2 * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
4 * The contents of this file constitute Original Code as defined in and are
5 * subject to the Apple Public Source License Version 1.2 (the 'License').
6 * You may not use this file except in compliance with the License. Please obtain
7 * a copy of the License at http://www.apple.com/publicsource and read it before
10 * This Original Code and all software distributed under the License are
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12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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19 /* crypto/rsa/rsa_legacy.h */
20 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
21 * All rights reserved.
23 * This package is an SSL implementation written
24 * by Eric Young (eay@cryptsoft.com).
25 * The implementation was written so as to conform with Netscapes SSL.
27 * This library is free for commercial and non-commercial use as long as
28 * the following conditions are aheared to. The following conditions
29 * apply to all code found in this distribution, be it the RC4, RSA,
30 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
31 * included with this distribution is covered by the same copyright terms
32 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
34 * Copyright remains Eric Young's, and as such any Copyright notices in
35 * the code are not to be removed.
36 * If this package is used in a product, Eric Young should be given attribution
37 * as the author of the parts of the library used.
38 * This can be in the form of a textual message at program startup or
39 * in documentation (online or textual) provided with the package.
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
44 * 1. Redistributions of source code must retain the copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * "This product includes cryptographic software written by
52 * Eric Young (eay@cryptsoft.com)"
53 * The word 'cryptographic' can be left out if the rouines from the library
54 * being used are not cryptographic related :-).
55 * 4. If you include any Windows specific code (or a derivative thereof) from
56 * the apps directory (application code) you must include an acknowledgement:
57 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
59 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
71 * The licence and distribution terms for any publically available version or
72 * derivative of this code cannot be changed. i.e. this code cannot simply be
73 * copied and put under another distribution licence
74 * [including the GNU Public Licence.]
84 #include <openssl/bn_legacy.h>
85 #include <openssl/crypto_legacy.h>
88 #error RSA is disabled.
91 typedef struct rsa_st RSA
;
93 typedef struct rsa_meth_st
96 int (*rsa_pub_enc
)(int flen
,unsigned char *from
,unsigned char *to
,
97 RSA
*rsa
,int padding
);
98 int (*rsa_pub_dec
)(int flen
,unsigned char *from
,unsigned char *to
,
99 RSA
*rsa
,int padding
);
100 int (*rsa_priv_enc
)(int flen
,unsigned char *from
,unsigned char *to
,
101 RSA
*rsa
,int padding
);
102 int (*rsa_priv_dec
)(int flen
,unsigned char *from
,unsigned char *to
,
103 RSA
*rsa
,int padding
);
104 int (*rsa_mod_exp
)(BIGNUM
*r0
,BIGNUM
*I
,RSA
*rsa
); /* Can be null */
105 int (*bn_mod_exp
)(BIGNUM
*r
, BIGNUM
*a
, const BIGNUM
*p
,
106 const BIGNUM
*m
, BN_CTX
*ctx
,
107 BN_MONT_CTX
*m_ctx
); /* Can be null */
108 int (*init
)(RSA
*rsa
); /* called at new */
109 int (*finish
)(RSA
*rsa
); /* called at free */
110 int flags
; /* RSA_METHOD_FLAG_* things */
111 char *app_data
; /* may be needed! */
112 /* New sign and verify functions: some libraries don't allow arbitrary data
113 * to be signed/verified: this allows them to be used. Note: for this to work
114 * the RSA_public_decrypt() and RSA_private_encrypt() should *NOT* be used
115 * RSA_sign(), RSA_verify() should be used instead. Note: for backwards
116 * compatibility this functionality is only enabled if the RSA_FLAG_SIGN_VER
117 * option is set in 'flags'.
119 int (*rsa_sign
)(int type
, unsigned char *m
, unsigned int m_len
,
120 unsigned char *sigret
, unsigned int *siglen
, RSA
*rsa
);
121 int (*rsa_verify
)(int dtype
, unsigned char *m
, unsigned int m_len
,
122 unsigned char *sigbuf
, unsigned int siglen
, RSA
*rsa
);
126 struct BN_BLINDING_STRUCT
;
130 /* The first parameter is used to pickup errors where
131 * this is passed instead of aEVP_PKEY, it is set to 0 */
134 const RSA_METHOD
*meth
;
143 /* be careful using this if the RSA structure is shared */
144 CRYPTO_EX_DATA ex_data
;
148 /* Used to cache montgomery values */
149 BN_MONT_CTX
*_method_mod_n
;
150 BN_MONT_CTX
*_method_mod_p
;
151 BN_MONT_CTX
*_method_mod_q
;
153 /* all BIGNUM values are actually in the following data, if it is not
156 int num_blinding_threads
;
157 pthread_mutex_t blinding_mutex
;
158 struct BN_BLINDING_STRUCT
*blinding_array
;
162 #define RSA_F4 0x10001L
164 #define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */
166 #define RSA_FLAG_CACHE_PUBLIC 0x02
167 #define RSA_FLAG_CACHE_PRIVATE 0x04
168 #define RSA_FLAG_BLINDING 0x08
169 #define RSA_FLAG_THREAD_SAFE 0x10
170 /* This flag means the private key operations will be handled by rsa_mod_exp
171 * and that they do not depend on the private key components being present:
172 * for example a key stored in external hardware. Without this flag bn_mod_exp
173 * gets called when private key components are absent.
175 #define RSA_FLAG_EXT_PKEY 0x20
177 /* This flag in the RSA_METHOD enables the new rsa_sign, rsa_verify functions.
179 #define RSA_FLAG_SIGN_VER 0x40
181 #define RSA_PKCS1_PADDING 1
182 #define RSA_SSLV23_PADDING 2
183 #define RSA_NO_PADDING 3
184 #define RSA_PKCS1_OAEP_PADDING 4
186 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,arg)
187 #define RSA_get_app_data(s) RSA_get_ex_data(s,0)
190 RSA
* RSA_new_method(const RSA_METHOD
*method
);
192 RSA
* RSA_generate_key(int bits
, unsigned long e
,void
193 (*callback
)(int,int,void *),void *cb_arg
);
194 int RSA_check_key(RSA
*);
195 /* next 4 return -1 on error */
196 int RSA_public_encrypt(int flen
, unsigned char *from
,
197 unsigned char *to
, RSA
*rsa
,int padding
);
198 int RSA_private_encrypt(int flen
, unsigned char *from
,
199 unsigned char *to
, RSA
*rsa
,int padding
);
200 int RSA_public_decrypt(int flen
, unsigned char *from
,
201 unsigned char *to
, RSA
*rsa
,int padding
);
202 int RSA_private_decrypt(int flen
, unsigned char *from
,
203 unsigned char *to
, RSA
*rsa
,int padding
);
204 void RSA_free (RSA
*r
);
206 int RSA_flags(RSA
*r
);
208 void RSA_set_default_method(const RSA_METHOD
*meth
);
209 const RSA_METHOD
*RSA_get_default_method(void);
210 const RSA_METHOD
*RSA_get_method(RSA
*rsa
);
211 const RSA_METHOD
*RSA_set_method(RSA
*rsa
, const RSA_METHOD
*meth
);
213 /* This function needs the memory locking malloc callbacks to be installed */
214 int RSA_memory_lock(RSA
*r
);
216 /* If you have RSAref compiled in. */
217 const RSA_METHOD
*RSA_PKCS1_RSAref(void);
219 /* these are the actual SSLeay RSA functions */
220 const RSA_METHOD
*RSA_PKCS1_SSLeay(void);
222 const RSA_METHOD
*RSA_null_method(void);
224 void ERR_load_RSA_strings(void );
226 RSA
* d2i_RSAPublicKey(RSA
**a
, unsigned char **pp
, long length
);
227 int i2d_RSAPublicKey(RSA
*a
, unsigned char **pp
);
228 RSA
* d2i_RSAPrivateKey(RSA
**a
, unsigned char **pp
, long length
);
229 int i2d_RSAPrivateKey(RSA
*a
, unsigned char **pp
);
231 int RSA_print_fp(FILE *fp
, RSA
*r
,int offset
);
235 int RSA_print(BIO
*bp
, RSA
*r
,int offset
);
238 int i2d_Netscape_RSA(RSA
*a
, unsigned char **pp
, int (*cb
)());
239 RSA
*d2i_Netscape_RSA(RSA
**a
, unsigned char **pp
, long length
, int (*cb
)());
240 /* Naughty internal function required elsewhere, to handle a MS structure
241 * that is the same as the netscape one :-) */
242 RSA
*d2i_Netscape_RSA_2(RSA
**a
, unsigned char **pp
, long length
, int (*cb
)());
244 /* The following 2 functions sign and verify a X509_SIG ASN1 object
245 * inside PKCS#1 padded RSA encryption */
246 int RSA_sign(int type
, unsigned char *m
, unsigned int m_len
,
247 unsigned char *sigret
, unsigned int *siglen
, RSA
*rsa
);
248 int RSA_verify(int type
, unsigned char *m
, unsigned int m_len
,
249 unsigned char *sigbuf
, unsigned int siglen
, RSA
*rsa
);
251 /* The following 2 function sign and verify a ASN1_OCTET_STRING
252 * object inside PKCS#1 padded RSA encryption */
253 int RSA_sign_ASN1_OCTET_STRING(int type
, unsigned char *m
, unsigned int m_len
,
254 unsigned char *sigret
, unsigned int *siglen
, RSA
*rsa
);
255 int RSA_verify_ASN1_OCTET_STRING(int type
, unsigned char *m
, unsigned int m_len
,
256 unsigned char *sigbuf
, unsigned int siglen
, RSA
*rsa
);
258 int RSA_blinding_on(RSA
*rsa
, BN_CTX
*ctx
);
259 void RSA_blinding_off(RSA
*rsa
);
261 int RSA_padding_add_PKCS1_type_1(unsigned char *to
,int tlen
,
262 unsigned char *f
,int fl
);
263 int RSA_padding_check_PKCS1_type_1(unsigned char *to
,int tlen
,
264 unsigned char *f
,int fl
,int rsa_len
);
265 int RSA_padding_add_PKCS1_type_2(unsigned char *to
,int tlen
,
266 unsigned char *f
,int fl
);
267 int RSA_padding_check_PKCS1_type_2(unsigned char *to
,int tlen
,
268 unsigned char *f
,int fl
,int rsa_len
);
269 int RSA_padding_add_PKCS1_OAEP(unsigned char *to
,int tlen
,
270 unsigned char *f
,int fl
,unsigned char *p
,
272 int RSA_padding_check_PKCS1_OAEP(unsigned char *to
,int tlen
,
273 unsigned char *f
,int fl
,int rsa_len
,
274 unsigned char *p
,int pl
);
275 int RSA_padding_add_SSLv23(unsigned char *to
,int tlen
,
276 unsigned char *f
,int fl
);
277 int RSA_padding_check_SSLv23(unsigned char *to
,int tlen
,
278 unsigned char *f
,int fl
,int rsa_len
);
279 int RSA_padding_add_none(unsigned char *to
,int tlen
,
280 unsigned char *f
,int fl
);
281 int RSA_padding_check_none(unsigned char *to
,int tlen
,
282 unsigned char *f
,int fl
,int rsa_len
);
284 int RSA_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
285 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
);
286 int RSA_set_ex_data(RSA
*r
,int idx
,void *arg
);
287 void *RSA_get_ex_data(RSA
*r
, int idx
);
289 BN_BLINDING
* RSA_get_thread_blinding_ptr(RSA
*r
);
290 void RSA_set_thread_blinding_ptr(RSA
*r
, BN_BLINDING
* bnb
);
291 void RSA_free_thread_blinding_ptr(RSA
* r
);
293 /* BEGIN ERROR CODES */
294 /* The following lines are auto generated by the script mkerr.pl. Any changes
295 * made after this point may be overwritten when the script is next run.
298 /* Error codes for the RSA functions. */
300 /* Function codes. */
301 #define RSA_F_MEMORY_LOCK 100
302 #define RSA_F_RSA_CHECK_KEY 123
303 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
304 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
305 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
306 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
307 #define RSA_F_RSA_GENERATE_KEY 105
308 #define RSA_F_RSA_NEW_METHOD 106
309 #define RSA_F_RSA_NULL 124
310 #define RSA_F_RSA_PADDING_ADD_NONE 107
311 #define RSA_F_RSA_PADDING_ADD_PKCS1_OAEP 121
312 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
313 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
314 #define RSA_F_RSA_PADDING_ADD_SSLV23 110
315 #define RSA_F_RSA_PADDING_CHECK_NONE 111
316 #define RSA_F_RSA_PADDING_CHECK_PKCS1_OAEP 122
317 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
318 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
319 #define RSA_F_RSA_PADDING_CHECK_SSLV23 114
320 #define RSA_F_RSA_PRINT 115
321 #define RSA_F_RSA_PRINT_FP 116
322 #define RSA_F_RSA_SIGN 117
323 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
324 #define RSA_F_RSA_VERIFY 119
325 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
328 #define RSA_R_ALGORITHM_MISMATCH 100
329 #define RSA_R_BAD_E_VALUE 101
330 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
331 #define RSA_R_BAD_PAD_BYTE_COUNT 103
332 #define RSA_R_BAD_SIGNATURE 104
333 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106
334 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107
335 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
336 #define RSA_R_DATA_TOO_LARGE 109
337 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
338 #define RSA_R_DATA_TOO_SMALL 111
339 #define RSA_R_DATA_TOO_SMALL_FOR_KEY_SIZE 122
340 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
341 #define RSA_R_DMP1_NOT_CONGRUENT_TO_D 124
342 #define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
343 #define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
344 #define RSA_R_INVALID_MESSAGE_LENGTH 131
345 #define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
346 #define RSA_R_KEY_SIZE_TOO_SMALL 120
347 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
348 #define RSA_R_N_DOES_NOT_EQUAL_P_Q 127
349 #define RSA_R_OAEP_DECODING_ERROR 121
350 #define RSA_R_PADDING_CHECK_FAILED 114
351 #define RSA_R_P_NOT_PRIME 128
352 #define RSA_R_Q_NOT_PRIME 129
353 #define RSA_R_RSA_OPERATIONS_NOT_SUPPORTED 130
354 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115
355 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
356 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
357 #define RSA_R_UNKNOWN_PADDING_TYPE 118
358 #define RSA_R_WRONG_SIGNATURE_LENGTH 119