source: lab.git/Dev/utvpn/utvpn-unix-v101-7101-public/src/Mayaqua/openssl/rsa.h @ 072e48b

trunk
Last change on this file since 072e48b was a1bae3e, checked in by mitty <mitty@…>, 12 years ago
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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    {
87    const char *name;
88    int (*rsa_pub_enc)(int flen,const unsigned char *from,
89               unsigned char *to,
90               RSA *rsa,int padding);
91    int (*rsa_pub_dec)(int flen,const unsigned char *from,
92               unsigned char *to,
93               RSA *rsa,int padding);
94    int (*rsa_priv_enc)(int flen,const unsigned char *from,
95                unsigned char *to,
96                RSA *rsa,int padding);
97    int (*rsa_priv_dec)(int flen,const unsigned char *from,
98                unsigned char *to,
99                RSA *rsa,int padding);
100    int (*rsa_mod_exp)(BIGNUM *r0,const BIGNUM *I,RSA *rsa,BN_CTX *ctx); /* Can be null */
101    int (*bn_mod_exp)(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
102              const BIGNUM *m, BN_CTX *ctx,
103              BN_MONT_CTX *m_ctx); /* Can be null */
104    int (*init)(RSA *rsa);      /* called at new */
105    int (*finish)(RSA *rsa);    /* called at free */
106    int flags;          /* RSA_METHOD_FLAG_* things */
107    char *app_data;         /* may be needed! */
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
112 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
113 * option is set in 'flags'.
114 */
115    int (*rsa_sign)(int type,
116        const unsigned char *m, unsigned int m_length,
117        unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
118    int (*rsa_verify)(int dtype,
119        const unsigned char *m, unsigned int m_length,
120        unsigned char *sigbuf, unsigned int siglen, const RSA *rsa);
121/* If this callback is NULL, the builtin software RSA key-gen will be used. This
122 * is for behavioural compatibility whilst the code gets rewired, but one day
123 * it would be nice to assume there are no such things as "builtin software"
124 * implementations. */
125    int (*rsa_keygen)(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
126    };
127
128struct rsa_st
129    {
130    /* The first parameter is used to pickup errors where
131     * this is passed instead of aEVP_PKEY, it is set to 0 */
132    int pad;
133    long version;
134    const RSA_METHOD *meth;
135    /* functional reference if 'meth' is ENGINE-provided */
136    ENGINE *engine;
137    BIGNUM *n;
138    BIGNUM *e;
139    BIGNUM *d;
140    BIGNUM *p;
141    BIGNUM *q;
142    BIGNUM *dmp1;
143    BIGNUM *dmq1;
144    BIGNUM *iqmp;
145    /* be careful using this if the RSA structure is shared */
146    CRYPTO_EX_DATA ex_data;
147    int references;
148    int flags;
149
150    /* Used to cache montgomery values */
151    BN_MONT_CTX *_method_mod_n;
152    BN_MONT_CTX *_method_mod_p;
153    BN_MONT_CTX *_method_mod_q;
154
155    /* all BIGNUM values are actually in the following data, if it is not
156     * NULL */
157    char *bignum_data;
158    BN_BLINDING *blinding;
159    BN_BLINDING *mt_blinding;
160    };
161
162#define RSA_3   0x3L
163#define RSA_F4  0x10001L
164
165#define RSA_METHOD_FLAG_NO_CHECK    0x0001 /* don't check pub/private match */
166
167#define RSA_FLAG_CACHE_PUBLIC       0x0002
168#define RSA_FLAG_CACHE_PRIVATE      0x0004
169#define RSA_FLAG_BLINDING       0x0008
170#define RSA_FLAG_THREAD_SAFE        0x0010
171/* This flag means the private key operations will be handled by rsa_mod_exp
172 * and that they do not depend on the private key components being present:
173 * for example a key stored in external hardware. Without this flag bn_mod_exp
174 * gets called when private key components are absent.
175 */
176#define RSA_FLAG_EXT_PKEY       0x0020
177
178/* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
179 */
180#define RSA_FLAG_SIGN_VER       0x0040
181
182#define RSA_FLAG_NO_BLINDING        0x0080 /* new with 0.9.6j and 0.9.7b; the built-in
183                                                * RSA implementation now uses blinding by
184                                                * default (ignoring RSA_FLAG_BLINDING),
185                                                * but other engines might not need it
186                                                */
187#define RSA_FLAG_NO_EXP_CONSTTIME   0x0100 /* new with 0.9.7h; the built-in RSA
188                                                * implementation now uses constant time
189                                                * modular exponentiation for secret exponents
190                                                * by default. This flag causes the
191                                                * faster variable sliding window method to
192                                                * be used for all exponents.
193                                                */
194
195#define RSA_PKCS1_PADDING   1
196#define RSA_SSLV23_PADDING  2
197#define RSA_NO_PADDING      3
198#define RSA_PKCS1_OAEP_PADDING  4
199#define RSA_X931_PADDING    5
200
201#define RSA_PKCS1_PADDING_SIZE  11
202
203#define RSA_set_app_data(s,arg)         RSA_set_ex_data(s,0,arg)
204#define RSA_get_app_data(s)             RSA_get_ex_data(s,0)
205
206RSA *   RSA_new(void);
207RSA *   RSA_new_method(ENGINE *engine);
208int RSA_size(const RSA *);
209
210/* Deprecated version */
211#ifndef OPENSSL_NO_DEPRECATED
212RSA *   RSA_generate_key(int bits, unsigned long e,void
213        (*callback)(int,int,void *),void *cb_arg);
214#endif /* !defined(OPENSSL_NO_DEPRECATED) */
215
216/* New version */
217int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb);
218
219int RSA_check_key(const RSA *);
220    /* next 4 return -1 on error */
221int RSA_public_encrypt(int flen, const unsigned char *from,
222        unsigned char *to, RSA *rsa,int padding);
223int RSA_private_encrypt(int flen, const unsigned char *from,
224        unsigned char *to, RSA *rsa,int padding);
225int RSA_public_decrypt(int flen, const unsigned char *from, 
226        unsigned char *to, RSA *rsa,int padding);
227int RSA_private_decrypt(int flen, const unsigned char *from, 
228        unsigned char *to, RSA *rsa,int padding);
229void    RSA_free (RSA *r);
230/* "up" the RSA object's reference count */
231int RSA_up_ref(RSA *r);
232
233int RSA_flags(const RSA *r);
234
235void RSA_set_default_method(const RSA_METHOD *meth);
236const RSA_METHOD *RSA_get_default_method(void);
237const RSA_METHOD *RSA_get_method(const RSA *rsa);
238int RSA_set_method(RSA *rsa, const RSA_METHOD *meth);
239
240/* This function needs the memory locking malloc callbacks to be installed */
241int RSA_memory_lock(RSA *r);
242
243/* these are the actual SSLeay RSA functions */
244const RSA_METHOD *RSA_PKCS1_SSLeay(void);
245
246const RSA_METHOD *RSA_null_method(void);
247
248DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPublicKey)
249DECLARE_ASN1_ENCODE_FUNCTIONS_const(RSA, RSAPrivateKey)
250
251#ifndef OPENSSL_NO_FP_API
252int RSA_print_fp(FILE *fp, const RSA *r,int offset);
253#endif
254
255#ifndef OPENSSL_NO_BIO
256int RSA_print(BIO *bp, const RSA *r,int offset);
257#endif
258
259int i2d_RSA_NET(const RSA *a, unsigned char **pp,
260        int (*cb)(char *buf, int len, const char *prompt, int verify),
261        int sgckey);
262RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
263         int (*cb)(char *buf, int len, const char *prompt, int verify),
264         int sgckey);
265
266int i2d_Netscape_RSA(const RSA *a, unsigned char **pp,
267             int (*cb)(char *buf, int len, const char *prompt,
268                   int verify));
269RSA *d2i_Netscape_RSA(RSA **a, const unsigned char **pp, long length,
270              int (*cb)(char *buf, int len, const char *prompt,
271                int verify));
272
273/* The following 2 functions sign and verify a X509_SIG ASN1 object
274 * inside PKCS#1 padded RSA encryption */
275int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
276    unsigned char *sigret, unsigned int *siglen, RSA *rsa);
277int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
278    unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
279
280/* The following 2 function sign and verify a ASN1_OCTET_STRING
281 * object inside PKCS#1 padded RSA encryption */
282int RSA_sign_ASN1_OCTET_STRING(int type,
283    const unsigned char *m, unsigned int m_length,
284    unsigned char *sigret, unsigned int *siglen, RSA *rsa);
285int RSA_verify_ASN1_OCTET_STRING(int type,
286    const unsigned char *m, unsigned int m_length,
287    unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
288
289int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
290void RSA_blinding_off(RSA *rsa);
291BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *ctx);
292
293int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
294    const unsigned char *f,int fl);
295int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
296    const unsigned char *f,int fl,int rsa_len);
297int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
298    const unsigned char *f,int fl);
299int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
300    const unsigned char *f,int fl,int rsa_len);
301int PKCS1_MGF1(unsigned char *mask, long len,
302    const unsigned char *seed, long seedlen, const EVP_MD *dgst);
303int RSA_padding_add_PKCS1_OAEP(unsigned char *to,int tlen,
304    const unsigned char *f,int fl,
305    const unsigned char *p,int pl);
306int RSA_padding_check_PKCS1_OAEP(unsigned char *to,int tlen,
307    const unsigned char *f,int fl,int rsa_len,
308    const unsigned char *p,int pl);
309int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
310    const unsigned char *f,int fl);
311int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
312    const unsigned char *f,int fl,int rsa_len);
313int RSA_padding_add_none(unsigned char *to,int tlen,
314    const unsigned char *f,int fl);
315int RSA_padding_check_none(unsigned char *to,int tlen,
316    const unsigned char *f,int fl,int rsa_len);
317int RSA_padding_add_X931(unsigned char *to,int tlen,
318    const unsigned char *f,int fl);
319int RSA_padding_check_X931(unsigned char *to,int tlen,
320    const unsigned char *f,int fl,int rsa_len);
321int RSA_X931_hash_id(int nid);
322
323int RSA_verify_PKCS1_PSS(RSA *rsa, const unsigned char *mHash,
324            const EVP_MD *Hash, const unsigned char *EM, int sLen);
325int RSA_padding_add_PKCS1_PSS(RSA *rsa, unsigned char *EM,
326            const unsigned char *mHash,
327            const EVP_MD *Hash, int sLen);
328
329int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
330    CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
331int RSA_set_ex_data(RSA *r,int idx,void *arg);
332void *RSA_get_ex_data(const RSA *r, int idx);
333
334RSA *RSAPublicKey_dup(RSA *rsa);
335RSA *RSAPrivateKey_dup(RSA *rsa);
336
337/* BEGIN ERROR CODES */
338/* The following lines are auto generated by the script mkerr.pl. Any changes
339 * made after this point may be overwritten when the script is next run.
340 */
341void ERR_load_RSA_strings(void);
342
343/* Error codes for the RSA functions. */
344
345/* Function codes. */
346#define RSA_F_MEMORY_LOCK                100
347#define RSA_F_RSA_BUILTIN_KEYGEN             129
348#define RSA_F_RSA_CHECK_KEY              123
349#define RSA_F_RSA_EAY_PRIVATE_DECRYPT            101
350#define RSA_F_RSA_EAY_PRIVATE_ENCRYPT            102
351#define RSA_F_RSA_EAY_PUBLIC_DECRYPT             103
352#define RSA_F_RSA_EAY_PUBLIC_ENCRYPT             104
353#define RSA_F_RSA_GENERATE_KEY               105
354#define RSA_F_RSA_MEMORY_LOCK                130
355#define RSA_F_RSA_NEW_METHOD                 106
356#define RSA_F_RSA_NULL                   124
357#define RSA_F_RSA_NULL_MOD_EXP               131
358#define RSA_F_RSA_NULL_PRIVATE_DECRYPT           132
359#define RSA_F_RSA_NULL_PRIVATE_ENCRYPT           133
360#define RSA_F_RSA_NULL_PUBLIC_DECRYPT            134
361#define RSA_F_RSA_NULL_PUBLIC_ENCRYPT            135
362#define RSA_F_RSA_PADDING_ADD_NONE           107
363#define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP         121
364#define RSA_F_RSA_PADDING_ADD_PKCS1_PSS          125
365#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1       108
366#define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2       109
367#define RSA_F_RSA_PADDING_ADD_SSLV23             110
368#define RSA_F_RSA_PADDING_ADD_X931           127
369#define RSA_F_RSA_PADDING_CHECK_NONE             111
370#define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP       122
371#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1         112
372#define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2         113
373#define RSA_F_RSA_PADDING_CHECK_SSLV23           114
374#define RSA_F_RSA_PADDING_CHECK_X931             128
375#define RSA_F_RSA_PRINT                  115
376#define RSA_F_RSA_PRINT_FP               116
377#define RSA_F_RSA_SETUP_BLINDING             136
378#define RSA_F_RSA_SIGN                   117
379#define RSA_F_RSA_SIGN_ASN1_OCTET_STRING         118
380#define RSA_F_RSA_VERIFY                 119
381#define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING       120
382#define RSA_F_RSA_VERIFY_PKCS1_PSS           126
383
384/* Reason codes. */
385#define RSA_R_ALGORITHM_MISMATCH             100
386#define RSA_R_BAD_E_VALUE                101
387#define RSA_R_BAD_FIXED_HEADER_DECRYPT           102
388#define RSA_R_BAD_PAD_BYTE_COUNT             103
389#define RSA_R_BAD_SIGNATURE              104
390#define RSA_R_BLOCK_TYPE_IS_NOT_01           106
391#define RSA_R_BLOCK_TYPE_IS_NOT_02           107
392#define RSA_R_DATA_GREATER_THAN_MOD_LEN          108
393#define RSA_R_DATA_TOO_LARGE                 109
394#define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE        110
395#define RSA_R_DATA_TOO_LARGE_FOR_MODULUS         132
396#define RSA_R_DATA_TOO_SMALL                 111
397#define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE        122
398#define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY         112
399#define RSA_R_DMP1_NOT_CONGRUENT_TO_D            124
400#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D            125
401#define RSA_R_D_E_NOT_CONGRUENT_TO_1             123
402#define RSA_R_FIRST_OCTET_INVALID            133
403#define RSA_R_INVALID_HEADER                 137
404#define RSA_R_INVALID_MESSAGE_LENGTH             131
405#define RSA_R_INVALID_PADDING                138
406#define RSA_R_INVALID_TRAILER                139
407#define RSA_R_IQMP_NOT_INVERSE_OF_Q          126
408#define RSA_R_KEY_SIZE_TOO_SMALL             120
409#define RSA_R_LAST_OCTET_INVALID             134
410#define RSA_R_NO_PUBLIC_EXPONENT             140
411#define RSA_R_NULL_BEFORE_BLOCK_MISSING          113
412#define RSA_R_N_DOES_NOT_EQUAL_P_Q           127
413#define RSA_R_OAEP_DECODING_ERROR            121
414#define RSA_R_SLEN_RECOVERY_FAILED           135
415#define RSA_R_PADDING_CHECK_FAILED           114
416#define RSA_R_P_NOT_PRIME                128
417#define RSA_R_Q_NOT_PRIME                129
418#define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED       130
419#define RSA_R_SSLV3_ROLLBACK_ATTACK          115
420#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
421#define RSA_R_UNKNOWN_ALGORITHM_TYPE             117
422#define RSA_R_UNKNOWN_PADDING_TYPE           118
423#define RSA_R_WRONG_SIGNATURE_LENGTH             119
424#define RSA_R_SLEN_CHECK_FAILED              136
425
426#ifdef  __cplusplus
427}
428#endif
429#endif
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