EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
 126                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
 127                         EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
 128                                 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
 129
 130 # define  EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
 131                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 132                                 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd)
 133
 134 # define  EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
 135                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 136                                 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l)
 137
 138 # define  EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l)       \
 139                 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT,  \
 140                                 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l)
 141
 142 # define EVP_PKEY_CTRL_RSA_PADDING       (EVP_PKEY_ALG_CTRL + 1)
 143 # define EVP_PKEY_CTRL_RSA_PSS_SALTLEN   (EVP_PKEY_ALG_CTRL + 2)
 144
 145 # define EVP_PKEY_CTRL_RSA_KEYGEN_BITS   (EVP_PKEY_ALG_CTRL + 3)
 146 # define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
 147 # define EVP_PKEY_CTRL_RSA_MGF1_MD       (EVP_PKEY_ALG_CTRL + 5)
 148
 149 # define EVP_PKEY_CTRL_GET_RSA_PADDING           (EVP_PKEY_ALG_CTRL + 6)
 150 # define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN       (EVP_PKEY_ALG_CTRL + 7)
 151 # define EVP_PKEY_CTRL_GET_RSA_MGF1_MD           (EVP_PKEY_ALG_CTRL + 8)
 152
 153 # define EVP_PKEY_CTRL_RSA_OAEP_MD       (EVP_PKEY_ALG_CTRL + 9)
 154 # define EVP_PKEY_CTRL_RSA_OAEP_LABEL    (EVP_PKEY_ALG_CTRL + 10)
 155
 156 # define EVP_PKEY_CTRL_GET_RSA_OAEP_MD   (EVP_PKEY_ALG_CTRL + 11)
 157 # define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
 158
 159 # define RSA_PKCS1_PADDING       1
 160 # define RSA_SSLV23_PADDING      2
 161 # define RSA_NO_PADDING          3
 162 # define RSA_PKCS1_OAEP_PADDING  4
 163 # define RSA_X931_PADDING        5
 164 /* EVP_PKEY_ only */
 165 # define RSA_PKCS1_PSS_PADDING   6
 166
 167 # define RSA_PKCS1_PADDING_SIZE  11
 168
 169 # define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,arg)
 170 # define RSA_get_app_data(s)             RSA_get_ex_data(s,0)
 171
 172 RSA *RSA_new(void);
 173 RSA *RSA_new_method(ENGINE *engine);
 174 int RSA_bits(const RSA *rsa);
 175 int RSA_size(const RSA *rsa);
 176 int RSA_security_bits(const RSA *rsa);
 177
 178 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
 179 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
 180 int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
 181 void RSA_get0_key(const RSA *r,
 182                   const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
 183 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
 184 void RSA_get0_crt_params(const RSA *r,
 185                          const BIGNUM **dmp1, const BIGNUM **dmq1,
 186                          const BIGNUM **iqmp);
 187 void RSA_clear_flags(RSA *r, int flags);
 188 int RSA_test_flags(const RSA *r, int flags);
 189 void RSA_set_flags(RSA *r, int flags);
 190 ENGINE *RSA_get0_engine(const RSA *r);
 191
 192 /* Deprecated version */
 193 DEPRECATEDIN_0_9_8(RSA *RSA_generate_key(int bits, unsigned long e, void
 194                                          (*callback) (int, int, void *),
 195                                          void *cb_arg))
 196
 197 /* New version */
 198 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
 199
 200 int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1,
 201                        BIGNUM *q2, const BIGNUM *Xp1, const BIGNUM *Xp2,
 202                        const BIGNUM *Xp, const BIGNUM *Xq1, const BIGNUM *Xq2,
 203                        const BIGNUM *Xq, const BIGNUM *e, BN_GENCB *cb);
 204 int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e,
 205                              BN_GENCB *cb);
 206
 207 int RSA_check_key(const RSA *);
 208 int RSA_check_key_ex(const RSA *, BN_GENCB *cb);
 209         /* next 4 return -1 on error */
 210 int RSA_public_encrypt(int flen, const unsigned char *from,
 211                        unsigned char *to, RSA *rsa, int padding);
 212 int RSA_private_encrypt(int flen, const unsigned char *from,
 213                         unsigned char *to, RSA *rsa, int padding);
 214 int RSA_public_decrypt(int flen, const unsigned char *from,
 215                        unsigned char *to, RSA *rsa, int padding);
 216 int RSA_private_decrypt(int flen, const unsigned char *from,
 217                         unsigned char *to, RSA *rsa, int padding);
 218 void RSA_free(RSA *r);
 219 /* "up" the RSA object's reference count */
 220 int RSA_up_ref(RSA *r);
 221
 222 int RSA_flags(const RSA *r);
 223
 224 void RSA_set_default_method(const RSA_METHOD *meth);
 225 const RSA_METHOD *RSA_get_default_method(void);
 226 const RSA_METHOD *RSA_get_method(const RSA *rsa);
 227 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
 228
 229 /* these are the actual RSA functions */
 230 const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
 231
 232 const RSA_METHOD *RSA_null_method(void);
 233
 234 DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
 235 DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
 236
 237 typedef struct rsa_pss_params_st {
 238     X509_ALGOR *hashAlgorithm;
 239     X509_ALGOR *maskGenAlgorithm;
 240     ASN1_INTEGER *saltLength;
 241     ASN1_INTEGER *trailerField;
 242     /* Decoded hash algorithm from maskGenAlgorithm */
 243     X509_ALGOR *maskHash;
 244 } RSA_PSS_PARAMS;
 245
 246 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
 247
 248 typedef struct rsa_oaep_params_st {
 249     X509_ALGOR *hashFunc;
 250     X509_ALGOR *maskGenFunc;
 251     X509_ALGOR *pSourceFunc;
 252     /* Decoded hash algorithm from maskGenFunc */
 253     X509_ALGOR *maskHash;
 254 } RSA_OAEP_PARAMS;
 255
 256 DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
 257
 258 # ifndef OPENSSL_NO_STDIO
 259 int RSA_print_fp(FILE *fp, const RSA *r, int offset);
 260 # endif
 261
 262 int RSA_print(BIO *bp, const RSA *r, int offset);
 263
 264 /*
 265  * The following 2 functions sign and verify a X509_SIG ASN1 object inside
 266  * PKCS#1 padded RSA encryption
 267  */
 268 int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
 269              unsigned char *sigret, unsigned int *siglen, RSA *rsa);
 270 int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
 271                const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
 272
 273 /*
 274  * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
 275  * PKCS#1 padded RSA encryption
 276  */
 277 int RSA_sign_ASN1_OCTET_STRING(int type,
 278                                const unsigned char *m, unsigned int m_length,
 279                                unsigned char *sigret, unsigned int *siglen,
 280                                RSA *rsa);
 281 int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
 282                                  unsigned int m_length, unsigned char *sigbuf,
 283                                  unsigned int siglen, RSA *rsa);
 284
 285 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
 286 void RSA_blinding_off(RSA *rsa);
 287 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
 288
 289 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
 290                                  const unsigned char *f, int fl);
 291 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
 292                                    const unsigned char *f, int fl,
 293                                    int rsa_len);
 294 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
 295                                  const unsigned char *f, int fl);
 296 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
 297                                    const unsigned char *f, int fl,
 298                                    int rsa_len);
 299 int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed,
 300                long seedlen, const EVP_MD *dgst);
 301 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
 302                                const unsigned char *f, int fl,
 303                                const unsigned char *p, int pl);
 304 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
 305                                  const unsigned char *f, int fl, int rsa_len,
 306                                  const unsigned char *p, int pl);
 307 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
 308                                     const unsigned char *from, int flen,
 309                                     const unsigned char *param, int plen,
 310                                     const EVP_MD *md, const EVP_MD *mgf1md);
 311 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
 312                                       const unsigned char *from, int flen,
 313                                       int num, const unsigned char *param,
 314                                       int plen, const EVP_MD *md,
 315                                       const EVP_MD *mgf1md);
 316 int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
 317                            const unsigned char *f, int fl);
 318 int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
 319                              const unsigned char *f, int fl, int rsa_len);
 320 int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f,
 321                          int fl);
 322 int RSA_padding_check_none(unsigned char *to, int tlen,
 323                            const unsigned char *f, int fl, int rsa_len);
 324 int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f,
 325                          int fl);
 326 int RSA_padding_check_X931(unsigned char *to, int tlen,
 327                            const unsigned char *f, int fl, int rsa_len);
 328 int RSA_X931_hash_id(int nid);
 329
 330 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
 331                          const EVP_MD *Hash, const unsigned char *EM,
 332                          int sLen);
 333 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
 334                               const unsigned char *mHash, const EVP_MD *Hash,
 335                               int sLen);
 336
 337 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
 338                               const EVP_MD *Hash, const EVP_MD *mgf1Hash,
 339                               const unsigned char *EM, int sLen);
 340
 341 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
 342                                    const unsigned char *mHash,
 343                                    const EVP_MD *Hash, const EVP_MD *mgf1Hash,
 344                                    int sLen);
 345
 346 #define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
 347     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
 348 int RSA_set_ex_data(RSA *r, int idx, void *arg);
 349 void *RSA_get_ex_data(const RSA *r, int idx);
 350
 351 RSA *RSAPublicKey_dup(RSA *rsa);
 352 RSA *RSAPrivateKey_dup(RSA *rsa);
 353
 354 /*
 355  * If this flag is set the RSA method is FIPS compliant and can be used in
 356  * FIPS mode. This is set in the validated module method. If an application
 357  * sets this flag in its own methods it is its responsibility to ensure the
 358  * result is compliant.
 359  */
 360
 361 # define RSA_FLAG_FIPS_METHOD                    0x0400
 362
 363 /*
 364  * If this flag is set the operations normally disabled in FIPS mode are
 365  * permitted it is then the applications responsibility to ensure that the
 366  * usage is compliant.
 367  */
 368
 369 # define RSA_FLAG_NON_FIPS_ALLOW                 0x0400
 370 /*
 371  * Application has decided PRNG is good enough to generate a key: don't
 372  * check.
 373  */
 374 # define RSA_FLAG_CHECKED                        0x0800
 375
 376 RSA_METHOD *RSA_meth_new(const char *name, int flags);
 377 void RSA_meth_free(RSA_METHOD *meth);
 378 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
 379 const char *RSA_meth_get0_name(const RSA_METHOD *meth);
 380 int RSA_meth_set1_name(RSA_METHOD *meth, const char *name);
 381 int RSA_meth_get_flags(RSA_METHOD *meth);
 382 int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
 383 void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
 384 int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data);
 385 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
 386     (int flen, const unsigned char *from,
 387      unsigned char *to, RSA *rsa, int padding);
 388 int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
 389                          int (*pub_enc) (int flen, const unsigned char *from,
 390                                          unsigned char *to, RSA *rsa,
 391                                          int padding));
 392 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
 393     (int flen, const unsigned char *from,
 394      unsigned char *to, RSA *rsa, int padding);
 395 int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
 396                          int (*pub_dec) (int flen, const unsigned char *from,
 397                                          unsigned char *to, RSA *rsa,
 398                                          int padding));
 399 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
 400     (int flen, const unsigned char *from,
 401      unsigned char *to, RSA *rsa, int padding);
 402 int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
 403                           int (*priv_enc) (int flen, const unsigned char *from,
 404                                            unsigned char *to, RSA *rsa,
 405                                            int padding));
 406 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
 407     (int flen, const unsigned char *from,
 408      unsigned char *to, RSA *rsa, int padding);
 409 int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
 410                           int (*priv_dec) (int flen, const unsigned char *from,
 411                                            unsigned char *to, RSA *rsa,
 412                                            int padding));
 413 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
 414     (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
 415 int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
 416                          int (*mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa,
 417                                          BN_CTX *ctx));
 418 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
 419     (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 420      const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
 421 int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
 422                             int (*bn_mod_exp) (BIGNUM *r,
 423                                                const BIGNUM *a,
 424                                                const BIGNUM *p,
 425                                                const BIGNUM *m,
 426                                                BN_CTX *ctx,
 427                                                BN_MONT_CTX *m_ctx));
 428 int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa);
 429 int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa));
 430 int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa);
 431 int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa));
 432 int (*RSA_meth_get_sign(const RSA_METHOD *meth))
 433     (int type,
 434      const unsigned char *m, unsigned int m_length,
 435      unsigned char *sigret, unsigned int *siglen,
 436      const RSA *rsa);
 437 int RSA_meth_set_sign(RSA_METHOD *rsa,
 438                       int (*sign) (int type, const unsigned char *m,
 439                                    unsigned int m_length,
 440                                    unsigned char *sigret, unsigned int *siglen,
 441                                    const RSA *rsa));
 442 int (*RSA_meth_get_verify(const RSA_METHOD *meth))
 443     (int dtype, const unsigned char *m,
 444      unsigned int m_length, const unsigned char *sigbuf,
 445      unsigned int siglen, const RSA *rsa);
 446 int RSA_meth_set_verify(RSA_METHOD *rsa,
 447                         int (*verify) (int dtype, const unsigned char *m,
 448                                        unsigned int m_length,
 449                                        const unsigned char *sigbuf,
 450                                        unsigned int siglen, const RSA *rsa));
 451 int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
 452     (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
 453 int RSA_meth_set_keygen(RSA_METHOD *rsa,
 454                         int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
 455                                        BN_GENCB *cb));
 456
 457 /* BEGIN ERROR CODES */
 458 /*
 459  * The following lines are auto generated by the script mkerr.pl. Any changes
 460  * made after this point may be overwritten when the script is next run.
 461  */
 462
 463 int ERR_load_RSA_strings(void);
 464
 465 /* Error codes for the RSA functions. */
 466
 467 /* Function codes. */
 468 # define RSA_F_CHECK_PADDING_MD                           140
 469 # define RSA_F_ENCODE_PKCS1                               146
 470 # define RSA_F_INT_RSA_VERIFY                             145
 471 # define RSA_F_OLD_RSA_PRIV_DECODE                        147
 472 # define RSA_F_PKEY_RSA_CTRL                              143
 473 # define RSA_F_PKEY_RSA_CTRL_STR                          144
 474 # define RSA_F_PKEY_RSA_SIGN                              142
 475 # define RSA_F_PKEY_RSA_VERIFY                            149
 476 # define RSA_F_PKEY_RSA_VERIFYRECOVER                     141
 477 # define RSA_F_RSA_ALGOR_TO_MD                            156
 478 # define RSA_F_RSA_BUILTIN_KEYGEN                         129
 479 # define RSA_F_RSA_CHECK_KEY                              123
 480 # define RSA_F_RSA_CHECK_KEY_EX                           160
 481 # define RSA_F_RSA_CMS_DECRYPT                            159
 482 # define RSA_F_RSA_ITEM_VERIFY                            148
 483 # define RSA_F_RSA_METH_DUP                               161
 484 # define RSA_F_RSA_METH_NEW                               162
 485 # define RSA_F_RSA_METH_SET1_NAME                         163
 486 # define RSA_F_RSA_MGF1_TO_MD                             157
 487 # define RSA_F_RSA_NEW_METHOD                             106
 488 # define RSA_F_RSA_NULL                                   124
 489 # define RSA_F_RSA_NULL_PRIVATE_DECRYPT                   132
 490 # define RSA_F_RSA_NULL_PRIVATE_ENCRYPT                   133
 491 # define RSA_F_RSA_NULL_PUBLIC_DECRYPT                    134
 492 # define RSA_F_RSA_NULL_PUBLIC_ENCRYPT                    135
 493 # define RSA_F_RSA_OSSL_PRIVATE_DECRYPT                   101
 494 # define RSA_F_RSA_OSSL_PRIVATE_ENCRYPT                   102
 495 # define RSA_F_RSA_OSSL_PUBLIC_DECRYPT                    103
 496 # define RSA_F_RSA_OSSL_PUBLIC_ENCRYPT                    104
 497 # define RSA_F_RSA_PADDING_ADD_NONE                       107
 498 # define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP                 121
 499 # define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1            154
 500 # define RSA_F_RSA_PADDING_ADD_PKCS1_PSS                  125
 501 # define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1             152
 502 # define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1               108
 503 # define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2               109
 504 # define RSA_F_RSA_PADDING_ADD_SSLV23                     110
 505 # define RSA_F_RSA_PADDING_ADD_X931                       127
 506 # define RSA_F_RSA_PADDING_CHECK_NONE                     111
 507 # define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP               122
 508 # define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1          153
 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_SSLV23                   114
 512 # define RSA_F_RSA_PADDING_CHECK_X931                     128
 513 # define RSA_F_RSA_PRINT                                  115
 514 # define RSA_F_RSA_PRINT_FP                               116
 515 # define RSA_F_RSA_PRIV_ENCODE                            138
 516 # define RSA_F_RSA_PSS_TO_CTX                             155
 517 # define RSA_F_RSA_PUB_DECODE                             139
 518 # define RSA_F_RSA_SETUP_BLINDING                         136
 519 # define RSA_F_RSA_SIGN                                   117
 520 # define RSA_F_RSA_SIGN_ASN1_OCTET_STRING                 118
 521 # define RSA_F_RSA_VERIFY                                 119
 522 # define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING               120
 523 # define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1                  126
 524
 525 /* Reason codes. */
 526 # define RSA_R_ALGORITHM_MISMATCH                         100
 527 # define RSA_R_BAD_E_VALUE                                101
 528 # define RSA_R_BAD_FIXED_HEADER_DECRYPT                   102
 529 # define RSA_R_BAD_PAD_BYTE_COUNT                         103
 530 # define RSA_R_BAD_SIGNATURE                              104
 531 # define RSA_R_BLOCK_TYPE_IS_NOT_01                       106
 532 # define RSA_R_BLOCK_TYPE_IS_NOT_02                       107
 533 # define RSA_R_DATA_GREATER_THAN_MOD_LEN                  108
 534 # define RSA_R_DATA_TOO_LARGE                             109
 535 # define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE                110
 536 # define RSA_R_DATA_TOO_LARGE_FOR_MODULUS                 132
 537 # define RSA_R_DATA_TOO_SMALL                             111
 538 # define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE                122
 539 # define RSA_R_DIGEST_DOES_NOT_MATCH                      158
 540 # define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY                 112
 541 # define RSA_R_DMP1_NOT_CONGRUENT_TO_D                    124
 542 # define RSA_R_DMQ1_NOT_CONGRUENT_TO_D                    125
 543 # define RSA_R_D_E_NOT_CONGRUENT_TO_1                     123
 544 # define RSA_R_FIRST_OCTET_INVALID                        133
 545 # define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE        144
 546 # define RSA_R_INVALID_DIGEST                             157
 547 # define RSA_R_INVALID_DIGEST_LENGTH                      143
 548 # define RSA_R_INVALID_HEADER                             137
 549 # define RSA_R_INVALID_LABEL                              160
 550 # define RSA_R_INVALID_MESSAGE_LENGTH                     131
 551 # define RSA_R_INVALID_MGF1_MD                            156
 552 # define RSA_R_INVALID_OAEP_PARAMETERS                    161
 553 # define RSA_R_INVALID_PADDING                            138
 554 # define RSA_R_INVALID_PADDING_MODE                       141
 555 # define RSA_R_INVALID_PSS_PARAMETERS                     149
 556 # define RSA_R_INVALID_PSS_SALTLEN                        146
 557 # define RSA_R_INVALID_SALT_LENGTH                        150
 558 # define RSA_R_INVALID_TRAILER                            139
 559 # define RSA_R_INVALID_X931_DIGEST                        142
 560 # define RSA_R_IQMP_NOT_INVERSE_OF_Q                      126
 561 # define RSA_R_KEY_SIZE_TOO_SMALL                         120
 562 # define RSA_R_LAST_OCTET_INVALID                         134
 563 # define RSA_R_MODULUS_TOO_LARGE                          105
 564 # define RSA_R_NO_PUBLIC_EXPONENT                         140
 565 # define RSA_R_NULL_BEFORE_BLOCK_MISSING                  113
 566 # define RSA_R_N_DOES_NOT_EQUAL_P_Q                       127
 567 # define RSA_R_OAEP_DECODING_ERROR                        121
 568 # define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   148
 569 # define RSA_R_PADDING_CHECK_FAILED                       114
 570 # define RSA_R_PKCS_DECODING_ERROR                        159
 571 # define RSA_R_P_NOT_PRIME                                128
 572 # define RSA_R_Q_NOT_PRIME                                129
 573 # define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED               130
 574 # define RSA_R_SLEN_CHECK_FAILED                          136
 575 # define RSA_R_SLEN_RECOVERY_FAILED                       135
 576 # define RSA_R_SSLV3_ROLLBACK_ATTACK                      115
 577 # define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
 578 # define RSA_R_UNKNOWN_ALGORITHM_TYPE                     117
 579 # define RSA_R_UNKNOWN_DIGEST                             166
 580 # define RSA_R_UNKNOWN_MASK_DIGEST                        151
 581 # define RSA_R_UNKNOWN_PADDING_TYPE                       118
 582 # define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE                162
 583 # define RSA_R_UNSUPPORTED_LABEL_SOURCE                   163
 584 # define RSA_R_UNSUPPORTED_MASK_ALGORITHM                 153
 585 # define RSA_R_UNSUPPORTED_MASK_PARAMETER                 154
 586 # define RSA_R_UNSUPPORTED_SIGNATURE_TYPE                 155
 587 # define RSA_R_VALUE_MISSING                              147
 588 # define RSA_R_WRONG_SIGNATURE_LENGTH                     119
 589
 590 #  ifdef  __cplusplus
 591 }
 592 #  endif
 593 # endif
 594 #endif