2 * Copyright 1995-2020 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 # 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>
29 # include <openssl/rsaerr.h>
30 # include <openssl/safestack.h>
36 # ifndef OPENSSL_RSA_MAX_MODULUS_BITS
37 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384
41 # define RSA_F4 0x10001L
43 # ifndef OPENSSL_NO_DEPRECATED_3_0
44 /* The types RSA and RSA_METHOD are defined in ossl_typ.h */
46 # define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 2048
48 # ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
49 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
52 /* exponent limit enforced for "large" modulus only */
53 # ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
54 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64
56 /* based on RFC 8017 appendix A.1.2 */
57 # define RSA_ASN1_VERSION_DEFAULT 0
58 # define RSA_ASN1_VERSION_MULTI 1
60 # define RSA_DEFAULT_PRIME_NUM 2
62 # define RSA_METHOD_FLAG_NO_CHECK 0x0001
63 # define RSA_FLAG_CACHE_PUBLIC 0x0002
64 # define RSA_FLAG_CACHE_PRIVATE 0x0004
65 # define RSA_FLAG_BLINDING 0x0008
66 # define RSA_FLAG_THREAD_SAFE 0x0010
68 * This flag means the private key operations will be handled by rsa_mod_exp
69 * and that they do not depend on the private key components being present:
70 * for example a key stored in external hardware. Without this flag
71 * bn_mod_exp gets called when private key components are absent.
73 # define RSA_FLAG_EXT_PKEY 0x0020
76 * new with 0.9.6j and 0.9.7b; the built-in
77 * RSA implementation now uses blinding by
78 * default (ignoring RSA_FLAG_BLINDING),
79 * but other engines might not need it
81 # define RSA_FLAG_NO_BLINDING 0x0080
82 # endif /* OPENSSL_NO_DEPRECATED_3_0 */
84 * Does nothing. Previously this switched off constant time behaviour.
86 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
87 # define RSA_FLAG_NO_CONSTTIME 0x0000
89 /* deprecated name for the flag*/
91 * new with 0.9.7h; the built-in RSA
92 * implementation now uses constant time
93 * modular exponentiation for secret exponents
94 * by default. This flag causes the
95 * faster variable sliding window method to
96 * be used for all exponents.
98 # ifndef OPENSSL_NO_DEPRECATED_0_9_8
99 # define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
103 * New with 3.0: use part of the flags to denote exact type of RSA key,
104 * some of which are limited to specific signature and encryption schemes.
105 * These different types share the same RSA structure, but indicate the
106 * use of certain fields in that structure.
107 * Currently known are:
108 * RSA - this is the "normal" unlimited RSA structure (typenum 0)
109 * RSASSA-PSS - indicates that the PSS parameters are used.
110 * RSAES-OAEP - no specific field used for the moment, but OAEP padding
111 * is expected. (currently unused)
113 * 4 bits allow for 16 types
115 # define RSA_FLAG_TYPE_MASK 0xF000
116 # define RSA_FLAG_TYPE_RSA 0x0000
117 # define RSA_FLAG_TYPE_RSASSAPSS 0x1000
118 # define RSA_FLAG_TYPE_RSAESOAEP 0x2000
120 int EVP_PKEY_CTX_set_rsa_padding(EVP_PKEY_CTX *ctx, int pad_mode);
121 int EVP_PKEY_CTX_get_rsa_padding(EVP_PKEY_CTX *ctx, int *pad_mode);
123 int EVP_PKEY_CTX_set_rsa_pss_saltlen(EVP_PKEY_CTX *ctx, int saltlen);
124 int EVP_PKEY_CTX_get_rsa_pss_saltlen(EVP_PKEY_CTX *ctx, int *saltlen);
126 int EVP_PKEY_CTX_set_rsa_keygen_bits(EVP_PKEY_CTX *ctx, int bits);
127 int EVP_PKEY_CTX_set1_rsa_keygen_pubexp(EVP_PKEY_CTX *ctx, BIGNUM *pubexp);
128 int EVP_PKEY_CTX_set_rsa_keygen_primes(EVP_PKEY_CTX *ctx, int primes);
129 int EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(EVP_PKEY_CTX *ctx, int saltlen);
130 # ifndef OPENSSL_NO_DEPRECATED_3_0
131 OSSL_DEPRECATEDIN_3_0
132 int EVP_PKEY_CTX_set_rsa_keygen_pubexp(EVP_PKEY_CTX *ctx, BIGNUM *pubexp);
135 /* Salt length matches digest */
136 # define RSA_PSS_SALTLEN_DIGEST -1
137 /* Verify only: auto detect salt length */
138 # define RSA_PSS_SALTLEN_AUTO -2
139 /* Set salt length to maximum possible */
140 # define RSA_PSS_SALTLEN_MAX -3
141 /* Old compatible max salt length for sign only */
142 # define RSA_PSS_SALTLEN_MAX_SIGN -2
144 int EVP_PKEY_CTX_set_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
145 int EVP_PKEY_CTX_set_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, const char *mdname,
146 const char *mdprops);
147 int EVP_PKEY_CTX_get_rsa_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
148 int EVP_PKEY_CTX_get_rsa_mgf1_md_name(EVP_PKEY_CTX *ctx, char *name,
150 int EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
151 int EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md_name(EVP_PKEY_CTX *ctx,
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,
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);
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, \
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)
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)
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)
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)
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)
186 # define EVP_PKEY_CTRL_RSA_KEYGEN_PRIMES (EVP_PKEY_ALG_CTRL + 13)
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
195 # define RSA_PKCS1_PSS_PADDING 6
196 # define RSA_PKCS1_WITH_TLS_PADDING 7
198 # define RSA_PKCS1_PADDING_SIZE 11
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)
203 # ifndef OPENSSL_NO_DEPRECATED_3_0
204 OSSL_DEPRECATEDIN_3_0 RSA *RSA_new(void);
205 OSSL_DEPRECATEDIN_3_0 RSA *RSA_new_method(ENGINE *engine);
206 OSSL_DEPRECATEDIN_3_0 int RSA_bits(const RSA *rsa);
207 OSSL_DEPRECATEDIN_3_0 int RSA_size(const RSA *rsa);
208 OSSL_DEPRECATEDIN_3_0 int RSA_security_bits(const RSA *rsa);
210 OSSL_DEPRECATEDIN_3_0 int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
211 OSSL_DEPRECATEDIN_3_0 int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
212 OSSL_DEPRECATEDIN_3_0 int RSA_set0_crt_params(RSA *r,
213 BIGNUM *dmp1, BIGNUM *dmq1,
215 OSSL_DEPRECATEDIN_3_0 int RSA_set0_multi_prime_params(RSA *r,
220 OSSL_DEPRECATEDIN_3_0 void RSA_get0_key(const RSA *r,
221 const BIGNUM **n, const BIGNUM **e,
223 OSSL_DEPRECATEDIN_3_0 void RSA_get0_factors(const RSA *r,
224 const BIGNUM **p, const BIGNUM **q);
225 OSSL_DEPRECATEDIN_3_0 int RSA_get_multi_prime_extra_count(const RSA *r);
226 OSSL_DEPRECATEDIN_3_0 int RSA_get0_multi_prime_factors(const RSA *r,
227 const BIGNUM *primes[]);
228 OSSL_DEPRECATEDIN_3_0 void RSA_get0_crt_params(const RSA *r,
231 const BIGNUM **iqmp);
232 OSSL_DEPRECATEDIN_3_0
233 int RSA_get0_multi_prime_crt_params(const RSA *r, const BIGNUM *exps[],
234 const BIGNUM *coeffs[]);
235 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_n(const RSA *d);
236 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_e(const RSA *d);
237 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_d(const RSA *d);
238 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_p(const RSA *d);
239 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_q(const RSA *d);
240 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_dmp1(const RSA *r);
241 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_dmq1(const RSA *r);
242 OSSL_DEPRECATEDIN_3_0 const BIGNUM *RSA_get0_iqmp(const RSA *r);
243 OSSL_DEPRECATEDIN_3_0 const RSA_PSS_PARAMS *RSA_get0_pss_params(const RSA *r);
244 OSSL_DEPRECATEDIN_3_0 void RSA_clear_flags(RSA *r, int flags);
245 OSSL_DEPRECATEDIN_3_0 int RSA_test_flags(const RSA *r, int flags);
246 OSSL_DEPRECATEDIN_3_0 void RSA_set_flags(RSA *r, int flags);
247 OSSL_DEPRECATEDIN_3_0 int RSA_get_version(RSA *r);
248 OSSL_DEPRECATEDIN_3_0 ENGINE *RSA_get0_engine(const RSA *r);
249 # endif /* !OPENSSL_NO_DEPRECATED_3_0 */
251 /* Deprecated version */
252 # ifndef OPENSSL_NO_DEPRECATED_0_9_8
253 OSSL_DEPRECATEDIN_0_9_8 RSA *RSA_generate_key(int bits, unsigned long e, void
254 (*callback) (int, int, void *),
259 # ifndef OPENSSL_NO_DEPRECATED_3_0
260 OSSL_DEPRECATEDIN_3_0 int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e,
262 /* Multi-prime version */
263 OSSL_DEPRECATEDIN_3_0 int RSA_generate_multi_prime_key(RSA *rsa, int bits,
264 int primes, BIGNUM *e,
267 OSSL_DEPRECATEDIN_3_0
268 int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2,
269 BIGNUM *q1, BIGNUM *q2,
270 const BIGNUM *Xp1, const BIGNUM *Xp2,
271 const BIGNUM *Xp, const BIGNUM *Xq1,
272 const BIGNUM *Xq2, const BIGNUM *Xq,
273 const BIGNUM *e, BN_GENCB *cb);
274 OSSL_DEPRECATEDIN_3_0 int RSA_X931_generate_key_ex(RSA *rsa, int bits,
278 OSSL_DEPRECATEDIN_3_0 int RSA_check_key(const RSA *);
279 OSSL_DEPRECATEDIN_3_0 int RSA_check_key_ex(const RSA *, BN_GENCB *cb);
280 /* next 4 return -1 on error */
281 OSSL_DEPRECATEDIN_3_0
282 int RSA_public_encrypt(int flen, const unsigned char *from, unsigned char *to,
283 RSA *rsa, int padding);
284 OSSL_DEPRECATEDIN_3_0
285 int RSA_private_encrypt(int flen, const unsigned char *from, unsigned char *to,
286 RSA *rsa, int padding);
287 OSSL_DEPRECATEDIN_3_0
288 int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to,
289 RSA *rsa, int padding);
290 OSSL_DEPRECATEDIN_3_0
291 int RSA_private_decrypt(int flen, const unsigned char *from, unsigned char *to,
292 RSA *rsa, int padding);
293 OSSL_DEPRECATEDIN_3_0 void RSA_free(RSA *r);
294 /* "up" the RSA object's reference count */
295 OSSL_DEPRECATEDIN_3_0 int RSA_up_ref(RSA *r);
296 OSSL_DEPRECATEDIN_3_0 int RSA_flags(const RSA *r);
298 OSSL_DEPRECATEDIN_3_0 void RSA_set_default_method(const RSA_METHOD *meth);
299 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_get_default_method(void);
300 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_null_method(void);
301 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_get_method(const RSA *rsa);
302 OSSL_DEPRECATEDIN_3_0 int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
304 /* these are the actual RSA functions */
305 OSSL_DEPRECATEDIN_3_0 const RSA_METHOD *RSA_PKCS1_OpenSSL(void);
307 DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(OSSL_DEPRECATEDIN_3_0,
309 DECLARE_ASN1_ENCODE_FUNCTIONS_name_attr(OSSL_DEPRECATEDIN_3_0,
311 # endif /* !OPENSSL_NO_DEPRECATED_3_0 */
313 int RSA_pkey_ctx_ctrl(EVP_PKEY_CTX *ctx, int optype, int cmd, int p1, void *p2);
315 struct rsa_pss_params_st {
316 X509_ALGOR *hashAlgorithm;
317 X509_ALGOR *maskGenAlgorithm;
318 ASN1_INTEGER *saltLength;
319 ASN1_INTEGER *trailerField;
320 /* Decoded hash algorithm from maskGenAlgorithm */
321 X509_ALGOR *maskHash;
324 DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
326 typedef struct rsa_oaep_params_st {
327 X509_ALGOR *hashFunc;
328 X509_ALGOR *maskGenFunc;
329 X509_ALGOR *pSourceFunc;
330 /* Decoded hash algorithm from maskGenFunc */
331 X509_ALGOR *maskHash;
334 DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
336 # ifndef OPENSSL_NO_DEPRECATED_3_0
337 # ifndef OPENSSL_NO_STDIO
338 OSSL_DEPRECATEDIN_3_0 int RSA_print_fp(FILE *fp, const RSA *r, int offset);
341 OSSL_DEPRECATEDIN_3_0 int RSA_print(BIO *bp, const RSA *r, int offset);
344 * The following 2 functions sign and verify a X509_SIG ASN1 object inside
345 * PKCS#1 padded RSA encryption
347 OSSL_DEPRECATEDIN_3_0 int RSA_sign(int type, const unsigned char *m,
348 unsigned int m_length, unsigned char *sigret,
349 unsigned int *siglen, RSA *rsa);
350 OSSL_DEPRECATEDIN_3_0 int RSA_verify(int type, const unsigned char *m,
351 unsigned int m_length,
352 const unsigned char *sigbuf,
353 unsigned int siglen, RSA *rsa);
356 * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
357 * PKCS#1 padded RSA encryption
359 OSSL_DEPRECATEDIN_3_0
360 int RSA_sign_ASN1_OCTET_STRING(int type,
361 const unsigned char *m, unsigned int m_length,
362 unsigned char *sigret, unsigned int *siglen,
364 OSSL_DEPRECATEDIN_3_0
365 int RSA_verify_ASN1_OCTET_STRING(int type,
366 const unsigned char *m, unsigned int m_length,
367 unsigned char *sigbuf, unsigned int siglen,
370 OSSL_DEPRECATEDIN_3_0 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
371 OSSL_DEPRECATEDIN_3_0 void RSA_blinding_off(RSA *rsa);
372 OSSL_DEPRECATEDIN_3_0 BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
374 OSSL_DEPRECATEDIN_3_0
375 int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
376 const unsigned char *f, int fl);
377 OSSL_DEPRECATEDIN_3_0
378 int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
379 const unsigned char *f, int fl,
381 OSSL_DEPRECATEDIN_3_0
382 int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
383 const unsigned char *f, int fl);
384 OSSL_DEPRECATEDIN_3_0
385 int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
386 const unsigned char *f, int fl,
388 OSSL_DEPRECATEDIN_3_0 int PKCS1_MGF1(unsigned char *mask, long len,
389 const unsigned char *seed, long seedlen,
391 OSSL_DEPRECATEDIN_3_0
392 int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
393 const unsigned char *f, int fl,
394 const unsigned char *p, int pl);
395 OSSL_DEPRECATEDIN_3_0
396 int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
397 const unsigned char *f, int fl, int rsa_len,
398 const unsigned char *p, int pl);
399 OSSL_DEPRECATEDIN_3_0
400 int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
401 const unsigned char *from, int flen,
402 const unsigned char *param, int plen,
403 const EVP_MD *md, const EVP_MD *mgf1md);
404 OSSL_DEPRECATEDIN_3_0
405 int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
406 const unsigned char *from, int flen,
408 const unsigned char *param, int plen,
409 const EVP_MD *md, const EVP_MD *mgf1md);
410 OSSL_DEPRECATEDIN_3_0
411 int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
412 const unsigned char *f, int fl);
413 OSSL_DEPRECATEDIN_3_0
414 int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
415 const unsigned char *f, int fl,
417 OSSL_DEPRECATEDIN_3_0 int RSA_padding_add_none(unsigned char *to, int tlen,
418 const unsigned char *f, int fl);
419 OSSL_DEPRECATEDIN_3_0 int RSA_padding_check_none(unsigned char *to, int tlen,
420 const unsigned char *f, int fl,
422 OSSL_DEPRECATEDIN_3_0 int RSA_padding_add_X931(unsigned char *to, int tlen,
423 const unsigned char *f, int fl);
424 OSSL_DEPRECATEDIN_3_0 int RSA_padding_check_X931(unsigned char *to, int tlen,
425 const unsigned char *f, int fl,
427 OSSL_DEPRECATEDIN_3_0 int RSA_X931_hash_id(int nid);
429 OSSL_DEPRECATEDIN_3_0
430 int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
431 const EVP_MD *Hash, const unsigned char *EM,
433 OSSL_DEPRECATEDIN_3_0
434 int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
435 const unsigned char *mHash, const EVP_MD *Hash,
438 OSSL_DEPRECATEDIN_3_0
439 int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
440 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
441 const unsigned char *EM, int sLen);
443 OSSL_DEPRECATEDIN_3_0
444 int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
445 const unsigned char *mHash,
446 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
449 # define RSA_get_ex_new_index(l, p, newf, dupf, freef) \
450 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_RSA, l, p, newf, dupf, freef)
451 OSSL_DEPRECATEDIN_3_0 int RSA_set_ex_data(RSA *r, int idx, void *arg);
452 OSSL_DEPRECATEDIN_3_0 void *RSA_get_ex_data(const RSA *r, int idx);
454 DECLARE_ASN1_DUP_FUNCTION_name_attr(OSSL_DEPRECATEDIN_3_0, RSA, RSAPublicKey)
455 DECLARE_ASN1_DUP_FUNCTION_name_attr(OSSL_DEPRECATEDIN_3_0, RSA, RSAPrivateKey)
458 * If this flag is set the RSA method is FIPS compliant and can be used in
459 * FIPS mode. This is set in the validated module method. If an application
460 * sets this flag in its own methods it is its responsibility to ensure the
461 * result is compliant.
464 # define RSA_FLAG_FIPS_METHOD 0x0400
467 * If this flag is set the operations normally disabled in FIPS mode are
468 * permitted it is then the applications responsibility to ensure that the
469 * usage is compliant.
472 # define RSA_FLAG_NON_FIPS_ALLOW 0x0400
474 * Application has decided PRNG is good enough to generate a key: don't
477 # define RSA_FLAG_CHECKED 0x0800
479 OSSL_DEPRECATEDIN_3_0 RSA_METHOD *RSA_meth_new(const char *name, int flags);
480 OSSL_DEPRECATEDIN_3_0 void RSA_meth_free(RSA_METHOD *meth);
481 OSSL_DEPRECATEDIN_3_0 RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
482 OSSL_DEPRECATEDIN_3_0 const char *RSA_meth_get0_name(const RSA_METHOD *meth);
483 OSSL_DEPRECATEDIN_3_0 int RSA_meth_set1_name(RSA_METHOD *meth,
485 OSSL_DEPRECATEDIN_3_0 int RSA_meth_get_flags(const RSA_METHOD *meth);
486 OSSL_DEPRECATEDIN_3_0 int RSA_meth_set_flags(RSA_METHOD *meth, int flags);
487 OSSL_DEPRECATEDIN_3_0 void *RSA_meth_get0_app_data(const RSA_METHOD *meth);
488 OSSL_DEPRECATEDIN_3_0 int RSA_meth_set0_app_data(RSA_METHOD *meth,
490 OSSL_DEPRECATEDIN_3_0
491 int (*RSA_meth_get_pub_enc(const RSA_METHOD *meth)) (int flen,
492 const unsigned char *from,
494 RSA *rsa, int padding);
495 OSSL_DEPRECATEDIN_3_0
496 int RSA_meth_set_pub_enc(RSA_METHOD *rsa,
497 int (*pub_enc) (int flen, const unsigned char *from,
498 unsigned char *to, RSA *rsa,
500 OSSL_DEPRECATEDIN_3_0
501 int (*RSA_meth_get_pub_dec(const RSA_METHOD *meth)) (int flen,
502 const unsigned char *from,
504 RSA *rsa, int padding);
505 OSSL_DEPRECATEDIN_3_0
506 int RSA_meth_set_pub_dec(RSA_METHOD *rsa,
507 int (*pub_dec) (int flen, const unsigned char *from,
508 unsigned char *to, RSA *rsa,
510 OSSL_DEPRECATEDIN_3_0
511 int (*RSA_meth_get_priv_enc(const RSA_METHOD *meth)) (int flen,
512 const unsigned char *from,
514 RSA *rsa, int padding);
515 OSSL_DEPRECATEDIN_3_0
516 int RSA_meth_set_priv_enc(RSA_METHOD *rsa,
517 int (*priv_enc) (int flen, const unsigned char *from,
518 unsigned char *to, RSA *rsa,
520 OSSL_DEPRECATEDIN_3_0
521 int (*RSA_meth_get_priv_dec(const RSA_METHOD *meth)) (int flen,
522 const unsigned char *from,
524 RSA *rsa, int padding);
525 OSSL_DEPRECATEDIN_3_0
526 int RSA_meth_set_priv_dec(RSA_METHOD *rsa,
527 int (*priv_dec) (int flen, const unsigned char *from,
528 unsigned char *to, RSA *rsa,
530 OSSL_DEPRECATEDIN_3_0
531 int (*RSA_meth_get_mod_exp(const RSA_METHOD *meth)) (BIGNUM *r0,
533 RSA *rsa, BN_CTX *ctx);
534 OSSL_DEPRECATEDIN_3_0
535 int RSA_meth_set_mod_exp(RSA_METHOD *rsa,
536 int (*mod_exp) (BIGNUM *r0, const BIGNUM *i, RSA *rsa,
538 OSSL_DEPRECATEDIN_3_0
539 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD *meth)) (BIGNUM *r,
545 OSSL_DEPRECATEDIN_3_0
546 int RSA_meth_set_bn_mod_exp(RSA_METHOD *rsa,
547 int (*bn_mod_exp) (BIGNUM *r,
552 BN_MONT_CTX *m_ctx));
553 OSSL_DEPRECATEDIN_3_0
554 int (*RSA_meth_get_init(const RSA_METHOD *meth)) (RSA *rsa);
555 OSSL_DEPRECATEDIN_3_0
556 int RSA_meth_set_init(RSA_METHOD *rsa, int (*init) (RSA *rsa));
557 OSSL_DEPRECATEDIN_3_0
558 int (*RSA_meth_get_finish(const RSA_METHOD *meth)) (RSA *rsa);
559 OSSL_DEPRECATEDIN_3_0
560 int RSA_meth_set_finish(RSA_METHOD *rsa, int (*finish) (RSA *rsa));
561 OSSL_DEPRECATEDIN_3_0
562 int (*RSA_meth_get_sign(const RSA_METHOD *meth)) (int type,
563 const unsigned char *m,
564 unsigned int m_length,
565 unsigned char *sigret,
566 unsigned int *siglen,
568 OSSL_DEPRECATEDIN_3_0
569 int RSA_meth_set_sign(RSA_METHOD *rsa,
570 int (*sign) (int type, const unsigned char *m,
571 unsigned int m_length,
572 unsigned char *sigret, unsigned int *siglen,
574 OSSL_DEPRECATEDIN_3_0
575 int (*RSA_meth_get_verify(const RSA_METHOD *meth)) (int dtype,
576 const unsigned char *m,
577 unsigned int m_length,
578 const unsigned char *sigbuf,
581 OSSL_DEPRECATEDIN_3_0
582 int RSA_meth_set_verify(RSA_METHOD *rsa,
583 int (*verify) (int dtype, const unsigned char *m,
584 unsigned int m_length,
585 const unsigned char *sigbuf,
586 unsigned int siglen, const RSA *rsa));
587 OSSL_DEPRECATEDIN_3_0
588 int (*RSA_meth_get_keygen(const RSA_METHOD *meth)) (RSA *rsa, int bits,
589 BIGNUM *e, BN_GENCB *cb);
590 OSSL_DEPRECATEDIN_3_0
591 int RSA_meth_set_keygen(RSA_METHOD *rsa,
592 int (*keygen) (RSA *rsa, int bits, BIGNUM *e,
594 OSSL_DEPRECATEDIN_3_0
595 int (*RSA_meth_get_multi_prime_keygen(const RSA_METHOD *meth)) (RSA *rsa,
600 OSSL_DEPRECATEDIN_3_0
601 int RSA_meth_set_multi_prime_keygen(RSA_METHOD *meth,
602 int (*keygen) (RSA *rsa, int bits,
603 int primes, BIGNUM *e,
605 #endif /* !OPENSSL_NO_DEPRECATED_3_0 */