include/openssl/rsa.h

   1 /*
   2  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 OPENSSL_RSA_H
  11 # define OPENSSL_RSA_H
  12 # pragma once
  13
  14 # include <openssl/macros.h>
  15 # ifndef OPENSSL_NO_DEPRECATED_3_0
  16 #  define HEADER_RSA_H
  17 # endif
  18
  19 # include <openssl/opensslconf.h>
  20
  21 # ifndef OPENSSL_NO_RSA
  22 #  include <openssl/asn1.h>
  23 #  include <openssl/bio.h>
  24 #  include <openssl/crypto.h>
  25 #  include <openssl/types.h>
  26 #  ifndef OPENSSL_NO_DEPRECATED_1_1_0
  27 #   include <openssl/bn.h>
  28 #  endif
  29 #  include <openssl/rsaerr.h>
  30 #  include <openssl/safestack.h>
  31
  32 #  ifdef  __cplusplus
  33 extern "C" {
  34 #  endif
  35
  36 #  ifndef OPENSSL_RSA_MAX_MODULUS_BITS
  37 #   define OPENSSL_RSA_MAX_MODULUS_BITS   16384
  38 #  endif
  39
  40 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  41 /* The types RSA and RSA_METHOD are defined in ossl_typ.h */
  42
  43 #   define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
  44
  45 #   ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
  46 #    define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
  47 #   endif
  48
  49 /* exponent limit enforced for "large" modulus only */
  50 #   ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
  51 #    define OPENSSL_RSA_MAX_PUBEXP_BITS    64
  52 #   endif
  53
  54 #   define RSA_3   0x3L
  55 #   define RSA_F4  0x10001L
  56
  57 /* based on RFC 8017 appendix A.1.2 */
  58 #   define RSA_ASN1_VERSION_DEFAULT        0
  59 #   define RSA_ASN1_VERSION_MULTI          1
  60
  61 #   define RSA_DEFAULT_PRIME_NUM           2
  62 #  endif /* OPENSSL_NO_DEPRECATED_3_0 */
  63
  64 /* Don't check pub/private match */
  65 /* TODO(3.0): deprecate this? It is exposed for sls/t1_lib.c's use */
  66 #  define RSA_METHOD_FLAG_NO_CHECK        0x0001
  67
  68 #  ifndef OPENSSL_NO_DEPRECATED_3_0
  69 #   define RSA_FLAG_CACHE_PUBLIC           0x0002
  70 #   define RSA_FLAG_CACHE_PRIVATE          0x0004
  71 #   define RSA_FLAG_BLINDING               0x0008
  72 #   define RSA_FLAG_THREAD_SAFE            0x0010
  73 /*
  74  * This flag means the private key operations will be handled by rsa_mod_exp
  75  * and that they do not depend on the private key components being present:
  76  * for example a key stored in external hardware. Without this flag
  77  * bn_mod_exp gets called when private key components are absent.
  78  */
  79 #   define RSA_FLAG_EXT_PKEY               0x0020
  80
  81 /*
  82  * new with 0.9.6j and 0.9.7b; the built-in
  83  * RSA implementation now uses blinding by
  84  * default (ignoring RSA_FLAG_BLINDING),
  85  * but other engines might not need it
  86  */
  87 #   define RSA_FLAG_NO_BLINDING            0x0080
  88 #  endif /* OPENSSL_NO_DEPRECATED_3_0 */
  89 /*
  90  * Does nothing. Previously this switched off constant time behaviour.
  91  */
  92 #  ifndef OPENSSL_NO_DEPRECATED_1_1_0
  93 #   define RSA_FLAG_NO_CONSTTIME           0x0000
  94 #  endif
  95 /* deprecated name for the flag*/
  96 /*
  97  * new with 0.9.7h; the built-in RSA
  98  * implementation now uses constant time
  99  * modular exponentiation for secret exponents
 100  * by default. This flag causes the
 101  * faster variable sliding window method to
 102  * be used for all exponents.
 103  */
 104 #  ifndef OPENSSL_NO_DEPRECATED_0_9_8
 105 #   define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
 106 #  endif
 107
 108 int EVP_PKEY_CTX_set_rsa_padding(EVP_PKEY_CTX *ctx, int pad_mode);
 109 int EVP_PKEY_CTX_get_rsa_padding(EVP_PKEY_CTX *ctx, int *pad_mode);
 110
 111 #  define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
 112         RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
 113                           EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
 114 /* Salt length matches digest */
 115 #  define RSA_PSS_SALTLEN_DIGEST -1
 116 /* Verify only: auto detect salt length */
 117 #  define RSA_PSS_SALTLEN_AUTO   -2
 118 /* Set salt length to maximum possible */
 119 #  define RSA_PSS_SALTLEN_MAX    -3
 120 /* Old compatible max salt length for sign only */
 121 #  define RSA_PSS_SALTLEN_MAX_SIGN    -2
 122
 123 #  define EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(ctx, len) \
 124         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
 125                           EVP_PKEY_CTRL_RSA_PSS_SALTLEN, len, NULL)
 126
 127 #  define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
 128         RSA_pkey_ctx_ctrl(ctx, (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
 129                           EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, 0, plen)
 130
 131 #  define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
 132         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
 133                           EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
 134
 135 #  define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
 136         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
 137                           EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
 138
 139 #  define EVP_PKEY_CTX_set_rsa_keygen_primes(ctx, primes) \
 140         RSA_pkey_ctx_ctrl(ctx, EVP_PKEY_OP_KEYGEN, \
 141                           EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES, primes, NULL)
 142
 143 int EVP_PKEY_CTX_set_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
 144 int EVP_PKEY_CTX_set_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
 145                                       const char *mdprops);
 146 int EVP_PKEY_CTX_get_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
 147 int EVP_PKEY_CTX_get_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, char *name,
 148                                       size_t namelen);
 149
 150 #  define  EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(ctx, md) \
 151         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS, EVP_PKEY_OP_KEYGEN, \
 152                           EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)(md))
 153
 154 int EVP_PKEY_CTX_set_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
 155 int EVP_PKEY_CTX_set_rsa_oaep_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
 156                                       const char *mdprops);
 157 int EVP_PKEY_CTX_get_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
 158 int EVP_PKEY_CTX_get_rsa_oaep_md_name(EVP_PKEY_CTX *ctx, char *name,
 159                                       size_t namelen);
 160 int EVP_PKEY_CTX_set0_rsa_oaep_label(EVP_PKEY_CTX *ctx, void *label, int llen);
 161 int EVP_PKEY_CTX_get0_rsa_oaep_label(EVP_PKEY_CTX *ctx, unsigned char **label);
 162
 163 #  define  EVP_PKEY_CTX_set_rsa_pss_keygen_md(ctx, md) \
 164         EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA_PSS,  \
 165                           EVP_PKEY_OP_KEYGEN, EVP_PKEY_CTRL_MD,  \
 166                           0, (void *)(md))
 167
 168
 169 #  define EVP_PKEY_CTRL_RSA_PADDING       (EVP_PKEY_ALG_CTRL + 1)
 170 #  define EVP_PKEY_CTRL_RSA_PSS_SALTLEN   (EVP_PKEY_ALG_CTRL + 2)
 171
 172 #  define EVP_PKEY_CTRL_RSA_KEYGEN_BITS   (EVP_PKEY_ALG_CTRL + 3)
 173 #  define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
 174 #  define EVP_PKEY_CTRL_RSA_MGF1_MD       (EVP_PKEY_ALG_CTRL + 5)
 175
 176 #  define EVP_PKEY_CTRL_GET_RSA_PADDING           (EVP_PKEY_ALG_CTRL + 6)
 177 #  define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN       (EVP_PKEY_ALG_CTRL + 7)
 178 #  define EVP_PKEY_CTRL_GET_RSA_MGF1_MD           (EVP_PKEY_ALG_CTRL + 8)
 179
 180 #  define EVP_PKEY_CTRL_RSA_OAEP_MD       (EVP_PKEY_ALG_CTRL + 9)
 181 #  define EVP_PKEY_CTRL_RSA_OAEP_LABEL    (EVP_PKEY_ALG_CTRL + 10)
 182
 183 #  define EVP_PKEY_CTRL_GET_RSA_OAEP_MD   (EVP_PKEY_ALG_CTRL + 11)
 184 #  define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
 185
 186 #  define EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES  (EVP_PKEY_ALG_CTRL + 13)
 187
 188 #  define RSA_PKCS1_PADDING          1
 189 #  define RSA_SSLV23_PADDING         2
 190 #  define RSA_NO_PADDING             3
 191 #  define RSA_PKCS1_OAEP_PADDING     4
 192 #  define RSA_X931_PADDING           5
 193
 194 /* EVP_PKEY_ only */
 195 #  define RSA_PKCS1_PSS_PADDING      6
 196 #  define RSA_PKCS1_WITH_TLS_PADDING 7
 197
 198 #  define RSA_PKCS1_PADDING_SIZE    11
 199
 200 #  define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,arg)
 201 #  define RSA_get_app_data(s)             RSA_get_ex_data(s,0)
 202
 203 RSA *RSA_new(void);
 204 DEPRECATEDIN_3_0(RSA *RSA_new_method(ENGINE *engine))
 205 DEPRECATEDIN_3_0(int RSA_bits(const RSA *rsa))
 206 DEPRECATEDIN_3_0(int RSA_size(const RSA *rsa))
 207 DEPRECATEDIN_3_0(int RSA_security_bits(const RSA *rsa))
 208
 209 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
 210 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
 211 int RSA_set0_crt_params(RSA *r,BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
 212 int RSA_set0_multi_prime_params(RSA *r, BIGNUM *primes[], BIGNUM *exps[],
 213                                 BIGNUM *coeffs[], int pnum);
 214 void RSA_get0_key(const RSA *r,
 215                   const BIGNUM **n, const BIGNUM **e, const BIGNUM **d);
 216 void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
 217 int RSA_get_multi_prime_extra_count(const RSA *r);
 218 int RSA_get0_multi_prime_factors(const RSA *r, const BIGNUM *primes[]);
 219 void RSA_get0_crt_params(const RSA *r,
 220                          const BIGNUM **dmp1, const BIGNUM **dmq1,
 221                          const BIGNUM **iqmp);
 222 int RSA_get0_multi_prime_crt_params(const RSA *r, const BIGNUM *exps[],
 223                                     const BIGNUM *coeffs[]);
 224 const BIGNUM *RSA_get0_n(const RSA *d);
 225 const BIGNUM *RSA_get0_e(const RSA *d);
 226 const BIGNUM *RSA_get0_d(const RSA *d);
 227 const BIGNUM *RSA_get0_p(const RSA *d);
 228 const BIGNUM *RSA_get0_q(const RSA *d);
 229 const BIGNUM *RSA_get0_dmp1(const RSA *r);
 230 const BIGNUM *RSA_get0_dmq1(const RSA *r);
 231 const BIGNUM *RSA_get0_iqmp(const RSA *r);
 232 DEPRECATEDIN_3_0(const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r))
 233 void RSA_clear_flags(RSA *r, int flags);
 234 int RSA_test_flags(const RSA *r, int flags);
 235 void RSA_set_flags(RSA *r, int flags);
 236 DEPRECATEDIN_3_0(int RSA_get_version(RSA *r))
 237 DEPRECATEDIN_3_0(ENGINE *RSA_get0_engine(const RSA *r))
 238
 239 /* Deprecated version */
 240 DEPRECATEDIN_0_9_8(RSA *RSA_generate_key(int bits, unsigned long e, void
 241                                          (*callback) (int, int, void *),
 242                                          void *cb_arg))
 243
 244 /* New version */
 245 DEPRECATEDIN_3_0(int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e,
 246                                          BN_GENCB *cb))
 247 /* Multi-prime version */
 248 DEPRECATEDIN_3_0(int RSA_generate_multi_prime_key(RSA *rsa, int bits,
 249                                                   int primes, BIGNUM *e,
 250                                                   BN_GENCB *cb))
 251
 252 DEPRECATEDIN_3_0(int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2,
 253                                         BIGNUM *q1, BIGNUM *q2,
 254                                         const BIGNUM *Xp1, const BIGNUM *Xp2,
 255                                         const BIGNUM *Xp, const BIGNUM *Xq1,
 256                                         const BIGNUM *Xq2, const BIGNUM *Xq,
 257                                         const BIGNUM *e, BN_GENCB *cb))
 258 DEPRECATEDIN_3_0(int RSA_X931_generate_key_ex(RSA *rsa, int bits,
 259                                               const BIGNUM *e, BN_GENCB *cb))
 260
 261 DEPRECATEDIN_3_0(int RSA_check_key(const RSA *))
 262 DEPRECATEDIN_3_0(int RSA_check_key_ex(const RSA *, BN_GENCB *cb))
 263         /* next 4 return -1 on error */
 264 DEPRECATEDIN_3_0(int RSA_public_encrypt(int flen, const unsigned char *from,
 265                                         unsigned char *to, RSA *rsa,
 266                                         int padding))
 267 DEPRECATEDIN_3_0(int RSA_private_encrypt(int flen, const unsigned char *from,
 268                                          unsigned char *to, RSA *rsa,
 269                                          int padding))
 270 DEPRECATEDIN_3_0(int RSA_public_decrypt(int flen, const unsigned char *from,
 271                                         unsigned char *to, RSA *rsa,
 272                                         int padding))
 273 DEPRECATEDIN_3_0(int RSA_private_decrypt(int flen, const unsigned char *from,
 274                                          unsigned char *to, RSA *rsa,
 275                                          int padding))
 276 void RSA_free(RSA *r);
 277 /* "up" the RSA object's reference count */
 278 int RSA_up_ref(RSA *r);
 279
 280 /* TODO(3.0): deprecate this one ssl/ssl_rsa.c can be changed to avoid it */
 281 int RSA_flags(const RSA *r);
 282
 283 DEPRECATEDIN_3_0(void RSA_set_default_method(const RSA_METHOD *meth))
 284 DEPRECATEDIN_3_0(const RSA_METHOD *RSA_get_default_method(void))
 285 DEPRECATEDIN_3_0(const RSA_METHOD *RSA_null_method(void))
 286 DEPRECATEDIN_3_0(const RSA_METHOD *RSA_get_method(const RSA *rsa))
 287 DEPRECATEDIN_3_0(int RSA_set_method(RSA *rsa, const RSA_METHOD *meth))
 288
 289 /* these are the actual RSA functions */
 290 DEPRECATEDIN_3_0(const RSA_METHOD *RSA_PKCS1_OpenSSL(void))
 291
 292 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2);
 293
 294 DECLARE_ASN1_ENCODE_FUNCTIONS_name(RSA, RSAPublicKey)
 295 DECLARE_ASN1_ENCODE_FUNCTIONS_name(RSA, RSAPrivateKey)
 296
 297 struct rsa_pss_params_st {
 298     X509_ALGOR *hashAlgorithm;
 299     X509_ALGOR *maskGenAlgorithm;
 300     ASN1_INTEGER *saltLength;
 301     ASN1_INTEGER *trailerField;
 302     /* Decoded hash algorithm from maskGenAlgorithm */
 303     X509_ALGOR *maskHash;
 304 };
 305
 306 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
 307
 308 typedef struct rsa_oaep_params_st {
 309     X509_ALGOR *hashFunc;
 310     X509_ALGOR *maskGenFunc;
 311     X509_ALGOR *pSourceFunc;
 312     /* Decoded hash algorithm from maskGenFunc */
 313     X509_ALGOR *maskHash;
 314 } RSA_OAEP_PARAMS;
 315
 316 DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
 317
 318 #  ifndef OPENSSL_NO_STDIO
 319 DEPRECATEDIN_3_0(int RSA_print_fp(FILE *fp, const RSA *r, int offset))
 320 #  endif
 321
 322 DEPRECATEDIN_3_0(int RSA_print(BIO *bp, const RSA *r, int offset))
 323
 324 /*
 325  * The following 2 functions sign and verify a X509_SIG ASN1 object inside
 326  * PKCS#1 padded RSA encryption
 327  */
 328 DEPRECATEDIN_3_0(int RSA_sign(int type, const unsigned char *m,
 329                               unsigned int m_length, unsigned char *sigret,
 330                               unsigned int *siglen, RSA *rsa))
 331 DEPRECATEDIN_3_0(int RSA_verify(int type, const unsigned char *m,
 332                                 unsigned int m_length,
 333                                 const unsigned char *sigbuf,
 334                                 unsigned int siglen, RSA *rsa))
 335
 336 /*
 337  * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
 338  * PKCS#1 padded RSA encryption
 339  */
 340 DEPRECATEDIN_3_0(int RSA_sign_ASN1_OCTET_STRING(int type,
 341                                                 const unsigned char *m,
 342                                                 unsigned int m_length,
 343                                                 unsigned char *sigret,
 344                                                 unsigned int *siglen, RSA *rsa))
 345 DEPRECATEDIN_3_0(int RSA_verify_ASN1_OCTET_STRING(int type,
 346                                                   const unsigned char *m,
 347                                                   unsigned int m_length,
 348                                                   unsigned char *sigbuf,
 349                                                   unsigned int siglen,
 350                                                   RSA *rsa))
 351
 352 /* TODO(3.0): figure out how to deprecate these two */
 353 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
 354 void RSA_blinding_off(RSA *rsa);
 355 DEPRECATEDIN_3_0(BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx))
 356
 357 DEPRECATEDIN_3_0(int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
 358                                                   const unsigned char *f,
 359                                                   int fl))
 360 DEPRECATEDIN_3_0(int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
 361                                                     const unsigned char *f,
 362                                                     int fl, int rsa_len))
 363 DEPRECATEDIN_3_0(int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
 364                                                   const unsigned char *f,
 365                                                   int fl))
 366 DEPRECATEDIN_3_0(int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
 367                                                     const unsigned char *f,
 368                                                     int fl, int rsa_len))
 369 DEPRECATEDIN_3_0(int PKCS1_MGF1(unsigned char *mask, long len,
 370                                 const unsigned char *seed, long seedlen,
 371                                 const EVP_MD *dgst))
 372 DEPRECATEDIN_3_0(int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
 373                                                 const unsigned char *f, int fl,
 374                                                 const unsigned char *p, int pl))
 375 DEPRECATEDIN_3_0(int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
 376                                                   const unsigned char *f,
 377                                                   int fl, int rsa_len,
 378                                                   const unsigned char *p,
 379                                                   int pl))
 380 DEPRECATEDIN_3_0(int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to,
 381                                                      int tlen,
 382                                                      const unsigned char *from,
 383                                                      int flen,
 384                                                      const unsigned char *param,
 385                                                      int plen,
 386                                                      const EVP_MD *md,
 387                                                      const EVP_MD *mgf1md))
 388 DEPRECATEDIN_3_0(int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to,
 389                                                        int tlen,
 390                                                        const unsigned char *from,
 391                                                        int flen, int num,
 392                                                        const unsigned char *param,
 393                                                        int plen, const EVP_MD *md,
 394                                                        const EVP_MD *mgf1md))
 395 DEPRECATEDIN_3_0(int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
 396                                             const unsigned char *f, int fl))
 397 DEPRECATEDIN_3_0(int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
 398                                               const unsigned char *f, int fl,
 399                                               int rsa_len))
 400 DEPRECATEDIN_3_0(int RSA_padding_add_none(unsigned char *to, int tlen,
 401                                           const unsigned char *f, int fl))
 402 DEPRECATEDIN_3_0(int RSA_padding_check_none(unsigned char *to, int tlen,
 403                                             const unsigned char *f, int fl,
 404                                             int rsa_len))
 405 DEPRECATEDIN_3_0(int RSA_padding_add_X931(unsigned char *to, int tlen,
 406                                           const unsigned char *f, int fl))
 407 DEPRECATEDIN_3_0(int RSA_padding_check_X931(unsigned char *to, int tlen,
 408                                             const unsigned char *f, int fl,
 409                                             int rsa_len))
 410 DEPRECATEDIN_3_0(int RSA_X931_hash_id(int nid))
 411
 412 DEPRECATEDIN_3_0(int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
 413                                           const EVP_MD *Hash,
 414                                           const unsigned char *EM, int sLen))
 415 DEPRECATEDIN_3_0(int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
 416                                                const unsigned char *mHash,
 417                                                const EVP_MD *Hash, int sLen))
 418
 419 DEPRECATEDIN_3_0(int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa,
 420                                                const unsigned char *mHash,
 421                                                const EVP_MD *Hash,
 422                                                const EVP_MD *mgf1Hash,
 423                                                const unsigned char *EM,
 424                                                int sLen))
 425
 426 DEPRECATEDIN_3_0(int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa,
 427                                                     unsigned char *EM,
 428                                                     const unsigned char *mHash,
 429                                                     const EVP_MD *Hash,
 430                                                     const EVP_MD *mgf1Hash,
 431                                                     int sLen))
 432
 433 #  define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
 434     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
 435 DEPRECATEDIN_3_0(int RSA_set_ex_data(RSA *r, int idx, void *arg))
 436 DEPRECATEDIN_3_0(void *RSA_get_ex_data(const RSA *r, int idx))
 437
 438 DECLARE_ASN1_DUP_FUNCTION_name(RSA, RSAPublicKey)
 439 DECLARE_ASN1_DUP_FUNCTION_name(RSA, RSAPrivateKey)
 440
 441 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 442 /*
 443  * If this flag is set the RSA method is FIPS compliant and can be used in
 444  * FIPS mode. This is set in the validated module method. If an application
 445  * sets this flag in its own methods it is its responsibility to ensure the
 446  * result is compliant.
 447  */
 448
 449 #   define RSA_FLAG_FIPS_METHOD                    0x0400
 450
 451 /*
 452  * If this flag is set the operations normally disabled in FIPS mode are
 453  * permitted it is then the applications responsibility to ensure that the
 454  * usage is compliant.
 455  */
 456
 457 #   define RSA_FLAG_NON_FIPS_ALLOW                 0x0400
 458 /*
 459  * Application has decided PRNG is good enough to generate a key: don't
 460  * check.
 461  */
 462 #   define RSA_FLAG_CHECKED                        0x0800
 463 #  endif /* OPENSSL_NO_DEPRECATED_3_0 */
 464
 465 DEPRECATEDIN_3_0(RSA_METHOD *RSA_meth_new(const char *name, int flags))
 466 DEPRECATEDIN_3_0(void RSA_meth_free(RSA_METHOD *meth))
 467 DEPRECATEDIN_3_0(RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth))
 468 DEPRECATEDIN_3_0(const char *RSA_meth_get0_name(const RSA_METHOD *meth))
 469 DEPRECATEDIN_3_0(int RSA_meth_set1_name(RSA_METHOD *meth, const char *name))
 470 DEPRECATEDIN_3_0(int RSA_meth_get_flags(const RSA_METHOD *meth))
 471 DEPRECATEDIN_3_0(int RSA_meth_set_flags(RSA_METHOD *meth, int flags))
 472 DEPRECATEDIN_3_0(void *RSA_meth_get0_app_data(const RSA_METHOD *meth))
 473 DEPRECATEDIN_3_0(int RSA_meth_set0_app_data(RSA_METHOD *meth, void *app_data))
 474 DEPRECATEDIN_3_0(int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth))
 475     (int flen, const unsigned char *from,
 476      unsigned char *to, RSA *rsa, int padding))
 477 DEPRECATEDIN_3_0(int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
 478                          int (*pub_enc) (int flen, const unsigned char *from,
 479                                          unsigned char *to, RSA *rsa,
 480                                          int padding)))
 481 DEPRECATEDIN_3_0(int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth))
 482     (int flen, const unsigned char *from,
 483      unsigned char *to, RSA *rsa, int padding))
 484 DEPRECATEDIN_3_0(int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
 485                          int (*pub_dec) (int flen, const unsigned char *from,
 486                                          unsigned char *to, RSA *rsa,
 487                                          int padding)))
 488 DEPRECATEDIN_3_0(int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth))
 489     (int flen, const unsigned char *from,
 490      unsigned char *to, RSA *rsa, int padding))
 491 DEPRECATEDIN_3_0(int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
 492                           int (*priv_enc) (int flen, const unsigned char *from,
 493                                            unsigned char *to, RSA *rsa,
 494                                            int padding)))
 495 DEPRECATEDIN_3_0(int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth))
 496     (int flen, const unsigned char *from,
 497      unsigned char *to, RSA *rsa, int padding))
 498 DEPRECATEDIN_3_0(int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
 499                           int (*priv_dec) (int flen, const unsigned char *from,
 500                                            unsigned char *to, RSA *rsa,
 501                                            int padding)))
 502 DEPRECATEDIN_3_0(int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth))
 503     (BIGNUM *r0, const BIGNUM *i, RSA *rsa, BN_CTX *ctx))
 504 DEPRECATEDIN_3_0(int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
 505                          int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa,
 506                                          BN_CTX *ctx)))
 507 DEPRECATEDIN_3_0(int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth))
 508     (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
 509      const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx))
 510 DEPRECATEDIN_3_0(int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
 511                             int (*bn_mod_exp) (BIGNUM *r,
 512                                                const BIGNUM *a,
 513                                                const BIGNUM *p,
 514                                                const BIGNUM *m,
 515                                                BN_CTX *ctx,
 516                                                BN_MONT_CTX *m_ctx)))
 517 DEPRECATEDIN_3_0(int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa))
 518 DEPRECATEDIN_3_0(int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa)))
 519 DEPRECATEDIN_3_0(int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa))
 520 DEPRECATEDIN_3_0(int RSA_meth_set_finish(RSA_METHOD *rsa,
 521                             int (*finish) (RSA *rsa)))
 522 DEPRECATEDIN_3_0(int (*RSA_meth_get_sign(const RSA_METHOD *meth))
 523     (int type,
 524      const unsigned char *m, unsigned int m_length,
 525      unsigned char *sigret, unsigned int *siglen,
 526      const RSA *rsa))
 527 DEPRECATEDIN_3_0(int RSA_meth_set_sign(RSA_METHOD *rsa,
 528                       int (*sign) (int type, const unsigned char *m,
 529                                    unsigned int m_length,
 530                                    unsigned char *sigret, unsigned int *siglen,
 531                                    const RSA *rsa)))
 532 DEPRECATEDIN_3_0(int (*RSA_meth_get_verify(const RSA_METHOD *meth))
 533     (int dtype, const unsigned char *m,
 534      unsigned int m_length, const unsigned char *sigbuf,
 535      unsigned int siglen, const RSA *rsa))
 536 DEPRECATEDIN_3_0(int RSA_meth_set_verify(RSA_METHOD *rsa,
 537                         int (*verify) (int dtype, const unsigned char *m,
 538                                        unsigned int m_length,
 539                                        const unsigned char *sigbuf,
 540                                        unsigned int siglen, const RSA *rsa)))
 541 DEPRECATEDIN_3_0(int (*RSA_meth_get_keygen(const RSA_METHOD *meth))
 542     (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb))
 543 DEPRECATEDIN_3_0(int RSA_meth_set_keygen(RSA_METHOD *rsa,
 544                         int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
 545                                        BN_GENCB *cb)))
 546 DEPRECATEDIN_3_0(int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth))
 547     (RSA *rsa, int bits, int primes, BIGNUM *e, BN_GENCB *cb))
 548 DEPRECATEDIN_3_0(int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
 549                                     int (*keygen) (RSA *rsa, int bits,
 550                                                    int primes, BIGNUM *e,
 551                                                    BN_GENCB *cb)))
 552
 553 #  ifdef  __cplusplus
 554 }
 555 #  endif
 556 # endif
 557 #endif