2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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
11 # define OPENSSL_RSA_H
14 # include <openssl/macros.h>
15 # ifndef OPENSSL_NO_DEPRECATED_3_0
19 # include <openssl/opensslconf.h>
21 # include <openssl/asn1.h>
22 # include <openssl/bio.h>
23 # include <openssl/crypto.h>
24 # include <openssl/types.h>
25 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
26 # include <openssl/bn.h>
28 # include <openssl/rsaerr.h>
29 # include <openssl/safestack.h>
30 # ifndef OPENSSL_NO_STDIO
38 # ifndef OPENSSL_RSA_MAX_MODULUS_BITS
39 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384
43 # define RSA_F4 0x10001L
45 # ifndef OPENSSL_NO_DEPRECATED_3_0
46 /* The types RSA and RSA_METHOD are defined in ossl_typ.h */
48 # define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 2048
50 # ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
51 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
54 /* exponent limit enforced for "large" modulus only */
55 # ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
56 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64
58 /* based on RFC 8017 appendix A.1.2 */
59 # define RSA_ASN1_VERSION_DEFAULT 0
60 # define RSA_ASN1_VERSION_MULTI 1
62 # define RSA_DEFAULT_PRIME_NUM 2
64 # define RSA_METHOD_FLAG_NO_CHECK 0x0001
65 # define RSA_FLAG_CACHE_PUBLIC 0x0002
66 # define RSA_FLAG_CACHE_PRIVATE 0x0004
67 # define RSA_FLAG_BLINDING 0x0008
68 # define RSA_FLAG_THREAD_SAFE 0x0010
70 * This flag means the private key operations will be handled by rsa_mod_exp
71 * and that they do not depend on the private key components being present:
72 * for example a key stored in external hardware. Without this flag
73 * bn_mod_exp gets called when private key components are absent.
75 # define RSA_FLAG_EXT_PKEY 0x0020
78 * new with 0.9.6j and 0.9.7b; the built-in
79 * RSA implementation now uses blinding by
80 * default (ignoring RSA_FLAG_BLINDING),
81 * but other engines might not need it
83 # define RSA_FLAG_NO_BLINDING 0x0080
84 # endif /* OPENSSL_NO_DEPRECATED_3_0 */
86 * Does nothing. Previously this switched off constant time behaviour.
88 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
89 # define RSA_FLAG_NO_CONSTTIME 0x0000
91 /* deprecated name for the flag*/
93 * new with 0.9.7h; the built-in RSA
94 * implementation now uses constant time
95 * modular exponentiation for secret exponents
96 * by default. This flag causes the
97 * faster variable sliding window method to
98 * be used for all exponents.
100 # ifndef OPENSSL_NO_DEPRECATED_0_9_8
101 # define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
105 * New with 3.0: use part of the flags to denote exact type of RSA key,
106 * some of which are limited to specific signature and encryption schemes.
107 * These different types share the same RSA structure, but indicate the
108 * use of certain fields in that structure.
109 * Currently known are:
110 * RSA - this is the "normal" unlimited RSA structure (typenum 0)
111 * RSASSA-PSS - indicates that the PSS parameters are used.
112 * RSAES-OAEP - no specific field used for the moment, but OAEP padding
113 * is expected. (currently unused)
115 * 4 bits allow for 16 types
117 # define RSA_FLAG_TYPE_MASK 0xF000
118 # define RSA_FLAG_TYPE_RSA 0x0000
119 # define RSA_FLAG_TYPE_RSASSAPSS 0x1000
120 # define RSA_FLAG_TYPE_RSAESOAEP 0x2000
122 int EVP_PKEY_CTX_set_rsa_padding(EVP_PKEY_CTX *ctx, int pad_mode);
123 int EVP_PKEY_CTX_get_rsa_padding(EVP_PKEY_CTX *ctx, int *pad_mode);
125 int EVP_PKEY_CTX_set_rsa_pss_saltlen(EVP_PKEY_CTX *ctx, int saltlen);
126 int EVP_PKEY_CTX_get_rsa_pss_saltlen(EVP_PKEY_CTX *ctx, int *saltlen);
128 int EVP_PKEY_CTX_set_rsa_keygen_bits(EVP_PKEY_CTX *ctx, int bits);
129 int EVP_PKEY_CTX_set1_rsa_keygen_pubexp(EVP_PKEY_CTX *ctx, BIGNUM *pubexp);
130 int EVP_PKEY_CTX_set_rsa_keygen_primes(EVP_PKEY_CTX *ctx, int primes);
131 int EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(EVP_PKEY_CTX *ctx, int saltlen);
132 # ifndef OPENSSL_NO_DEPRECATED_3_0
133 OSSL_DEPRECATEDIN_3_0
134 int EVP_PKEY_CTX_set_rsa_keygen_pubexp(EVP_PKEY_CTX *ctx, BIGNUM *pubexp);
137 /* Salt length matches digest */
138 # define RSA_PSS_SALTLEN_DIGEST -1
139 /* Verify only: auto detect salt length */
140 # define RSA_PSS_SALTLEN_AUTO -2
141 /* Set salt length to maximum possible */
142 # define RSA_PSS_SALTLEN_MAX -3
143 /* Auto-detect on verify, set salt length to min(maximum possible, digest
145 # define RSA_PSS_SALTLEN_AUTO_DIGEST_MAX -4
146 /* Old compatible max salt length for sign only */
147 # define RSA_PSS_SALTLEN_MAX_SIGN -2
149 int EVP_PKEY_CTX_set_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
150 int EVP_PKEY_CTX_set_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
151 const char *mdprops);
152 int EVP_PKEY_CTX_get_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
153 int EVP_PKEY_CTX_get_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, char *name,
155 int EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
156 int EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md_name(EVP_PKEY_CTX *ctx,
159 int EVP_PKEY_CTX_set_rsa_pss_keygen_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
160 int EVP_PKEY_CTX_set_rsa_pss_keygen_md_name(EVP_PKEY_CTX *ctx,
162 const char *mdprops);
164 int EVP_PKEY_CTX_set_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
165 int EVP_PKEY_CTX_set_rsa_oaep_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
166 const char *mdprops);
167 int EVP_PKEY_CTX_get_rsa_oaep_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
168 int EVP_PKEY_CTX_get_rsa_oaep_md_name(EVP_PKEY_CTX *ctx, char *name,
170 int EVP_PKEY_CTX_set0_rsa_oaep_label(EVP_PKEY_CTX *ctx, void *label, int llen);
171 int EVP_PKEY_CTX_get0_rsa_oaep_label(EVP_PKEY_CTX *ctx, unsigned char **label);
173 # define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
174 # define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
176 # define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
177 # define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
178 # define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
180 # define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
181 # define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
182 # define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
184 # define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9)
185 # define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10)
187 # define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11)
188 # define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
190 # define EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES (EVP_PKEY_ALG_CTRL + 13)
192 # define EVP_PKEY_CTRL_RSA_IMPLICIT_REJECTION (EVP_PKEY_ALG_CTRL + 14)
194 # define RSA_PKCS1_PADDING 1
195 # define RSA_NO_PADDING 3
196 # define RSA_PKCS1_OAEP_PADDING 4
197 # define RSA_X931_PADDING 5
200 # define RSA_PKCS1_PSS_PADDING 6
201 # define RSA_PKCS1_WITH_TLS_PADDING 7
203 /* internal RSA_ only */
204 # define RSA_PKCS1_NO_IMPLICIT_REJECT_PADDING 8
206 # define RSA_PKCS1_PADDING_SIZE 11
208 # define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
209 # define RSA_get_app_data(s) RSA_get_ex_data(s,0)
211 # ifndef OPENSSL_NO_DEPRECATED_3_0
212 OSSL_DEPRECATEDIN_3_0 RSA *RSA_new(void);
213 OSSL_DEPRECATEDIN_3_0 RSA *RSA_new_method(ENGINE *engine);
214 OSSL_DEPRECATEDIN_3_0 int RSA_bits(const RSA *rsa);
215 OSSL_DEPRECATEDIN_3_0 int RSA_size(const RSA *rsa);
216 OSSL_DEPRECATEDIN_3_0 int RSA_security_bits(const RSA *rsa);
218 OSSL_DEPRECATEDIN_3_0 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
219 OSSL_DEPRECATEDIN_3_0 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
220 OSSL_DEPRECATEDIN_3_0 int RSA_set0_crt_params(RSA *r,
221 BIGNUM *dmp1, BIGNUM *dmq1,
223 OSSL_DEPRECATEDIN_3_0 int RSA_set0_multi_prime_params(RSA *r,
228 OSSL_DEPRECATEDIN_3_0 void RSA_get0_key(const RSA *r,
229 const BIGNUM **n, const BIGNUM **e,
231 OSSL_DEPRECATEDIN_3_0 void RSA_get0_factors(const RSA *r,
232 const BIGNUM **p, const BIGNUM **q);
233 OSSL_DEPRECATEDIN_3_0 int RSA_get_multi_prime_extra_count(const RSA *r);
234 OSSL_DEPRECATEDIN_3_0 int RSA_get0_multi_prime_factors(const RSA *r,
235 const BIGNUM *primes[]);
236 OSSL_DEPRECATEDIN_3_0 void RSA_get0_crt_params(const RSA *r,
239 const BIGNUM **iqmp);
240 OSSL_DEPRECATEDIN_3_0
241 int RSA_get0_multi_prime_crt_params(const RSA *r, const BIGNUM *exps[],
242 const BIGNUM *coeffs[]);
243 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_n(const RSA *d);
244 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_e(const RSA *d);
245 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_d(const RSA *d);
246 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_p(const RSA *d);
247 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_q(const RSA *d);
248 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_dmp1(const RSA *r);
249 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_dmq1(const RSA *r);
250 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_iqmp(const RSA *r);
251 OSSL_DEPRECATEDIN_3_0 const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r);
252 OSSL_DEPRECATEDIN_3_0 void RSA_clear_flags(RSA *r, int flags);
253 OSSL_DEPRECATEDIN_3_0 int RSA_test_flags(const RSA *r, int flags);
254 OSSL_DEPRECATEDIN_3_0 void RSA_set_flags(RSA *r, int flags);
255 OSSL_DEPRECATEDIN_3_0 int RSA_get_version(RSA *r);
256 OSSL_DEPRECATEDIN_3_0 ENGINE *RSA_get0_engine(const RSA *r);
257 # endif /* !OPENSSL_NO_DEPRECATED_3_0 */
259 # define EVP_RSA_gen(bits) \
260 EVP_PKEY_Q_keygen(NULL, NULL, "RSA", (size_t)(0 + (bits)))
262 /* Deprecated version */
263 # ifndef OPENSSL_NO_DEPRECATED_0_9_8
264 OSSL_DEPRECATEDIN_0_9_8 RSA *RSA_generate_key(int bits, unsigned long e, void
265 (*callback) (int, int, void *),
270 # ifndef OPENSSL_NO_DEPRECATED_3_0
271 OSSL_DEPRECATEDIN_3_0 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e,
273 /* Multi-prime version */
274 OSSL_DEPRECATEDIN_3_0 int RSA_generate_multi_prime_key(RSA *rsa, int bits,
275 int primes, BIGNUM *e,
278 OSSL_DEPRECATEDIN_3_0
279 int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2,
280 BIGNUM *q1, BIGNUM *q2,
281 const BIGNUM *Xp1, const BIGNUM *Xp2,
282 const BIGNUM *Xp, const BIGNUM *Xq1,
283 const BIGNUM *Xq2, const BIGNUM *Xq,
284 const BIGNUM *e, BN_GENCB *cb);
285 OSSL_DEPRECATEDIN_3_0 int RSA_X931_generate_key_ex(RSA *rsa, int bits,
289 OSSL_DEPRECATEDIN_3_0 int RSA_check_key(const RSA *);
290 OSSL_DEPRECATEDIN_3_0 int RSA_check_key_ex(const RSA *, BN_GENCB *cb);
291 /* next 4 return -1 on error */
292 OSSL_DEPRECATEDIN_3_0
293 int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to,
294 RSA *rsa, int padding);
295 OSSL_DEPRECATEDIN_3_0
296 int RSA_private_encrypt(int flen, const unsigned char *from, unsigned char *to,
297 RSA *rsa, int padding);
298 OSSL_DEPRECATEDIN_3_0
299 int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to,
300 RSA *rsa, int padding);
301 OSSL_DEPRECATEDIN_3_0
302 int RSA_private_decrypt(int flen, const unsigned char *from, unsigned char *to,
303 RSA *rsa, int padding);
304 OSSL_DEPRECATEDIN_3_0 void RSA_free(RSA *r);
305 /* "up" the RSA object's reference count */
306 OSSL_DEPRECATEDIN_3_0 int RSA_up_ref(RSA *r);
307 OSSL_DEPRECATEDIN_3_0 int RSA_flags(const RSA *r);
309 OSSL_DEPRECATEDIN_3_0 void RSA_set_default_method(const RSA_METHOD *meth);
310 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_get_default_method(void);
311 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_null_method(void);
312 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_get_method(const RSA *rsa);
313 OSSL_DEPRECATEDIN_3_0 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
315 /* these are the actual RSA functions */
316 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
318 DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(OSSL_DEPRECATEDIN_3_0,
320 DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(OSSL_DEPRECATEDIN_3_0,
322 # endif /* !OPENSSL_NO_DEPRECATED_3_0 */
324 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2);
326 struct rsa_pss_params_st {
327 X509_ALGOR *hashAlgorithm;
328 X509_ALGOR *maskGenAlgorithm;
329 ASN1_INTEGER *saltLength;
330 ASN1_INTEGER *trailerField;
331 /* Decoded hash algorithm from maskGenAlgorithm */
332 X509_ALGOR *maskHash;
335 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
336 DECLARE_ASN1_DUP_FUNCTION(RSA_PSS_PARAMS)
338 typedef struct rsa_oaep_params_st {
339 X509_ALGOR *hashFunc;
340 X509_ALGOR *maskGenFunc;
341 X509_ALGOR *pSourceFunc;
342 /* Decoded hash algorithm from maskGenFunc */
343 X509_ALGOR *maskHash;
346 DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
348 # ifndef OPENSSL_NO_DEPRECATED_3_0
349 # ifndef OPENSSL_NO_STDIO
350 OSSL_DEPRECATEDIN_3_0 int RSA_print_fp(FILE *fp, const RSA *r, int offset);
353 OSSL_DEPRECATEDIN_3_0 int RSA_print(BIO *bp, const RSA *r, int offset);
356 * The following 2 functions sign and verify a X509_SIG ASN1 object inside
357 * PKCS#1 padded RSA encryption
359 OSSL_DEPRECATEDIN_3_0 int RSA_sign(int type, const unsigned char *m,
360 unsigned int m_length, unsigned char *sigret,
361 unsigned int *siglen, RSA *rsa);
362 OSSL_DEPRECATEDIN_3_0 int RSA_verify(int type, const unsigned char *m,
363 unsigned int m_length,
364 const unsigned char *sigbuf,
365 unsigned int siglen, RSA *rsa);
368 * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
369 * PKCS#1 padded RSA encryption
371 OSSL_DEPRECATEDIN_3_0
372 int RSA_sign_ASN1_OCTET_STRING(int type,
373 const unsigned char *m, unsigned int m_length,
374 unsigned char *sigret, unsigned int *siglen,
376 OSSL_DEPRECATEDIN_3_0
377 int RSA_verify_ASN1_OCTET_STRING(int type,
378 const unsigned char *m, unsigned int m_length,
379 unsigned char *sigbuf, unsigned int siglen,
382 OSSL_DEPRECATEDIN_3_0 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
383 OSSL_DEPRECATEDIN_3_0 void RSA_blinding_off(RSA *rsa);
384 OSSL_DEPRECATEDIN_3_0 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
386 OSSL_DEPRECATEDIN_3_0
387 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
388 const unsigned char *f, int fl);
389 OSSL_DEPRECATEDIN_3_0
390 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
391 const unsigned char *f, int fl,
393 OSSL_DEPRECATEDIN_3_0
394 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
395 const unsigned char *f, int fl);
396 OSSL_DEPRECATEDIN_3_0
397 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
398 const unsigned char *f, int fl,
400 OSSL_DEPRECATEDIN_3_0 int PKCS1_MGF1(unsigned char *mask, long len,
401 const unsigned char *seed, long seedlen,
403 OSSL_DEPRECATEDIN_3_0
404 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
405 const unsigned char *f, int fl,
406 const unsigned char *p, int pl);
407 OSSL_DEPRECATEDIN_3_0
408 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
409 const unsigned char *f, int fl, int rsa_len,
410 const unsigned char *p, int pl);
411 OSSL_DEPRECATEDIN_3_0
412 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
413 const unsigned char *from, int flen,
414 const unsigned char *param, int plen,
415 const EVP_MD *md, const EVP_MD *mgf1md);
416 OSSL_DEPRECATEDIN_3_0
417 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
418 const unsigned char *from, int flen,
420 const unsigned char *param, int plen,
421 const EVP_MD *md, const EVP_MD *mgf1md);
422 OSSL_DEPRECATEDIN_3_0 int RSA_padding_add_none(unsigned char *to, int tlen,
423 const unsigned char *f, int fl);
424 OSSL_DEPRECATEDIN_3_0 int RSA_padding_check_none(unsigned char *to, int tlen,
425 const unsigned char *f, int fl,
427 OSSL_DEPRECATEDIN_3_0 int RSA_padding_add_X931(unsigned char *to, int tlen,
428 const unsigned char *f, int fl);
429 OSSL_DEPRECATEDIN_3_0 int RSA_padding_check_X931(unsigned char *to, int tlen,
430 const unsigned char *f, int fl,
432 OSSL_DEPRECATEDIN_3_0 int RSA_X931_hash_id(int nid);
434 OSSL_DEPRECATEDIN_3_0
435 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
436 const EVP_MD *Hash, const unsigned char *EM,
438 OSSL_DEPRECATEDIN_3_0
439 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
440 const unsigned char *mHash, const EVP_MD *Hash,
443 OSSL_DEPRECATEDIN_3_0
444 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
445 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
446 const unsigned char *EM, int sLen);
448 OSSL_DEPRECATEDIN_3_0
449 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
450 const unsigned char *mHash,
451 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
454 # define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
455 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
456 OSSL_DEPRECATEDIN_3_0 int RSA_set_ex_data(RSA *r, int idx, void *arg);
457 OSSL_DEPRECATEDIN_3_0 void *RSA_get_ex_data(const RSA *r, int idx);
459 DECLARE_ASN1_DUP_FUNCTION_name_attr(OSSL_DEPRECATEDIN_3_0, RSA, RSAPublicKey)
460 DECLARE_ASN1_DUP_FUNCTION_name_attr(OSSL_DEPRECATEDIN_3_0, RSA, RSAPrivateKey)
463 * If this flag is set the RSA method is FIPS compliant and can be used in
464 * FIPS mode. This is set in the validated module method. If an application
465 * sets this flag in its own methods it is its responsibility to ensure the
466 * result is compliant.
469 # define RSA_FLAG_FIPS_METHOD 0x0400
472 * If this flag is set the operations normally disabled in FIPS mode are
473 * permitted it is then the applications responsibility to ensure that the
474 * usage is compliant.
477 # define RSA_FLAG_NON_FIPS_ALLOW 0x0400
479 * Application has decided PRNG is good enough to generate a key: don't
482 # define RSA_FLAG_CHECKED 0x0800
484 OSSL_DEPRECATEDIN_3_0 RSA_METHOD *RSA_meth_new(const char *name, int flags);
485 OSSL_DEPRECATEDIN_3_0 void RSA_meth_free(RSA_METHOD *meth);
486 OSSL_DEPRECATEDIN_3_0 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
487 OSSL_DEPRECATEDIN_3_0 const char *RSA_meth_get0_name(const RSA_METHOD *meth);
488 OSSL_DEPRECATEDIN_3_0 int RSA_meth_set1_name(RSA_METHOD *meth,
490 OSSL_DEPRECATEDIN_3_0 int RSA_meth_get_flags(const RSA_METHOD *meth);
491 OSSL_DEPRECATEDIN_3_0 int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
492 OSSL_DEPRECATEDIN_3_0 void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
493 OSSL_DEPRECATEDIN_3_0 int RSA_meth_set0_app_data(RSA_METHOD *meth,
495 OSSL_DEPRECATEDIN_3_0
496 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth)) (int flen,
497 const unsigned char *from,
499 RSA *rsa, int padding);
500 OSSL_DEPRECATEDIN_3_0
501 int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
502 int (*pub_enc) (int flen, const unsigned char *from,
503 unsigned char *to, RSA *rsa,
505 OSSL_DEPRECATEDIN_3_0
506 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth)) (int flen,
507 const unsigned char *from,
509 RSA *rsa, int padding);
510 OSSL_DEPRECATEDIN_3_0
511 int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
512 int (*pub_dec) (int flen, const unsigned char *from,
513 unsigned char *to, RSA *rsa,
515 OSSL_DEPRECATEDIN_3_0
516 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth)) (int flen,
517 const unsigned char *from,
519 RSA *rsa, int padding);
520 OSSL_DEPRECATEDIN_3_0
521 int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
522 int (*priv_enc) (int flen, const unsigned char *from,
523 unsigned char *to, RSA *rsa,
525 OSSL_DEPRECATEDIN_3_0
526 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth)) (int flen,
527 const unsigned char *from,
529 RSA *rsa, int padding);
530 OSSL_DEPRECATEDIN_3_0
531 int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
532 int (*priv_dec) (int flen, const unsigned char *from,
533 unsigned char *to, RSA *rsa,
535 OSSL_DEPRECATEDIN_3_0
536 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth)) (BIGNUM *r0,
538 RSA *rsa, BN_CTX *ctx);
539 OSSL_DEPRECATEDIN_3_0
540 int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
541 int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa,
543 OSSL_DEPRECATEDIN_3_0
544 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth)) (BIGNUM *r,
550 OSSL_DEPRECATEDIN_3_0
551 int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
552 int (*bn_mod_exp) (BIGNUM *r,
557 BN_MONT_CTX *m_ctx));
558 OSSL_DEPRECATEDIN_3_0
559 int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa);
560 OSSL_DEPRECATEDIN_3_0
561 int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa));
562 OSSL_DEPRECATEDIN_3_0
563 int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa);
564 OSSL_DEPRECATEDIN_3_0
565 int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa));
566 OSSL_DEPRECATEDIN_3_0
567 int (*RSA_meth_get_sign(const RSA_METHOD *meth)) (int type,
568 const unsigned char *m,
569 unsigned int m_length,
570 unsigned char *sigret,
571 unsigned int *siglen,
573 OSSL_DEPRECATEDIN_3_0
574 int RSA_meth_set_sign(RSA_METHOD *rsa,
575 int (*sign) (int type, const unsigned char *m,
576 unsigned int m_length,
577 unsigned char *sigret, unsigned int *siglen,
579 OSSL_DEPRECATEDIN_3_0
580 int (*RSA_meth_get_verify(const RSA_METHOD *meth)) (int dtype,
581 const unsigned char *m,
582 unsigned int m_length,
583 const unsigned char *sigbuf,
586 OSSL_DEPRECATEDIN_3_0
587 int RSA_meth_set_verify(RSA_METHOD *rsa,
588 int (*verify) (int dtype, const unsigned char *m,
589 unsigned int m_length,
590 const unsigned char *sigbuf,
591 unsigned int siglen, const RSA *rsa));
592 OSSL_DEPRECATEDIN_3_0
593 int (*RSA_meth_get_keygen(const RSA_METHOD *meth)) (RSA *rsa, int bits,
594 BIGNUM *e, BN_GENCB *cb);
595 OSSL_DEPRECATEDIN_3_0
596 int RSA_meth_set_keygen(RSA_METHOD *rsa,
597 int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
599 OSSL_DEPRECATEDIN_3_0
600 int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth)) (RSA *rsa,
605 OSSL_DEPRECATEDIN_3_0
606 int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
607 int (*keygen) (RSA *rsa, int bits,
608 int primes, BIGNUM *e,
610 #endif /* !OPENSSL_NO_DEPRECATED_3_0 */