1/* crypto/rsa/rsa.h */
2/* Copyright (C) 1995-1998 Eric Young ([email protected])
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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
62# include <openssl/asn1.h>
63
64# ifndef OPENSSL_NO_BIO
65# include <openssl/bio.h>
66# endif
67# include <openssl/crypto.h>
68# include <openssl/ossl_typ.h>
69# ifndef OPENSSL_NO_DEPRECATED
70# include <openssl/bn.h>
71# endif
72
73# ifdef OPENSSL_NO_RSA
74# error RSA is disabled.
75# endif
76
77#ifdef __cplusplus
78extern "C" {
79#endif
80
81/* Declared already in ossl_typ.h */
82/* typedef struct rsa_st RSA; */
83/* typedef struct rsa_meth_st RSA_METHOD; */
84
85struct rsa_meth_st {
86 const char *name;
87 int (*rsa_pub_enc) (int flen, const unsigned char *from,
88 unsigned char *to, RSA *rsa, int padding);
89 int (*rsa_pub_dec) (int flen, const unsigned char *from,
90 unsigned char *to, RSA *rsa, int padding);
91 int (*rsa_priv_enc) (int flen, const unsigned char *from,
92 unsigned char *to, RSA *rsa, int padding);
93 int (*rsa_priv_dec) (int flen, const unsigned char *from,
94 unsigned char *to, RSA *rsa, int padding);
95 /* Can be null */
96 int (*rsa_mod_exp) (BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx);
97 /* Can be null */
98 int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
99 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
100 /* called at new */
101 int (*init) (RSA *rsa);
102 /* called at free */
103 int (*finish) (RSA *rsa);
104 /* RSA_METHOD_FLAG_* things */
105 int flags;
106 /* may be needed! */
107 char *app_data;
108 /*
109 * New sign and verify functions: some libraries don't allow arbitrary
110 * data to be signed/verified: this allows them to be used. Note: for
111 * this to work the RSA_public_decrypt() and RSA_private_encrypt() should
112 * *NOT* be used RSA_sign(), RSA_verify() should be used instead. Note:
113 * for backwards compatibility this functionality is only enabled if the
114 * RSA_FLAG_SIGN_VER option is set in 'flags'.
115 */
116 int (*rsa_sign) (int type,
117 const unsigned char *m, unsigned int m_length,
118 unsigned char *sigret, unsigned int *siglen,
119 const RSA *rsa);
120 int (*rsa_verify) (int dtype, const unsigned char *m,
121 unsigned int m_length, const unsigned char *sigbuf,
122 unsigned int siglen, const RSA *rsa);
123 /*
124 * If this callback is NULL, the builtin software RSA key-gen will be
125 * used. This is for behavioural compatibility whilst the code gets
126 * rewired, but one day it would be nice to assume there are no such
127 * things as "builtin software" implementations.
128 */
129 int (*rsa_keygen) (RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
130};
131
132struct rsa_st {
133 /*
134 * The first parameter is used to pickup errors where this is passed
135 * instead of aEVP_PKEY, it is set to 0
136 */
137 int pad;
138 long version;
139 const RSA_METHOD *meth;
140 /* functional reference if 'meth' is ENGINE-provided */
141 ENGINE *engine;
142 BIGNUM *n;
143 BIGNUM *e;
144 BIGNUM *d;
145 BIGNUM *p;
146 BIGNUM *q;
147 BIGNUM *dmp1;
148 BIGNUM *dmq1;
149 BIGNUM *iqmp;
150 /* be careful using this if the RSA structure is shared */
151 CRYPTO_EX_DATA ex_data;
152 int references;
153 int flags;
154 /* Used to cache montgomery values */
155 BN_MONT_CTX *_method_mod_n;
156 BN_MONT_CTX *_method_mod_p;
157 BN_MONT_CTX *_method_mod_q;
158 /*
159 * all BIGNUM values are actually in the following data, if it is not
160 * NULL
161 */
162 char *bignum_data;
163 BN_BLINDING *blinding;
164 BN_BLINDING *mt_blinding;
165};
166
167# ifndef OPENSSL_RSA_MAX_MODULUS_BITS
168# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
169# endif
170
171# ifndef OPENSSL_RSA_SMALL_MODULUS_BITS
172# define OPENSSL_RSA_SMALL_MODULUS_BITS 3072
173# endif
174# ifndef OPENSSL_RSA_MAX_PUBEXP_BITS
175
176/* exponent limit enforced for "large" modulus only */
177# define OPENSSL_RSA_MAX_PUBEXP_BITS 64
178# endif
179
180# define RSA_3 0x3L
181# define RSA_F4 0x10001L
182
183# define RSA_METHOD_FLAG_NO_CHECK 0x0001/* don't check pub/private
184 * match */
185
186# define RSA_FLAG_CACHE_PUBLIC 0x0002
187# define RSA_FLAG_CACHE_PRIVATE 0x0004
188# define RSA_FLAG_BLINDING 0x0008
189# define RSA_FLAG_THREAD_SAFE 0x0010
190/*
191 * This flag means the private key operations will be handled by rsa_mod_exp
192 * and that they do not depend on the private key components being present:
193 * for example a key stored in external hardware. Without this flag
194 * bn_mod_exp gets called when private key components are absent.
195 */
196# define RSA_FLAG_EXT_PKEY 0x0020
197
198/*
199 * This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify
200 * functions.
201 */
202# define RSA_FLAG_SIGN_VER 0x0040
203
204/*
205 * new with 0.9.6j and 0.9.7b; the built-in
206 * RSA implementation now uses blinding by
207 * default (ignoring RSA_FLAG_BLINDING),
208 * but other engines might not need it
209 */
210# define RSA_FLAG_NO_BLINDING 0x0080
211/*
212 * new with 0.9.8f; the built-in RSA
213 * implementation now uses constant time
214 * operations by default in private key operations,
215 * e.g., constant time modular exponentiation,
216 * modular inverse without leaking branches,
217 * division without leaking branches. This
218 * flag disables these constant time
219 * operations and results in faster RSA
220 * private key operations.
221 */
222# define RSA_FLAG_NO_CONSTTIME 0x0100
223# ifdef OPENSSL_USE_DEPRECATED
224/* deprecated name for the flag*/
225/*
226 * new with 0.9.7h; the built-in RSA
227 * implementation now uses constant time
228 * modular exponentiation for secret exponents
229 * by default. This flag causes the
230 * faster variable sliding window method to
231 * be used for all exponents.
232 */
233# define RSA_FLAG_NO_EXP_CONSTTIME RSA_FLAG_NO_CONSTTIME
234# endif
235
236# define EVP_PKEY_CTX_set_rsa_padding(ctx, pad) \
237 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, EVP_PKEY_CTRL_RSA_PADDING, \
238 pad, NULL)
239
240# define EVP_PKEY_CTX_get_rsa_padding(ctx, ppad) \
241 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, -1, \
242 EVP_PKEY_CTRL_GET_RSA_PADDING, 0, ppad)
243
244# define EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, len) \
245 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
246 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
247 EVP_PKEY_CTRL_RSA_PSS_SALTLEN, \
248 len, NULL)
249
250# define EVP_PKEY_CTX_get_rsa_pss_saltlen(ctx, plen) \
251 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
252 (EVP_PKEY_OP_SIGN|EVP_PKEY_OP_VERIFY), \
253 EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN, \
254 0, plen)
255
256# define EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, bits) \
257 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
258 EVP_PKEY_CTRL_RSA_KEYGEN_BITS, bits, NULL)
259
260# define EVP_PKEY_CTX_set_rsa_keygen_pubexp(ctx, pubexp) \
261 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_KEYGEN, \
262 EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP, 0, pubexp)
263
264# define EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md) \
265 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
266 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
267 EVP_PKEY_CTRL_RSA_MGF1_MD, 0, (void *)md)
268
269# define EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md) \
270 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
271 EVP_PKEY_CTRL_RSA_OAEP_MD, 0, (void *)md)
272
273# define EVP_PKEY_CTX_get_rsa_mgf1_md(ctx, pmd) \
274 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, \
275 EVP_PKEY_OP_TYPE_SIG | EVP_PKEY_OP_TYPE_CRYPT, \
276 EVP_PKEY_CTRL_GET_RSA_MGF1_MD, 0, (void *)pmd)
277
278# define EVP_PKEY_CTX_get_rsa_oaep_md(ctx, pmd) \
279 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
280 EVP_PKEY_CTRL_GET_RSA_OAEP_MD, 0, (void *)pmd)
281
282# define EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, l, llen) \
283 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
284 EVP_PKEY_CTRL_RSA_OAEP_LABEL, llen, (void *)l)
285
286# define EVP_PKEY_CTX_get0_rsa_oaep_label(ctx, l) \
287 EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_RSA, EVP_PKEY_OP_TYPE_CRYPT, \
288 EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL, 0, (void *)l)
289
290# define EVP_PKEY_CTRL_RSA_PADDING (EVP_PKEY_ALG_CTRL + 1)
291# define EVP_PKEY_CTRL_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 2)
292
293# define EVP_PKEY_CTRL_RSA_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 3)
294# define EVP_PKEY_CTRL_RSA_KEYGEN_PUBEXP (EVP_PKEY_ALG_CTRL + 4)
295# define EVP_PKEY_CTRL_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 5)
296
297# define EVP_PKEY_CTRL_GET_RSA_PADDING (EVP_PKEY_ALG_CTRL + 6)
298# define EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN (EVP_PKEY_ALG_CTRL + 7)
299# define EVP_PKEY_CTRL_GET_RSA_MGF1_MD (EVP_PKEY_ALG_CTRL + 8)
300
301# define EVP_PKEY_CTRL_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 9)
302# define EVP_PKEY_CTRL_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 10)
303
304# define EVP_PKEY_CTRL_GET_RSA_OAEP_MD (EVP_PKEY_ALG_CTRL + 11)
305# define EVP_PKEY_CTRL_GET_RSA_OAEP_LABEL (EVP_PKEY_ALG_CTRL + 12)
306
307# define RSA_PKCS1_PADDING 1
308# define RSA_SSLV23_PADDING 2
309# define RSA_NO_PADDING 3
310# define RSA_PKCS1_OAEP_PADDING 4
311# define RSA_X931_PADDING 5
312/* EVP_PKEY_ only */
313# define RSA_PKCS1_PSS_PADDING 6
314
315# define RSA_PKCS1_PADDING_SIZE 11
316
317# define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
318# define RSA_get_app_data(s) RSA_get_ex_data(s,0)
319
320RSA *RSA_new(void);
321RSA *RSA_new_method(ENGINE *engine);
322int RSA_size(const RSA *rsa);
323
324/* Deprecated version */
325# ifndef OPENSSL_NO_DEPRECATED
326RSA *RSA_generate_key(int bits, unsigned long e, void
327 (*callback) (int, int, void *), void *cb_arg);
328# endif /* !defined(OPENSSL_NO_DEPRECATED) */
329
330/* New version */
331int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
332
333int RSA_check_key(const RSA *);
334 /* next 4 return -1 on error */
335int RSA_public_encrypt(int flen, const unsigned char *from,
336 unsigned char *to, RSA *rsa, int padding);
337int RSA_private_encrypt(int flen, const unsigned char *from,
338 unsigned char *to, RSA *rsa, int padding);
339int RSA_public_decrypt(int flen, const unsigned char *from,
340 unsigned char *to, RSA *rsa, int padding);
341int RSA_private_decrypt(int flen, const unsigned char *from,
342 unsigned char *to, RSA *rsa, int padding);
343void RSA_free(RSA *r);
344/* "up" the RSA object's reference count */
345int RSA_up_ref(RSA *r);
346
347int RSA_flags(const RSA *r);
348
349void RSA_set_default_method(const RSA_METHOD *meth);
350const RSA_METHOD *RSA_get_default_method(void);
351const RSA_METHOD *RSA_get_method(const RSA *rsa);
352int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
353
354/* This function needs the memory locking malloc callbacks to be installed */
355int RSA_memory_lock(RSA *r);
356
357/* these are the actual SSLeay RSA functions */
358const RSA_METHOD *RSA_PKCS1_SSLeay(void);
359
360const RSA_METHOD *RSA_null_method(void);
361
362DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
363DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
364
365typedef struct rsa_pss_params_st {
366 X509_ALGOR *hashAlgorithm;
367 X509_ALGOR *maskGenAlgorithm;
368 ASN1_INTEGER *saltLength;
369 ASN1_INTEGER *trailerField;
370} RSA_PSS_PARAMS;
371
372DECLARE_ASN1_FUNCTIONS(RSA_PSS_PARAMS)
373
374typedef struct rsa_oaep_params_st {
375 X509_ALGOR *hashFunc;
376 X509_ALGOR *maskGenFunc;
377 X509_ALGOR *pSourceFunc;
378} RSA_OAEP_PARAMS;
379
380DECLARE_ASN1_FUNCTIONS(RSA_OAEP_PARAMS)
381
382# ifndef OPENSSL_NO_FP_API
383int RSA_print_fp(FILE *fp, const RSA *r, int offset);
384# endif
385
386# ifndef OPENSSL_NO_BIO
387int RSA_print(BIO *bp, const RSA *r, int offset);
388# endif
389
390# ifndef OPENSSL_NO_RC4
391int i2d_RSA_NET(const RSA *a, unsigned char **pp,
392 int (*cb) (char *buf, int len, const char *prompt,
393 int verify), int sgckey);
394RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
395 int (*cb) (char *buf, int len, const char *prompt,
396 int verify), int sgckey);
397
398int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
399 int (*cb) (char *buf, int len, const char *prompt,
400 int verify));
401RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
402 int (*cb) (char *buf, int len, const char *prompt,
403 int verify));
404# endif
405
406/*
407 * The following 2 functions sign and verify a X509_SIG ASN1 object inside
408 * PKCS#1 padded RSA encryption
409 */
410int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
411 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
412int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
413 const unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
414
415/*
416 * The following 2 function sign and verify a ASN1_OCTET_STRING object inside
417 * PKCS#1 padded RSA encryption
418 */
419int RSA_sign_ASN1_OCTET_STRING(int type,
420 const unsigned char *m, unsigned int m_length,
421 unsigned char *sigret, unsigned int *siglen,
422 RSA *rsa);
423int RSA_verify_ASN1_OCTET_STRING(int type, const unsigned char *m,
424 unsigned int m_length, unsigned char *sigbuf,
425 unsigned int siglen, RSA *rsa);
426
427int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
428void RSA_blinding_off(RSA *rsa);
429BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
430
431int RSA_padding_add_PKCS1_type_1(unsigned char *to, int tlen,
432 const unsigned char *f, int fl);
433int RSA_padding_check_PKCS1_type_1(unsigned char *to, int tlen,
434 const unsigned char *f, int fl,
435 int rsa_len);
436int RSA_padding_add_PKCS1_type_2(unsigned char *to, int tlen,
437 const unsigned char *f, int fl);
438int RSA_padding_check_PKCS1_type_2(unsigned char *to, int tlen,
439 const unsigned char *f, int fl,
440 int rsa_len);
441int PKCS1_MGF1(unsigned char *mask, long len, const unsigned char *seed,
442 long seedlen, const EVP_MD *dgst);
443int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
444 const unsigned char *f, int fl,
445 const unsigned char *p, int pl);
446int RSA_padding_check_PKCS1_OAEP(unsigned char *to, int tlen,
447 const unsigned char *f, int fl, int rsa_len,
448 const unsigned char *p, int pl);
449int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
450 const unsigned char *from, int flen,
451 const unsigned char *param, int plen,
452 const EVP_MD *md, const EVP_MD *mgf1md);
453int RSA_padding_check_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
454 const unsigned char *from, int flen,
455 int num, const unsigned char *param,
456 int plen, const EVP_MD *md,
457 const EVP_MD *mgf1md);
458int RSA_padding_add_SSLv23(unsigned char *to, int tlen,
459 const unsigned char *f, int fl);
460int RSA_padding_check_SSLv23(unsigned char *to, int tlen,
461 const unsigned char *f, int fl, int rsa_len);
462int RSA_padding_add_none(unsigned char *to, int tlen, const unsigned char *f,
463 int fl);
464int RSA_padding_check_none(unsigned char *to, int tlen,
465 const unsigned char *f, int fl, int rsa_len);
466int RSA_padding_add_X931(unsigned char *to, int tlen, const unsigned char *f,
467 int fl);
468int RSA_padding_check_X931(unsigned char *to, int tlen,
469 const unsigned char *f, int fl, int rsa_len);
470int RSA_X931_hash_id(int nid);
471
472int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
473 const EVP_MD *Hash, const unsigned char *EM,
474 int sLen);
475int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
476 const unsigned char *mHash, const EVP_MD *Hash,
477 int sLen);
478
479int RSA_verify_PKCS1_PSS_mgf1(RSA *rsa, const unsigned char *mHash,
480 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
481 const unsigned char *EM, int sLen);
482
483int RSA_padding_add_PKCS1_PSS_mgf1(RSA *rsa, unsigned char *EM,
484 const unsigned char *mHash,
485 const EVP_MD *Hash, const EVP_MD *mgf1Hash,
486 int sLen);
487
488int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
489 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
490int RSA_set_ex_data(RSA *r, int idx, void *arg);
491void *RSA_get_ex_data(const RSA *r, int idx);
492
493RSA *RSAPublicKey_dup(RSA *rsa);
494RSA *RSAPrivateKey_dup(RSA *rsa);
495
496/*
497 * If this flag is set the RSA method is FIPS compliant and can be used in
498 * FIPS mode. This is set in the validated module method. If an application
499 * sets this flag in its own methods it is its responsibility to ensure the
500 * result is compliant.
501 */
502
503# define RSA_FLAG_FIPS_METHOD 0x0400
504
505/*
506 * If this flag is set the operations normally disabled in FIPS mode are
507 * permitted it is then the applications responsibility to ensure that the
508 * usage is compliant.
509 */
510
511# define RSA_FLAG_NON_FIPS_ALLOW 0x0400
512/*
513 * Application has decided PRNG is good enough to generate a key: don't
514 * check.
515 */
516# define RSA_FLAG_CHECKED 0x0800
517
518/* BEGIN ERROR CODES */
519/*
520 * The following lines are auto generated by the script mkerr.pl. Any changes
521 * made after this point may be overwritten when the script is next run.
522 */
523void ERR_load_RSA_strings(void);
524
525/* Error codes for the RSA functions. */
526
527/* Function codes. */
528# define RSA_F_CHECK_PADDING_MD 140
529# define RSA_F_DO_RSA_PRINT 146
530# define RSA_F_INT_RSA_VERIFY 145
531# define RSA_F_MEMORY_LOCK 100
532# define RSA_F_OLD_RSA_PRIV_DECODE 147
533# define RSA_F_PKEY_RSA_CTRL 143
534# define RSA_F_PKEY_RSA_CTRL_STR 144
535# define RSA_F_PKEY_RSA_SIGN 142
536# define RSA_F_PKEY_RSA_VERIFY 154
537# define RSA_F_PKEY_RSA_VERIFYRECOVER 141
538# define RSA_F_RSA_ALGOR_TO_MD 157
539# define RSA_F_RSA_BUILTIN_KEYGEN 129
540# define RSA_F_RSA_CHECK_KEY 123
541# define RSA_F_RSA_CMS_DECRYPT 158
542# define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
543# define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
544# define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
545# define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
546# define RSA_F_RSA_GENERATE_KEY 105
547# define RSA_F_RSA_GENERATE_KEY_EX 155
548# define RSA_F_RSA_ITEM_VERIFY 156
549# define RSA_F_RSA_MEMORY_LOCK 130
550# define RSA_F_RSA_MGF1_TO_MD 159
551# define RSA_F_RSA_NEW_METHOD 106
552# define RSA_F_RSA_NULL 124
553# define RSA_F_RSA_NULL_MOD_EXP 131
554# define RSA_F_RSA_NULL_PRIVATE_DECRYPT 132
555# define RSA_F_RSA_NULL_PRIVATE_ENCRYPT 133
556# define RSA_F_RSA_NULL_PUBLIC_DECRYPT 134
557# define RSA_F_RSA_NULL_PUBLIC_ENCRYPT 135
558# define RSA_F_RSA_PADDING_ADD_NONE 107
559# define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
560# define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP_MGF1 160
561# define RSA_F_RSA_PADDING_ADD_PKCS1_PSS 125
562# define RSA_F_RSA_PADDING_ADD_PKCS1_PSS_MGF1 148
563# define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
564# define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
565# define RSA_F_RSA_PADDING_ADD_SSLV23 110
566# define RSA_F_RSA_PADDING_ADD_X931 127
567# define RSA_F_RSA_PADDING_CHECK_NONE 111
568# define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
569# define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP_MGF1 161
570# define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
571# define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
572# define RSA_F_RSA_PADDING_CHECK_SSLV23 114
573# define RSA_F_RSA_PADDING_CHECK_X931 128
574# define RSA_F_RSA_PRINT 115
575# define RSA_F_RSA_PRINT_FP 116
576# define RSA_F_RSA_PRIVATE_DECRYPT 150
577# define RSA_F_RSA_PRIVATE_ENCRYPT 151
578# define RSA_F_RSA_PRIV_DECODE 137
579# define RSA_F_RSA_PRIV_ENCODE 138
580# define RSA_F_RSA_PSS_TO_CTX 162
581# define RSA_F_RSA_PUBLIC_DECRYPT 152
582# define RSA_F_RSA_PUBLIC_ENCRYPT 153
583# define RSA_F_RSA_PUB_DECODE 139
584# define RSA_F_RSA_SETUP_BLINDING 136
585# define RSA_F_RSA_SIGN 117
586# define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
587# define RSA_F_RSA_VERIFY 119
588# define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
589# define RSA_F_RSA_VERIFY_PKCS1_PSS 126
590# define RSA_F_RSA_VERIFY_PKCS1_PSS_MGF1 149
591
592/* Reason codes. */
593# define RSA_R_ALGORITHM_MISMATCH 100
594# define RSA_R_BAD_E_VALUE 101
595# define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
596# define RSA_R_BAD_PAD_BYTE_COUNT 103
597# define RSA_R_BAD_SIGNATURE 104
598# define RSA_R_BLOCK_TYPE_IS_NOT_01 106
599# define RSA_R_BLOCK_TYPE_IS_NOT_02 107
600# define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
601# define RSA_R_DATA_TOO_LARGE 109
602# define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
603# define RSA_R_DATA_TOO_LARGE_FOR_MODULUS 132
604# define RSA_R_DATA_TOO_SMALL 111
605# define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
606# define RSA_R_DIGEST_DOES_NOT_MATCH 166
607# define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
608# define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
609# define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
610# define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
611# define RSA_R_FIRST_OCTET_INVALID 133
612# define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144
613# define RSA_R_INVALID_DIGEST 160
614# define RSA_R_INVALID_DIGEST_LENGTH 143
615# define RSA_R_INVALID_HEADER 137
616# define RSA_R_INVALID_KEYBITS 145
617# define RSA_R_INVALID_LABEL 161
618# define RSA_R_INVALID_MESSAGE_LENGTH 131
619# define RSA_R_INVALID_MGF1_MD 156
620# define RSA_R_INVALID_OAEP_PARAMETERS 162
621# define RSA_R_INVALID_PADDING 138
622# define RSA_R_INVALID_PADDING_MODE 141
623# define RSA_R_INVALID_PSS_PARAMETERS 149
624# define RSA_R_INVALID_PSS_SALTLEN 146
625# define RSA_R_INVALID_SALT_LENGTH 150
626# define RSA_R_INVALID_TRAILER 139
627# define RSA_R_INVALID_X931_DIGEST 142
628# define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
629# define RSA_R_KEY_SIZE_TOO_SMALL 120
630# define RSA_R_LAST_OCTET_INVALID 134
631# define RSA_R_MODULUS_TOO_LARGE 105
632# define RSA_R_NON_FIPS_RSA_METHOD 157
633# define RSA_R_NO_PUBLIC_EXPONENT 140
634# define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
635# define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
636# define RSA_R_OAEP_DECODING_ERROR 121
637# define RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 158
638# define RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE 148
639# define RSA_R_PADDING_CHECK_FAILED 114
640# define RSA_R_PKCS_DECODING_ERROR 159
641# define RSA_R_P_NOT_PRIME 128
642# define RSA_R_Q_NOT_PRIME 129
643# define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
644# define RSA_R_SLEN_CHECK_FAILED 136
645# define RSA_R_SLEN_RECOVERY_FAILED 135
646# define RSA_R_SSLV3_ROLLBACK_ATTACK 115
647# define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
648# define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
649# define RSA_R_UNKNOWN_DIGEST 163
650# define RSA_R_UNKNOWN_MASK_DIGEST 151
651# define RSA_R_UNKNOWN_PADDING_TYPE 118
652# define RSA_R_UNKNOWN_PSS_DIGEST 152
653# define RSA_R_UNSUPPORTED_ENCRYPTION_TYPE 164
654# define RSA_R_UNSUPPORTED_LABEL_SOURCE 165
655# define RSA_R_UNSUPPORTED_MASK_ALGORITHM 153
656# define RSA_R_UNSUPPORTED_MASK_PARAMETER 154
657# define RSA_R_UNSUPPORTED_SIGNATURE_TYPE 155
658# define RSA_R_VALUE_MISSING 147
659# define RSA_R_WRONG_SIGNATURE_LENGTH 119
660
661#ifdef __cplusplus
662}
663#endif
664#endif
665