1/* crypto/rsa/rsa.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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
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