2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
69 typedef struct rsa_meth_st
74 int (*rsa_priv_enc)();
75 int (*rsa_priv_dec)();
76 int (*rsa_mod_exp)(); /* Can be null */
77 int (*bn_mod_exp)(); /* Can be null */
78 int (*init)(/* RSA * */); /* called at new */
79 int (*finish)(/* RSA * */); /* called at free */
81 int flags; /* RSA_METHOD_FLAG_* things */
82 char *app_data; /* may be needed! */
87 /* The first parameter is used to pickup errors where
88 * this is passed instead of aEVP_PKEY, it is set to 0 */
100 /* be carefull using this if the RSA structure is shared */
101 CRYPTO_EX_DATA ex_data;
105 /* Normally used to cache montgomery values */
110 /* all BIGNUM values are actually in the following data, if it is not
113 BN_BLINDING *blinding;
117 #define RSA_F4 0x10001L
119 #define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */
121 #define RSA_FLAG_CACHE_PUBLIC 0x02
122 #define RSA_FLAG_CACHE_PRIVATE 0x04
123 #define RSA_FLAG_BLINDING 0x08
124 #define RSA_FLAG_THREAD_SAFE 0x10
126 #define RSA_PKCS1_PADDING 1
127 #define RSA_SSLV23_PADDING 2
128 #define RSA_NO_PADDING 3
130 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,(char *)arg)
131 #define RSA_get_app_data(s) RSA_get_ex_data(s,0)
135 RSA * RSA_new_method(RSA_METHOD *method);
137 RSA * RSA_generate_key(int bits, unsigned long e,void
138 (*callback)(int,int,char *),char *cb_arg);
139 /* next 4 return -1 on error */
140 int RSA_public_encrypt(int flen, unsigned char *from,
141 unsigned char *to, RSA *rsa,int padding);
142 int RSA_private_encrypt(int flen, unsigned char *from,
143 unsigned char *to, RSA *rsa,int padding);
144 int RSA_public_decrypt(int flen, unsigned char *from,
145 unsigned char *to, RSA *rsa,int padding);
146 int RSA_private_decrypt(int flen, unsigned char *from,
147 unsigned char *to, RSA *rsa,int padding);
148 void RSA_free (RSA *r);
150 int RSA_flags(RSA *r);
152 void RSA_set_default_method(RSA_METHOD *meth);
154 /* This function needs the memory locking malloc callbacks to be installed */
155 int RSA_memory_lock(RSA *r);
157 /* If you have RSAref compiled in. */
158 RSA_METHOD *RSA_PKCS1_RSAref(void);
160 /* these are the actual SSLeay RSA functions */
161 RSA_METHOD *RSA_PKCS1_SSLeay(void);
163 void ERR_load_RSA_strings(void );
165 RSA * d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length);
166 int i2d_RSAPublicKey(RSA *a, unsigned char **pp);
167 RSA * d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length);
168 int i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
170 int RSA_print_fp(FILE *fp, RSA *r,int offset);
174 int RSA_print(BIO *bp, RSA *r,int offset);
177 int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)());
178 RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)());
179 /* Naughty internal function required elsewhere, to handle a MS structure
180 * that is the same as the netscape one :-) */
181 RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length, int (*cb)());
183 /* The following 2 functions sign and verify a X509_SIG ASN1 object
184 * inside PKCS#1 padded RSA encryption */
185 int RSA_sign(int type, unsigned char *m, unsigned int m_len,
186 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
187 int RSA_verify(int type, unsigned char *m, unsigned int m_len,
188 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
190 /* The following 2 function sign and verify a ASN1_OCTET_STRING
191 * object inside PKCS#1 padded RSA encryption */
192 int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
193 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
194 int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
195 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
197 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
198 void RSA_blinding_off(RSA *rsa);
200 int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
201 unsigned char *f,int fl);
202 int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
203 unsigned char *f,int fl,int rsa_len);
204 int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
205 unsigned char *f,int fl);
206 int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
207 unsigned char *f,int fl,int rsa_len);
208 int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
209 unsigned char *f,int fl);
210 int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
211 unsigned char *f,int fl,int rsa_len);
212 int RSA_padding_add_none(unsigned char *to,int tlen,
213 unsigned char *f,int fl);
214 int RSA_padding_check_none(unsigned char *to,int tlen,
215 unsigned char *f,int fl,int rsa_len);
217 int RSA_get_ex_new_index(long argl, char *argp, int (*new_func)(),
218 int (*dup_func)(), void (*free_func)());
219 int RSA_set_ex_data(RSA *r,int idx,char *arg);
220 char *RSA_get_ex_data(RSA *r, int idx);
225 RSA * RSA_new_method();
227 RSA * RSA_generate_key();
228 int RSA_public_encrypt();
229 int RSA_private_encrypt();
230 int RSA_public_decrypt();
231 int RSA_private_decrypt();
236 void RSA_set_default_method();
237 int RSA_memory_lock();
239 /* RSA_METHOD *RSA_PKCS1_RSAref(); */
240 RSA_METHOD *RSA_PKCS1_SSLeay();
242 void ERR_load_RSA_strings();
244 RSA * d2i_RSAPublicKey();
245 int i2d_RSAPublicKey();
246 RSA * d2i_RSAPrivateKey();
247 int i2d_RSAPrivateKey();
254 int i2d_Netscape_RSA();
255 RSA *d2i_Netscape_RSA();
256 RSA *d2i_Netscape_RSA_2();
261 int RSA_sign_ASN1_OCTET_STRING();
262 int RSA_verify_ASN1_OCTET_STRING();
263 int RSA_blinding_on();
264 void RSA_blinding_off();
266 int RSA_padding_add_PKCS1_type_1();
267 int RSA_padding_check_PKCS1_type_1();
268 int RSA_padding_add_PKCS1_type_2();
269 int RSA_padding_check_PKCS1_type_2();
270 int RSA_padding_add_SSLv23();
271 int RSA_padding_check_SSLv23();
272 int RSA_padding_add_none();
273 int RSA_padding_check_none();
275 int RSA_get_ex_new_index();
276 int RSA_set_ex_data();
277 char *RSA_get_ex_data();
281 /* BEGIN ERROR CODES */
282 /* Error codes for the RSA functions. */
284 /* Function codes. */
285 #define RSA_F_MEMORY_LOCK 100
286 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 101
287 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 102
288 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 103
289 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 104
290 #define RSA_F_RSA_GENERATE_KEY 105
291 #define RSA_F_RSA_NEW_METHOD 106
292 #define RSA_F_RSA_PADDING_ADD_NONE 107
293 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 108
294 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 109
295 #define RSA_F_RSA_PADDING_ADD_SSLV23 110
296 #define RSA_F_RSA_PADDING_CHECK_NONE 111
297 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 112
298 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 113
299 #define RSA_F_RSA_PADDING_CHECK_SSLV23 114
300 #define RSA_F_RSA_PRINT 115
301 #define RSA_F_RSA_PRINT_FP 116
302 #define RSA_F_RSA_SIGN 117
303 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 118
304 #define RSA_F_RSA_VERIFY 119
305 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 120
308 #define RSA_R_ALGORITHM_MISMATCH 100
309 #define RSA_R_BAD_E_VALUE 101
310 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
311 #define RSA_R_BAD_PAD_BYTE_COUNT 103
312 #define RSA_R_BAD_SIGNATURE 104
313 #define RSA_R_BAD_ZERO_BYTE 105
314 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106
315 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107
316 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
317 #define RSA_R_DATA_TOO_LARGE 109
318 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
319 #define RSA_R_DATA_TOO_SMALL 111
320 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
321 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
322 #define RSA_R_PADDING_CHECK_FAILED 114
323 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115
324 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
325 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
326 #define RSA_R_UNKNOWN_PADDING_TYPE 118
327 #define RSA_R_WRONG_SIGNATURE_LENGTH 119