1 /* $OpenBSD: rsa.h,v 1.40 2019/06/05 15:41:33 gilles Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
62 #include <openssl/opensslconf.h>
64 #include <openssl/asn1.h>
66 #ifndef OPENSSL_NO_BIO
67 #include <openssl/bio.h>
69 #include <openssl/crypto.h>
70 #include <openssl/ossl_typ.h>
71 #ifndef OPENSSL_NO_DEPRECATED
72 #include <openssl/bn.h>
76 #error RSA is disabled.
83 /* Declared already in ossl_typ.h */
84 /* typedef struct rsa_st RSA; */
85 /* typedef struct rsa_meth_st RSA_METHOD; */
89 int (*rsa_pub_enc
)(int flen
, const unsigned char *from
,
90 unsigned char *to
, RSA
*rsa
, int padding
);
91 int (*rsa_pub_dec
)(int flen
, const unsigned char *from
,
92 unsigned char *to
, RSA
*rsa
, int padding
);
93 int (*rsa_priv_enc
)(int flen
, const unsigned char *from
,
94 unsigned char *to
, RSA
*rsa
, int padding
);
95 int (*rsa_priv_dec
)(int flen
, const unsigned char *from
,
96 unsigned char *to
, RSA
*rsa
, int padding
);
97 int (*rsa_mod_exp
)(BIGNUM
*r0
, const BIGNUM
*I
, RSA
*rsa
,
98 BN_CTX
*ctx
); /* Can be null */
99 int (*bn_mod_exp
)(BIGNUM
*r
, const BIGNUM
*a
, const BIGNUM
*p
,
100 const BIGNUM
*m
, BN_CTX
*ctx
, BN_MONT_CTX
*m_ctx
); /* Can be null */
101 int (*init
)(RSA
*rsa
); /* called at new */
102 int (*finish
)(RSA
*rsa
); /* called at free */
103 int flags
; /* RSA_METHOD_FLAG_* things */
104 char *app_data
; /* may be needed! */
105 /* New sign and verify functions: some libraries don't allow arbitrary data
106 * to be signed/verified: this allows them to be used. Note: for this to work
107 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
108 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards
109 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
110 * option is set in 'flags'.
112 int (*rsa_sign
)(int type
, const unsigned char *m
, unsigned int m_length
,
113 unsigned char *sigret
, unsigned int *siglen
, const RSA
*rsa
);
114 int (*rsa_verify
)(int dtype
, const unsigned char *m
,
115 unsigned int m_length
, const unsigned char *sigbuf
,
116 unsigned int siglen
, const RSA
*rsa
);
117 /* If this callback is NULL, the builtin software RSA key-gen will be used. This
118 * is for behavioural compatibility whilst the code gets rewired, but one day
119 * it would be nice to assume there are no such things as "builtin software"
120 * implementations. */
121 int (*rsa_keygen
)(RSA
*rsa
, int bits
, BIGNUM
*e
, BN_GENCB
*cb
);
125 /* The first parameter is used to pickup errors where
126 * this is passed instead of aEVP_PKEY, it is set to 0 */
129 const RSA_METHOD
*meth
;
130 /* functional reference if 'meth' is ENGINE-provided */
140 /* be careful using this if the RSA structure is shared */
141 CRYPTO_EX_DATA ex_data
;
145 /* Used to cache montgomery values */
146 BN_MONT_CTX
*_method_mod_n
;
147 BN_MONT_CTX
*_method_mod_p
;
148 BN_MONT_CTX
*_method_mod_q
;
150 /* all BIGNUM values are actually in the following data, if it is not
152 BN_BLINDING
*blinding
;
153 BN_BLINDING
*mt_blinding
;
156 #ifndef OPENSSL_RSA_MAX_MODULUS_BITS
157 # define OPENSSL_RSA_MAX_MODULUS_BITS 16384
160 #ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
161 # define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
163 #ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
164 # define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */
168 #define RSA_F4 0x10001L
170 /* Don't check pub/private match. */
171 #define RSA_METHOD_FLAG_NO_CHECK 0x0001
173 #define RSA_FLAG_CACHE_PUBLIC 0x0002
174 #define RSA_FLAG_CACHE_PRIVATE 0x0004
175 #define RSA_FLAG_BLINDING 0x0008
176 #define RSA_FLAG_THREAD_SAFE 0x0010
179 * This flag means the private key operations will be handled by rsa_mod_exp
180 * and that they do not depend on the private key components being present:
181 * for example a key stored in external hardware. Without this flag bn_mod_exp
182 * gets called when private key components are absent.
184 #define RSA_FLAG_EXT_PKEY 0x0020
187 * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
189 #define RSA_FLAG_SIGN_VER 0x0040
192 * The built-in RSA implementation uses blinding by default, but other engines
195 #define RSA_FLAG_NO_BLINDING 0x0080
197 #define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
198 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
201 #define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
202 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
203 EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
205 #define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
206 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
207 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
208 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
211 #define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
212 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
213 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
214 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
217 #define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
218 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
219 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
221 #define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
222 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
223 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
225 #define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
226 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_SIG, \
227 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
229 #define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
230 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_SIG, \
231 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
233 #define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
234 #define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
236 #define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
237 #define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
238 #define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
240 #define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
241 #define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
242 #define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
244 #define RSA_PKCS1_PADDING 1
245 #define RSA_SSLV23_PADDING 2
246 #define RSA_NO_PADDING 3
247 #define RSA_PKCS1_OAEP_PADDING 4
248 #define RSA_X931_PADDING 5
250 #define RSA_PKCS1_PSS_PADDING 6
252 #define RSA_PKCS1_PADDING_SIZE 11
254 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
255 #define RSA_get_app_data(s) RSA_get_ex_data(s,0)
258 RSA
*RSA_new_method(ENGINE
*engine
);
259 int RSA_bits(const RSA
*rsa
);
260 int RSA_size(const RSA
*rsa
);
262 /* Deprecated version */
263 #ifndef OPENSSL_NO_DEPRECATED
264 RSA
*RSA_generate_key(int bits
, unsigned long e
,
265 void (*callback
)(int, int, void *), void *cb_arg
);
266 #endif /* !defined(OPENSSL_NO_DEPRECATED) */
269 int RSA_generate_key_ex(RSA
*rsa
, int bits
, BIGNUM
*e
, BN_GENCB
*cb
);
271 int RSA_check_key(const RSA
*);
272 /* next 4 return -1 on error */
273 int RSA_public_encrypt(int flen
, const unsigned char *from
,
274 unsigned char *to
, RSA
*rsa
, int padding
);
275 int RSA_private_encrypt(int flen
, const unsigned char *from
,
276 unsigned char *to
, RSA
*rsa
, int padding
);
277 int RSA_public_decrypt(int flen
, const unsigned char *from
,
278 unsigned char *to
, RSA
*rsa
, int padding
);
279 int RSA_private_decrypt(int flen
, const unsigned char *from
,
280 unsigned char *to
, RSA
*rsa
, int padding
);
281 void RSA_free(RSA
*r
);
282 /* "up" the RSA object's reference count */
283 int RSA_up_ref(RSA
*r
);
285 int RSA_flags(const RSA
*r
);
287 void RSA_set_default_method(const RSA_METHOD
*meth
);
288 const RSA_METHOD
*RSA_get_default_method(void);
289 const RSA_METHOD
*RSA_get_method(const RSA
*rsa
);
290 int RSA_set_method(RSA
*rsa
, const RSA_METHOD
*meth
);
292 /* these are the actual SSLeay RSA functions */
293 const RSA_METHOD
*RSA_PKCS1_SSLeay(void);
295 const RSA_METHOD
*RSA_null_method(void);
297 RSA
*d2i_RSAPublicKey(RSA
**a
, const unsigned char **in
, long len
);
298 int i2d_RSAPublicKey(const RSA
*a
, unsigned char **out
);
299 extern const ASN1_ITEM RSAPublicKey_it
;
300 RSA
*d2i_RSAPrivateKey(RSA
**a
, const unsigned char **in
, long len
);
301 int i2d_RSAPrivateKey(const RSA
*a
, unsigned char **out
);
302 extern const ASN1_ITEM RSAPrivateKey_it
;
304 typedef struct rsa_pss_params_st
{
305 X509_ALGOR
*hashAlgorithm
;
306 X509_ALGOR
*maskGenAlgorithm
;
307 ASN1_INTEGER
*saltLength
;
308 ASN1_INTEGER
*trailerField
;
311 RSA_PSS_PARAMS
*RSA_PSS_PARAMS_new(void);
312 void RSA_PSS_PARAMS_free(RSA_PSS_PARAMS
*a
);
313 RSA_PSS_PARAMS
*d2i_RSA_PSS_PARAMS(RSA_PSS_PARAMS
**a
, const unsigned char **in
, long len
);
314 int i2d_RSA_PSS_PARAMS(RSA_PSS_PARAMS
*a
, unsigned char **out
);
315 extern const ASN1_ITEM RSA_PSS_PARAMS_it
;
317 int RSA_print_fp(FILE *fp
, const RSA
*r
, int offset
);
319 #ifndef OPENSSL_NO_BIO
320 int RSA_print(BIO
*bp
, const RSA
*r
, int offset
);
323 #ifndef OPENSSL_NO_RC4
324 int i2d_RSA_NET(const RSA
*a
, unsigned char **pp
,
325 int (*cb
)(char *buf
, int len
, const char *prompt
, int verify
), int sgckey
);
326 RSA
*d2i_RSA_NET(RSA
**a
, const unsigned char **pp
, long length
,
327 int (*cb
)(char *buf
, int len
, const char *prompt
, int verify
), int sgckey
);
329 int i2d_Netscape_RSA(const RSA
*a
, unsigned char **pp
,
330 int (*cb
)(char *buf
, int len
, const char *prompt
, int verify
));
331 RSA
*d2i_Netscape_RSA(RSA
**a
, const unsigned char **pp
, long length
,
332 int (*cb
)(char *buf
, int len
, const char *prompt
, int verify
));
335 /* The following 2 functions sign and verify a X509_SIG ASN1 object
336 * inside PKCS#1 padded RSA encryption */
337 int RSA_sign(int type
, const unsigned char *m
, unsigned int m_length
,
338 unsigned char *sigret
, unsigned int *siglen
, RSA
*rsa
);
339 int RSA_verify(int type
, const unsigned char *m
, unsigned int m_length
,
340 const unsigned char *sigbuf
, unsigned int siglen
, RSA
*rsa
);
342 /* The following 2 function sign and verify a ASN1_OCTET_STRING
343 * object inside PKCS#1 padded RSA encryption */
344 int RSA_sign_ASN1_OCTET_STRING(int type
, const unsigned char *m
,
345 unsigned int m_length
, unsigned char *sigret
, unsigned int *siglen
,
347 int RSA_verify_ASN1_OCTET_STRING(int type
, const unsigned char *m
,
348 unsigned int m_length
, unsigned char *sigbuf
, unsigned int siglen
,
351 int RSA_blinding_on(RSA
*rsa
, BN_CTX
*ctx
);
352 void RSA_blinding_off(RSA
*rsa
);
353 BN_BLINDING
*RSA_setup_blinding(RSA
*rsa
, BN_CTX
*ctx
);
355 int RSA_padding_add_PKCS1_type_1(unsigned char *to
, int tlen
,
356 const unsigned char *f
, int fl
);
357 int RSA_padding_check_PKCS1_type_1(unsigned char *to
, int tlen
,
358 const unsigned char *f
, int fl
, int rsa_len
);
359 int RSA_padding_add_PKCS1_type_2(unsigned char *to
, int tlen
,
360 const unsigned char *f
, int fl
);
361 int RSA_padding_check_PKCS1_type_2(unsigned char *to
, int tlen
,
362 const unsigned char *f
, int fl
, int rsa_len
);
363 int PKCS1_MGF1(unsigned char *mask
, long len
,
364 const unsigned char *seed
, long seedlen
, const EVP_MD
*dgst
);
365 int RSA_padding_add_PKCS1_OAEP(unsigned char *to
, int tlen
,
366 const unsigned char *f
, int fl
,
367 const unsigned char *p
, int pl
);
368 int RSA_padding_check_PKCS1_OAEP(unsigned char *to
, int tlen
,
369 const unsigned char *f
, int fl
, int rsa_len
,
370 const unsigned char *p
, int pl
);
371 int RSA_padding_add_none(unsigned char *to
, int tlen
,
372 const unsigned char *f
, int fl
);
373 int RSA_padding_check_none(unsigned char *to
, int tlen
,
374 const unsigned char *f
, int fl
, int rsa_len
);
375 int RSA_padding_add_X931(unsigned char *to
, int tlen
,
376 const unsigned char *f
, int fl
);
377 int RSA_padding_check_X931(unsigned char *to
, int tlen
,
378 const unsigned char *f
, int fl
, int rsa_len
);
379 int RSA_X931_hash_id(int nid
);
381 int RSA_verify_PKCS1_PSS(RSA
*rsa
, const unsigned char *mHash
,
382 const EVP_MD
*Hash
, const unsigned char *EM
, int sLen
);
383 int RSA_padding_add_PKCS1_PSS(RSA
*rsa
, unsigned char *EM
,
384 const unsigned char *mHash
, const EVP_MD
*Hash
, int sLen
);
386 int RSA_verify_PKCS1_PSS_mgf1(RSA
*rsa
, const unsigned char *mHash
,
387 const EVP_MD
*Hash
, const EVP_MD
*mgf1Hash
, const unsigned char *EM
,
390 int RSA_padding_add_PKCS1_PSS_mgf1(RSA
*rsa
, unsigned char *EM
,
391 const unsigned char *mHash
, const EVP_MD
*Hash
, const EVP_MD
*mgf1Hash
,
394 int RSA_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
395 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
);
396 int RSA_set_ex_data(RSA
*r
, int idx
, void *arg
);
397 void *RSA_get_ex_data(const RSA
*r
, int idx
);
399 void RSA_get0_key(const RSA
*r
, const BIGNUM
**n
, const BIGNUM
**e
,
401 int RSA_set0_key(RSA
*r
, BIGNUM
*n
, BIGNUM
*e
, BIGNUM
*d
);
402 void RSA_get0_crt_params(const RSA
*r
, const BIGNUM
**dmp1
, const BIGNUM
**dmq1
,
403 const BIGNUM
**iqmp
);
404 int RSA_set0_crt_params(RSA
*r
, BIGNUM
*dmp1
, BIGNUM
*dmq1
, BIGNUM
*iqmp
);
405 void RSA_get0_factors(const RSA
*r
, const BIGNUM
**p
, const BIGNUM
**q
);
406 int RSA_set0_factors(RSA
*r
, BIGNUM
*p
, BIGNUM
*q
);
407 void RSA_clear_flags(RSA
*r
, int flags
);
408 int RSA_test_flags(const RSA
*r
, int flags
);
409 void RSA_set_flags(RSA
*r
, int flags
);
411 RSA
*RSAPublicKey_dup(RSA
*rsa
);
412 RSA
*RSAPrivateKey_dup(RSA
*rsa
);
414 /* If this flag is set the RSA method is FIPS compliant and can be used
415 * in FIPS mode. This is set in the validated module method. If an
416 * application sets this flag in its own methods it is its responsibility
417 * to ensure the result is compliant.
420 #define RSA_FLAG_FIPS_METHOD 0x0400
422 /* If this flag is set the operations normally disabled in FIPS mode are
423 * permitted it is then the applications responsibility to ensure that the
424 * usage is compliant.
427 #define RSA_FLAG_NON_FIPS_ALLOW 0x0400
428 /* Application has decided PRNG is good enough to generate a key: don't
431 #define RSA_FLAG_CHECKED 0x0800
433 RSA_METHOD
*RSA_meth_new(const char *name
, int flags
);
434 void RSA_meth_free(RSA_METHOD
*meth
);
435 RSA_METHOD
*RSA_meth_dup(const RSA_METHOD
*meth
);
436 int RSA_meth_set1_name(RSA_METHOD
*meth
, const char *name
);
437 int RSA_meth_set_priv_enc(RSA_METHOD
*meth
, int (*priv_enc
)(int flen
,
438 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
));
439 int RSA_meth_set_priv_dec(RSA_METHOD
*meth
, int (*priv_dec
)(int flen
,
440 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
));
441 int (*RSA_meth_get_finish(const RSA_METHOD
*meth
))(RSA
*rsa
);
442 int RSA_meth_set_finish(RSA_METHOD
*meth
, int (*finish
)(RSA
*rsa
));
443 int RSA_meth_set_pub_enc(RSA_METHOD
*meth
, int (*pub_enc
)(int flen
,
444 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
));
445 int RSA_meth_set_pub_dec(RSA_METHOD
*meth
, int (*pub_dec
)(int flen
,
446 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
));
447 int RSA_meth_set_mod_exp(RSA_METHOD
*meth
, int (*mod_exp
)(BIGNUM
*r0
,
448 const BIGNUM
*i
, RSA
*rsa
, BN_CTX
*ctx
));
449 int RSA_meth_set_bn_mod_exp(RSA_METHOD
*meth
, int (*bn_mod_exp
)(BIGNUM
*r
,
450 const BIGNUM
*a
, const BIGNUM
*p
, const BIGNUM
*m
, BN_CTX
*ctx
,
451 BN_MONT_CTX
*m_ctx
));
452 int RSA_meth_set_init(RSA_METHOD
*meth
, int (*init
)(RSA
*rsa
));
453 int RSA_meth_set_keygen(RSA_METHOD
*meth
, int (*keygen
)(RSA
*rsa
, int bits
,
454 BIGNUM
*e
, BN_GENCB
*cb
));
455 int RSA_meth_set_flags(RSA_METHOD
*meth
, int flags
);
456 int RSA_meth_set0_app_data(RSA_METHOD
*meth
, void *app_data
);
457 const char *RSA_meth_get0_name(const RSA_METHOD
*);
458 int (*RSA_meth_get_pub_enc(const RSA_METHOD
*meth
))(int flen
,
459 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
);
460 int (*RSA_meth_get_pub_dec(const RSA_METHOD
*meth
))(int flen
,
461 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
);
462 int (*RSA_meth_get_priv_enc(const RSA_METHOD
*meth
))(int flen
,
463 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
);
464 int (*RSA_meth_get_priv_dec(const RSA_METHOD
*meth
))(int flen
,
465 const unsigned char *from
, unsigned char *to
, RSA
*rsa
, int padding
);
466 int (*RSA_meth_get_mod_exp(const RSA_METHOD
*meth
))(BIGNUM
*r0
, const BIGNUM
*i
,
467 RSA
*rsa
, BN_CTX
*ctx
);
468 int (*RSA_meth_get_bn_mod_exp(const RSA_METHOD
*meth
))(BIGNUM
*r
,
469 const BIGNUM
*a
, const BIGNUM
*p
, const BIGNUM
*m
, BN_CTX
*ctx
,
471 int (*RSA_meth_get_init(const RSA_METHOD
*meth
))(RSA
*rsa
);
472 int (*RSA_meth_get_keygen(const RSA_METHOD
*meth
))(RSA
*rsa
, int bits
, BIGNUM
*e
,
474 int RSA_meth_get_flags(const RSA_METHOD
*meth
);
475 void *RSA_meth_get0_app_data(const RSA_METHOD
*meth
);
476 int (*RSA_meth_get_sign(const RSA_METHOD
*meth
))(int type
,
477 const unsigned char *m
, unsigned int m_length
,
478 unsigned char *sigret
, unsigned int *siglen
,
480 int RSA_meth_set_sign(RSA_METHOD
*rsa
, int (*sign
)(int type
,
481 const unsigned char *m
, unsigned int m_length
, unsigned char *sigret
,
482 unsigned int *siglen
, const RSA
*rsa
));
483 int (*RSA_meth_get_verify(const RSA_METHOD
*meth
))(int dtype
,
484 const unsigned char *m
, unsigned int m_length
, const unsigned char *sigbuf
,
485 unsigned int siglen
, const RSA
*rsa
);
486 int RSA_meth_set_verify(RSA_METHOD
*rsa
, int (*verify
)(int dtype
,
487 const unsigned char *m
, unsigned int m_length
, const unsigned char *sigbuf
,
488 unsigned int siglen
, const RSA
*rsa
));
491 /* BEGIN ERROR CODES */
492 /* The following lines are auto generated by the script mkerr.pl. Any changes
493 * made after this point may be overwritten when the script is next run.
495 void ERR_load_RSA_strings(void);
497 /* Error codes for the RSA functions. */
499 /* Function codes. */
500 #define RSA_F_CHECK_PADDING_MD 140
501 #define RSA_F_DO_RSA_PRINT 146
502 #define RSA_F_INT_RSA_VERIFY 145
503 #define RSA_F_MEMORY_LOCK 100
504 #define RSA_F_OLD_RSA_PRIV_DECODE 147
505 #define RSA_F_PKEY_RSA_CTRL 143
506 #define RSA_F_PKEY_RSA_CTRL_STR 144
507 #define RSA_F_PKEY_RSA_SIGN 142
508 #define RSA_F_PKEY_RSA_VERIFY 154
509 #define RSA_F_PKEY_RSA_VERIFYRECOVER 141
510 #define RSA_F_RSA_BUILTIN_KEYGEN 129
511 #define RSA_F_RSA_CHECK_KEY 123
512 #define RSA_F_RSA_EAY_MOD_EXP 157
513 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
514 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
515 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
516 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
517 #define RSA_F_RSA_GENERATE_KEY 105
518 #define RSA_F_RSA_GENERATE_KEY_EX 155
519 #define RSA_F_RSA_ITEM_VERIFY 156
520 #define RSA_F_RSA_MEMORY_LOCK 130
521 #define RSA_F_RSA_NEW_METHOD 106
522 #define RSA_F_RSA_NULL 124
523 #define RSA_F_RSA_NULL_MOD_EXP 131
524 #define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132
525 #define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133
526 #define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134
527 #define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135
528 #define RSA_F_RSA_PADDING_ADD_NONE 107
529 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
530 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
531 #define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148
532 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
533 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
534 #define RSA_F_RSA_PADDING_ADD_X931 127
535 #define RSA_F_RSA_PADDING_CHECK_NONE 111
536 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
537 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
538 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
539 #define RSA_F_RSA_PADDING_CHECK_X931 128
540 #define RSA_F_RSA_PRINT 115
541 #define RSA_F_RSA_PRINT_FP 116
542 #define RSA_F_RSA_PRIVATE_DECRYPT 150
543 #define RSA_F_RSA_PRIVATE_ENCRYPT 151
544 #define RSA_F_RSA_PRIV_DECODE 137
545 #define RSA_F_RSA_PRIV_ENCODE 138
546 #define RSA_F_RSA_PUBLIC_DECRYPT 152
547 #define RSA_F_RSA_PUBLIC_ENCRYPT 153
548 #define RSA_F_RSA_PUB_DECODE 139
549 #define RSA_F_RSA_SETUP_BLINDING 136
550 #define RSA_F_RSA_SIGN 117
551 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
552 #define RSA_F_RSA_VERIFY 119
553 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
554 #define RSA_F_RSA_VERIFY_PKCS1_PSS 126
555 #define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149
558 #define RSA_R_ALGORITHM_MISMATCH 100
559 #define RSA_R_BAD_E_VALUE 101
560 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
561 #define RSA_R_BAD_PAD_BYTE_COUNT 103
562 #define RSA_R_BAD_SIGNATURE 104
563 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106
564 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107
565 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
566 #define RSA_R_DATA_TOO_LARGE 109
567 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
568 #define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
569 #define RSA_R_DATA_TOO_SMALL 111
570 #define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
571 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
572 #define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
573 #define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
574 #define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
575 #define RSA_R_FIRST_OCTET_INVALID 133
576 #define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144
577 #define RSA_R_INVALID_DIGEST_LENGTH 143
578 #define RSA_R_INVALID_HEADER 137
579 #define RSA_R_INVALID_KEYBITS 145
580 #define RSA_R_INVALID_MESSAGE_LENGTH 131
581 #define RSA_R_INVALID_MGF1_MD 156
582 #define RSA_R_INVALID_PADDING 138
583 #define RSA_R_INVALID_PADDING_MODE 141
584 #define RSA_R_INVALID_PSS_PARAMETERS 149
585 #define RSA_R_INVALID_PSS_SALTLEN 146
586 #define RSA_R_INVALID_SALT_LENGTH 150
587 #define RSA_R_INVALID_TRAILER 139
588 #define RSA_R_INVALID_X931_DIGEST 142
589 #define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
590 #define RSA_R_KEY_SIZE_TOO_SMALL 120
591 #define RSA_R_LAST_OCTET_INVALID 134
592 #define RSA_R_MODULUS_TOO_LARGE 105
593 #define RSA_R_NON_FIPS_RSA_METHOD 157
594 #define RSA_R_NO_PUBLIC_EXPONENT 140
595 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
596 #define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
597 #define RSA_R_OAEP_DECODING_ERROR 121
598 #define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158
599 #define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148
600 #define RSA_R_PADDING_CHECK_FAILED 114
601 #define RSA_R_P_NOT_PRIME 128
602 #define RSA_R_Q_NOT_PRIME 129
603 #define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
604 #define RSA_R_SLEN_CHECK_FAILED 136
605 #define RSA_R_SLEN_RECOVERY_FAILED 135
606 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115
607 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
608 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
609 #define RSA_R_UNKNOWN_MASK_DIGEST 151
610 #define RSA_R_UNKNOWN_PADDING_TYPE 118
611 #define RSA_R_UNKNOWN_PSS_DIGEST 152
612 #define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153
613 #define RSA_R_UNSUPPORTED_MASK_PARAMETER 154
614 #define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155
615 #define RSA_R_VALUE_MISSING 147
616 #define RSA_R_WRONG_SIGNATURE_LENGTH 119