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CMS public key parameter support.
[thirdparty/openssl.git] / crypto / rsa / rsa.h
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d02b48c6 1/* crypto/rsa/rsa.h */
58964a49 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE		 3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58
59#ifndef HEADER_RSA_H
60#define HEADER_RSA_H
61
78d3b819
DSH		 62#include <openssl/asn1.h>
63
cf1b7d96 64#ifndef OPENSSL_NO_BIO
ef33b970
RL		 65#include <openssl/bio.h>
66#endif
ec577822 67#include <openssl/crypto.h>
2aa9043a 68#include <openssl/ossl_typ.h>
0f814687
GT		 69#ifndef OPENSSL_NO_DEPRECATED
70#include <openssl/bn.h>
71#endif
d02b48c6 72
cf1b7d96 73#ifdef OPENSSL_NO_RSA
f5d7a031
UM		 74#error RSA is disabled.
75#endif
76
82271cee
RL		 77#ifdef __cplusplus
78extern "C" {
79#endif
80
3a87a9b9
GT		 81/* Declared already in ossl_typ.h */
82/* typedef struct rsa_st RSA; */
83/* typedef struct rsa_meth_st RSA_METHOD; */
03f8b042 84
3a87a9b9 85struct rsa_meth_st
d02b48c6 86 {
e778802f 87 const char *name;
29c1f061
RL		 88 int (*rsa_pub_enc)(int flen,const unsigned char *from,
89 unsigned char *to,
03f8b042 90 RSA *rsa,int padding);
29c1f061
RL		 91 int (*rsa_pub_dec)(int flen,const unsigned char *from,
92 unsigned char *to,
03f8b042 93 RSA *rsa,int padding);
29c1f061
RL		 94 int (*rsa_priv_enc)(int flen,const unsigned char *from,
95 unsigned char *to,
03f8b042 96 RSA *rsa,int padding);
29c1f061
RL		 97 int (*rsa_priv_dec)(int flen,const unsigned char *from,
98 unsigned char *to,
03f8b042 99 RSA *rsa,int padding);
46ef873f 100 int (*rsa_mod_exp)(BIGNUM *r0,const BIGNUM *I,RSA *rsa,BN_CTX *ctx); /* Can be null */
29c1f061 101 int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
84c15db5
BL		 102 const BIGNUM *m, BN_CTX *ctx,
103 BN_MONT_CTX *m_ctx); /* Can be null */
03f8b042
BL		 104 int (*init)(RSA *rsa); /* called at new */
105 int (*finish)(RSA *rsa); /* called at free */
58964a49
RE		 106 int flags; /* RSA_METHOD_FLAG_* things */
107 char *app_data; /* may be needed! */
1c80019a
DSH		 108/* New sign and verify functions: some libraries don't allow arbitrary data
109 * to be signed/verified: this allows them to be used. Note: for this to work
110 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
111 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards
657e60fa 112 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
1c80019a
DSH		 113 * option is set in 'flags'.
114 */
29c1f061 115 int (*rsa_sign)(int type,
3e83e686 116 const unsigned char *m, unsigned int m_length,
29c1f061
RL		 117 unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
118 int (*rsa_verify)(int dtype,
3e83e686 119 const unsigned char *m, unsigned int m_length,
4f59b658
DSH		 120 const unsigned char *sigbuf, unsigned int siglen,
121 const RSA *rsa);
2814c629
GT		 122/* If this callback is NULL, the builtin software RSA key-gen will be used. This
123 * is for behavioural compatibility whilst the code gets rewired, but one day
124 * it would be nice to assume there are no such things as "builtin software"
125 * implementations. */
bcfea9fb 126 int (*rsa_keygen)(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
3a87a9b9 127 };
d02b48c6 128
03f8b042 129struct rsa_st
d02b48c6
RE		 130 {
131 /* The first parameter is used to pickup errors where
132 * this is passed instead of aEVP_PKEY, it is set to 0 */
133 int pad;
9d6b1ce6 134 long version;
cb78486d
GT		 135 const RSA_METHOD *meth;
136 /* functional reference if 'meth' is ENGINE-provided */
137 ENGINE *engine;
d02b48c6
RE		 138 BIGNUM *n;
139 BIGNUM *e;
140 BIGNUM *d;
141 BIGNUM *p;
142 BIGNUM *q;
143 BIGNUM *dmp1;
144 BIGNUM *dmq1;
145 BIGNUM *iqmp;
770d19b8 146 /* be careful using this if the RSA structure is shared */
58964a49 147 CRYPTO_EX_DATA ex_data;
d02b48c6 148 int references;
58964a49
RE		 149 int flags;
150
03f8b042
BL		 151 /* Used to cache montgomery values */
152 BN_MONT_CTX *_method_mod_n;
153 BN_MONT_CTX *_method_mod_p;
154 BN_MONT_CTX *_method_mod_q;
58964a49 155
dfeab068
RE		 156 /* all BIGNUM values are actually in the following data, if it is not
157 * NULL */
158 char *bignum_data;
58964a49 159 BN_BLINDING *blinding;
800e400d 160 BN_BLINDING *mt_blinding;
03f8b042 161 };
d02b48c6 162
5e3225cc
BM		 163#ifndef OPENSSL_RSA_MAX_MODULUS_BITS
164# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
165#endif
166
c553721e
DSH		 167#define OPENSSL_RSA_FIPS_MIN_MODULUS_BITS 1024
168
5e3225cc
BM		 169#ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
170# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
171#endif
172#ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
173# define OPENSSL_RSA_MAX_PUBEXP_BITS 64 /* exponent limit enforced for "large" modulus only */
174#endif
175
d02b48c6
RE		 176#define RSA_3 0x3L
177#define RSA_F4 0x10001L
178
46a64376 179#define RSA_METHOD_FLAG_NO_CHECK 0x0001 /* don't check pub/private match */
dfeab068 180
46a64376
BM		 181#define RSA_FLAG_CACHE_PUBLIC 0x0002
182#define RSA_FLAG_CACHE_PRIVATE 0x0004
183#define RSA_FLAG_BLINDING 0x0008
184#define RSA_FLAG_THREAD_SAFE 0x0010
770d19b8
DSH		 185/* This flag means the private key operations will be handled by rsa_mod_exp
186 * and that they do not depend on the private key components being present:
187 * for example a key stored in external hardware. Without this flag bn_mod_exp
188 * gets called when private key components are absent.
189 */
46a64376 190#define RSA_FLAG_EXT_PKEY 0x0020
58964a49 191
1c80019a
DSH		 192/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
193 */
46a64376
BM		 194#define RSA_FLAG_SIGN_VER 0x0040
195
196#define RSA_FLAG_NO_BLINDING 0x0080 /* new with 0.9.6j and 0.9.7b; the built-in
197 * RSA implementation now uses blinding by
198 * default (ignoring RSA_FLAG_BLINDING),
199 * but other engines might not need it
200 */
bd31fb21
BM		 201#define RSA_FLAG_NO_CONSTTIME 0x0100 /* new with 0.9.8f; the built-in RSA
202 * implementation now uses constant time
203 * operations by default in private key operations,
204 * e.g., constant time modular exponentiation,
205 * modular inverse without leaking branches,
206 * division without leaking branches. This
207 * flag disables these constant time
208 * operations and results in faster RSA
209 * private key operations.
210 */
211#ifndef OPENSSL_NO_DEPRECATED
212#define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME /* deprecated name for the flag*/
213 /* new with 0.9.7h; the built-in RSA
46a64376
BM		 214 * implementation now uses constant time
215 * modular exponentiation for secret exponents
216 * by default. This flag causes the
217 * faster variable sliding window method to
218 * be used for all exponents.
219 */
bd31fb21
BM		 220#endif
221
c554155b 222
4a3dc3c0 223#define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
6471c9f4 224 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
4a3dc3c0
DSH		 225 pad, NULL)
226
1c8d9299
DSH		 227#define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
228 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
229 EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
230
f9a6348a
DSH		 231#define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
232 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
233 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
234 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
235 len, NULL)
236
1c8d9299
DSH		 237#define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
238 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
239 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
240 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
241 0, plen)
242
54d853eb
DSH		 243#define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
244 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
245 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
246
247#define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
248 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
249 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
250
31904ecd 251#define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
271fef0e
DSH		 252 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
253 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
31904ecd
DSH		 254 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
255
271fef0e
DSH		 256#define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \
257 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
258 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md)
259
1c8d9299 260#define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
271fef0e
DSH		 261 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
262 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
1c8d9299
DSH		 263 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
264
211a14f6
DSH		 265#define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
266 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
267 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd)
268
271fef0e
DSH		 269#define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
270 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
271 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l)
272
211a14f6
DSH		 273#define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \
274 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
275 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l)
276
b2a97be7 277#define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
f9a6348a 278#define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
4a3dc3c0 279
54d853eb
DSH		 280#define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
281#define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
31904ecd 282#define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
54d853eb 283
1c8d9299
DSH		 284#define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
285#define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
286#define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
287
271fef0e
DSH		 288#define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9)
289#define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10)
290
211a14f6
DSH		 291#define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11)
292#define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
293
58964a49
RE		 294#define RSA_PKCS1_PADDING 1
295#define RSA_SSLV23_PADDING 2
296#define RSA_NO_PADDING 3
a4949896 297#define RSA_PKCS1_OAEP_PADDING 4
499fca2d 298#define RSA_X931_PADDING 5
29db322e
DSH		 299/* EVP_PKEY_ only */
300#define RSA_PKCS1_PSS_PADDING 6
58964a49 301
ba8ad074
RL		 302#define RSA_PKCS1_PADDING_SIZE 11
303
dd9d233e 304#define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
58964a49 305#define RSA_get_app_data(s) RSA_get_ex_data(s,0)
d02b48c6 306
d02b48c6 307RSA * RSA_new(void);
cb78486d 308RSA * RSA_new_method(ENGINE *engine);
9945b460 309int RSA_size(const RSA *rsa);
e9224c71
GT		 310
311/* Deprecated version */
312#ifndef OPENSSL_NO_DEPRECATED
d02b48c6 313RSA * RSA_generate_key(int bits, unsigned long e,void
b4f76582 314 (*callback)(int,int,void *),void *cb_arg);
e9224c71
GT		 315#endif /* !defined(OPENSSL_NO_DEPRECATED) */
316
317/* New version */
bcfea9fb 318int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
e9224c71 319
c553721e
DSH		 320int RSA_X931_derive_ex(RSA *rsa, BIGNUM *p1, BIGNUM *p2, BIGNUM *q1, BIGNUM *q2,
321 const BIGNUM *Xp1, const BIGNUM *Xp2, const BIGNUM *Xp,
322 const BIGNUM *Xq1, const BIGNUM *Xq2, const BIGNUM *Xq,
323 const BIGNUM *e, BN_GENCB *cb);
324int RSA_X931_generate_key_ex(RSA *rsa, int bits, const BIGNUM *e, BN_GENCB *cb);
325
29c1f061 326int RSA_check_key(const RSA *);
d02b48c6 327 /* next 4 return -1 on error */
29c1f061 328int RSA_public_encrypt(int flen, const unsigned char *from,
d02b48c6 329 unsigned char *to, RSA *rsa,int padding);
29c1f061 330int RSA_private_encrypt(int flen, const unsigned char *from,
d02b48c6 331 unsigned char *to, RSA *rsa,int padding);
29c1f061 332int RSA_public_decrypt(int flen, const unsigned char *from,
d02b48c6 333 unsigned char *to, RSA *rsa,int padding);
29c1f061 334int RSA_private_decrypt(int flen, const unsigned char *from,
d02b48c6
RE		 335 unsigned char *to, RSA *rsa,int padding);
336void RSA_free (RSA *r);
5cbc2e8b 337/* "up" the RSA object's reference count */
6ac4e8bd 338int RSA_up_ref(RSA *r);
d02b48c6 339
29c1f061 340int RSA_flags(const RSA *r);
58964a49 341
cb78486d
GT		 342void RSA_set_default_method(const RSA_METHOD *meth);
343const RSA_METHOD *RSA_get_default_method(void);
29c1f061 344const RSA_METHOD *RSA_get_method(const RSA *rsa);
cb78486d 345int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
d02b48c6 346
dfeab068
RE		 347/* This function needs the memory locking malloc callbacks to be installed */
348int RSA_memory_lock(RSA *r);
349
d02b48c6 350/* these are the actual SSLeay RSA functions */
7be7c2ed 351const RSA_METHOD *RSA_PKCS1_SSLeay(void);
d02b48c6 352
7be7c2ed 353const RSA_METHOD *RSA_null_method(void);
c1cd88a0 354
78d3b819
DSH		 355DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
356DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
357
63b825c9 358typedef struct rsa_pss_params_st
ff04bbe3
DSH		 359 {
360 X509_ALGOR *hashAlgorithm;
361 X509_ALGOR *maskGenAlgorithm;
362 ASN1_INTEGER *saltLength;
363 ASN1_INTEGER *trailerField;
63b825c9 364 } RSA_PSS_PARAMS;
ff04bbe3 365
63b825c9 366DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
ff04bbe3 367
cf1b7d96 368#ifndef OPENSSL_NO_FP_API
29c1f061 369int RSA_print_fp(FILE *fp, const RSA *r,int offset);
d02b48c6
RE		 370#endif
371
cf1b7d96 372#ifndef OPENSSL_NO_BIO
29c1f061 373int RSA_print(BIO *bp, const RSA *r,int offset);
d02b48c6
RE		 374#endif
375
6c287834 376#ifndef OPENSSL_NO_RC4
41a15c4f
BL		 377int i2d_RSA_NET(const RSA *a, unsigned char **pp,
378 int (*cb)(char *buf, int len, const char *prompt, int verify),
379 int sgckey);
380RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
381 int (*cb)(char *buf, int len, const char *prompt, int verify),
382 int sgckey);
383
384int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
385 int (*cb)(char *buf, int len, const char *prompt,
386 int verify));
387RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
388 int (*cb)(char *buf, int len, const char *prompt,
389 int verify));
6c287834 390#endif
d02b48c6
RE		 391
392/* The following 2 functions sign and verify a X509_SIG ASN1 object
393 * inside PKCS#1 padded RSA encryption */
3e83e686 394int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
816d7857 395 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
3e83e686 396int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
4f59b658 397 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
d02b48c6
RE		 398
399/* The following 2 function sign and verify a ASN1_OCTET_STRING
400 * object inside PKCS#1 padded RSA encryption */
29c1f061 401int RSA_sign_ASN1_OCTET_STRING(int type,
3e83e686 402 const unsigned char *m, unsigned int m_length,
d02b48c6 403 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
29c1f061 404int RSA_verify_ASN1_OCTET_STRING(int type,
3e83e686 405 const unsigned char *m, unsigned int m_length,
d02b48c6
RE		 406 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
407
58964a49
RE		 408int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
409void RSA_blinding_off(RSA *rsa);
800e400d 410BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
58964a49
RE		 411
412int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
29c1f061 413 const unsigned char *f,int fl);
58964a49 414int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
29c1f061 415 const unsigned char *f,int fl,int rsa_len);
58964a49 416int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
29c1f061 417 const unsigned char *f,int fl);
58964a49 418int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
29c1f061 419 const unsigned char *f,int fl,int rsa_len);
499fca2d
DSH		 420int PKCS1_MGF1(unsigned char *mask, long len,
421 const unsigned char *seed, long seedlen, const EVP_MD *dgst);
a4949896 422int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
29c1f061
RL		 423 const unsigned char *f,int fl,
424 const unsigned char *p,int pl);
a4949896 425int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
29c1f061
RL		 426 const unsigned char *f,int fl,int rsa_len,
427 const unsigned char *p,int pl);
271fef0e
DSH		 428int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
429 const unsigned char *from, int flen,
430 const unsigned char *param, int plen,
431 const EVP_MD *md, const EVP_MD *mgf1md);
432int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
433 const unsigned char *from, int flen, int num,
434 const unsigned char *param, int plen,
435 const EVP_MD *md, const EVP_MD *mgf1md);
58964a49 436int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
29c1f061 437 const unsigned char *f,int fl);
58964a49 438int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
29c1f061 439 const unsigned char *f,int fl,int rsa_len);
58964a49 440int RSA_padding_add_none(unsigned char *to,int tlen,
29c1f061 441 const unsigned char *f,int fl);
58964a49 442int RSA_padding_check_none(unsigned char *to,int tlen,
29c1f061 443 const unsigned char *f,int fl,int rsa_len);
499fca2d
DSH		 444int RSA_padding_add_X931(unsigned char *to,int tlen,
445 const unsigned char *f,int fl);
446int RSA_padding_check_X931(unsigned char *to,int tlen,
447 const unsigned char *f,int fl,int rsa_len);
448int RSA_X931_hash_id(int nid);
58964a49 449
c7aaf391
AP		 450int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
451 const EVP_MD *Hash, const unsigned char *EM, int sLen);
452int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
453 const unsigned char *mHash,
454 const EVP_MD *Hash, int sLen);
455
c553721e
DSH		 456int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
457 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
458 const unsigned char *EM, int sLen);
459
460int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
461 const unsigned char *mHash,
462 const EVP_MD *Hash, const EVP_MD *mgf1Hash, int sLen);
463
dd9d233e
DSH		 464int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
465 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
466int RSA_set_ex_data(RSA *r,int idx,void *arg);
29c1f061 467void *RSA_get_ex_data(const RSA *r, int idx);
58964a49 468
40889b9c
LJ		 469RSA *RSAPublicKey_dup(RSA *rsa);
470RSA *RSAPrivateKey_dup(RSA *rsa);
471
c553721e
DSH		 472/* If this flag is set the RSA method is FIPS compliant and can be used
473 * in FIPS mode. This is set in the validated module method. If an
dc03504d 474 * application sets this flag in its own methods it is its responsibility
c553721e
DSH		 475 * to ensure the result is compliant.
476 */
477
478#define RSA_FLAG_FIPS_METHOD 0x0400
479
480/* If this flag is set the operations normally disabled in FIPS mode are
481 * permitted it is then the applications responsibility to ensure that the
482 * usage is compliant.
483 */
484
485#define RSA_FLAG_NON_FIPS_ALLOW 0x0400
cac4fb58
DSH		 486/* Application has decided PRNG is good enough to generate a key: don't
487 * check.
488 */
489#define RSA_FLAG_CHECKED 0x0800
c553721e 490
d02b48c6 491/* BEGIN ERROR CODES */
6d311938
DSH		 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.
494 */
24cff6ce 495void ERR_load_RSA_strings(void);
6d311938 496
d02b48c6
RE		 497/* Error codes for the RSA functions. */
498
499/* Function codes. */
c927df3f 500#define RSA_F_CHECK_PADDING_MD 140
5c95c2ac 501#define RSA_F_DO_RSA_PRINT 146
2440d8b1 502#define RSA_F_FIPS_RSA_SIGN_DIGEST 149
c553721e 503#define RSA_F_FIPS_RSA_VERIFY 150
2440d8b1 504#define RSA_F_FIPS_RSA_VERIFY_DIGEST 151
47a9d527 505#define RSA_F_INT_RSA_VERIFY 145
499fca2d 506#define RSA_F_MEMORY_LOCK 100
5c95c2ac 507#define RSA_F_OLD_RSA_PRIV_DECODE 147
7f57b076
DSH		 508#define RSA_F_PKEY_RSA_CTRL 143
509#define RSA_F_PKEY_RSA_CTRL_STR 144
75d44c04 510#define RSA_F_PKEY_RSA_SIGN 142
b2a97be7 511#define RSA_F_PKEY_RSA_VERIFYRECOVER 141
499fca2d 512#define RSA_F_RSA_BUILTIN_KEYGEN 129
03cd4944 513#define RSA_F_RSA_CHECK_KEY 123
dfeab068
RE		 514#define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
515#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
516#define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
517#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
499fca2d 518#define RSA_F_RSA_GENERATE_KEY 105
31904ecd 519#define RSA_F_RSA_ITEM_VERIFY 148
499fca2d 520#define RSA_F_RSA_MEMORY_LOCK 130
dfeab068 521#define RSA_F_RSA_NEW_METHOD 106
c1cd88a0 522#define RSA_F_RSA_NULL 124
499fca2d
DSH		 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
dfeab068 528#define RSA_F_RSA_PADDING_ADD_NONE 107
a4949896 529#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
271fef0e 530#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1 154
499fca2d 531#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
2440d8b1 532#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 152
dfeab068
RE		 533#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
534#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
535#define RSA_F_RSA_PADDING_ADD_SSLV23 110
499fca2d 536#define RSA_F_RSA_PADDING_ADD_X931 127
dfeab068 537#define RSA_F_RSA_PADDING_CHECK_NONE 111
a4949896 538#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
271fef0e 539#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1 153
dfeab068
RE		 540#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
541#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
542#define RSA_F_RSA_PADDING_CHECK_SSLV23 114
499fca2d 543#define RSA_F_RSA_PADDING_CHECK_X931 128
dfeab068
RE		 544#define RSA_F_RSA_PRINT 115
545#define RSA_F_RSA_PRINT_FP 116
448be743
DSH		 546#define RSA_F_RSA_PRIV_DECODE 137
547#define RSA_F_RSA_PRIV_ENCODE 138
548#define RSA_F_RSA_PUB_DECODE 139
499fca2d 549#define RSA_F_RSA_SETUP_BLINDING 136
dfeab068
RE		 550#define RSA_F_RSA_SIGN 117
551#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
47a9d527 552#define RSA_F_RSA_VERIFY 119
dfeab068 553#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
2440d8b1 554#define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 126
d02b48c6
RE		 555
556/* Reason codes. */
557#define RSA_R_ALGORITHM_MISMATCH 100
558#define RSA_R_BAD_E_VALUE 101
559#define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
560#define RSA_R_BAD_PAD_BYTE_COUNT 103
561#define RSA_R_BAD_SIGNATURE 104
58964a49
RE		 562#define RSA_R_BLOCK_TYPE_IS_NOT_01 106
563#define RSA_R_BLOCK_TYPE_IS_NOT_02 107
564#define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
565#define RSA_R_DATA_TOO_LARGE 109
566#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
24cff6ce 567#define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
58964a49 568#define RSA_R_DATA_TOO_SMALL 111
0c8a1281 569#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
58964a49 570#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
03cd4944
BM		 571#define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
572#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
c1cd88a0 573#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
499fca2d 574#define RSA_R_FIRST_OCTET_INVALID 133
7f57b076 575#define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144
271fef0e 576#define RSA_R_INVALID_DIGEST 157
75d44c04 577#define RSA_R_INVALID_DIGEST_LENGTH 143
499fca2d 578#define RSA_R_INVALID_HEADER 137
7f57b076 579#define RSA_R_INVALID_KEYBITS 145
1c80019a 580#define RSA_R_INVALID_MESSAGE_LENGTH 131
1c8d9299 581#define RSA_R_INVALID_MGF1_MD 156
499fca2d 582#define RSA_R_INVALID_PADDING 138
b2a97be7 583#define RSA_R_INVALID_PADDING_MODE 141
31904ecd 584#define RSA_R_INVALID_PSS_PARAMETERS 149
7f57b076 585#define RSA_R_INVALID_PSS_SALTLEN 146
31904ecd 586#define RSA_R_INVALID_SALT_LENGTH 150
499fca2d 587#define RSA_R_INVALID_TRAILER 139
b2a97be7 588#define RSA_R_INVALID_X931_DIGEST 142
03cd4944 589#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
a4949896 590#define RSA_R_KEY_SIZE_TOO_SMALL 120
499fca2d 591#define RSA_R_LAST_OCTET_INVALID 134
5e3225cc 592#define RSA_R_MODULUS_TOO_LARGE 105
499fca2d 593#define RSA_R_NO_PUBLIC_EXPONENT 140
58964a49 594#define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
3a55fc1a 595#define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
a4949896 596#define RSA_R_OAEP_DECODING_ERROR 121
4f1aa191 597#define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148
58964a49 598#define RSA_R_PADDING_CHECK_FAILED 114
03cd4944
BM		 599#define RSA_R_P_NOT_PRIME 128
600#define RSA_R_Q_NOT_PRIME 129
c1cd88a0 601#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
739a543e
BM		 602#define RSA_R_SLEN_CHECK_FAILED 136
603#define RSA_R_SLEN_RECOVERY_FAILED 135
58964a49
RE		 604#define RSA_R_SSLV3_ROLLBACK_ATTACK 115
605#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
606#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
31904ecd 607#define RSA_R_UNKNOWN_MASK_DIGEST 151
58964a49 608#define RSA_R_UNKNOWN_PADDING_TYPE 118
31904ecd
DSH		 609#define RSA_R_UNKNOWN_PSS_DIGEST 152
610#define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153
611#define RSA_R_UNSUPPORTED_MASK_PARAMETER 154
612#define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155
7f57b076 613#define RSA_R_VALUE_MISSING 147
58964a49 614#define RSA_R_WRONG_SIGNATURE_LENGTH 119
6d311938 615
d02b48c6
RE		 616#ifdef __cplusplus
617}
618#endif
619#endif
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