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 cached montgomery values */
110 BN_BLINDING *blinding;
114 #define RSA_F4 0x10001L
116 #define RSA_METHOD_FLAG_NO_CHECK 0x01 /* don't check pub/private match */
117 #define RSA_FLAG_CACHE_PUBLIC 0x02
118 #define RSA_FLAG_CACHE_PRIVATE 0x04
119 #define RSA_FLAG_BLINDING 0x08
120 #define RSA_FLAG_THREAD_SAFE 0x10
122 #define RSA_PKCS1_PADDING 1
123 #define RSA_SSLV23_PADDING 2
124 #define RSA_NO_PADDING 3
126 #define RSA_set_app_data(s,arg) RSA_set_ex_data(s,0,(char *)arg)
127 #define RSA_get_app_data(s) RSA_get_ex_data(s,0)
131 RSA * RSA_new_method(RSA_METHOD *method);
133 RSA * RSA_generate_key(int bits, unsigned long e,void
134 (*callback)(int,int,char *),char *cb_arg);
135 /* next 4 return -1 on error */
136 int RSA_public_encrypt(int flen, unsigned char *from,
137 unsigned char *to, RSA *rsa,int padding);
138 int RSA_private_encrypt(int flen, unsigned char *from,
139 unsigned char *to, RSA *rsa,int padding);
140 int RSA_public_decrypt(int flen, unsigned char *from,
141 unsigned char *to, RSA *rsa,int padding);
142 int RSA_private_decrypt(int flen, unsigned char *from,
143 unsigned char *to, RSA *rsa,int padding);
144 void RSA_free (RSA *r);
146 int RSA_flags(RSA *r);
148 void RSA_set_default_method(RSA_METHOD *meth);
150 /* If you have RSAref compiled in. */
151 RSA_METHOD *RSA_PKCS1_RSAref(void);
153 /* these are the actual SSLeay RSA functions */
154 RSA_METHOD *RSA_PKCS1_SSLeay(void);
156 void ERR_load_RSA_strings(void );
158 RSA * d2i_RSAPublicKey(RSA **a, unsigned char **pp, long length);
159 int i2d_RSAPublicKey(RSA *a, unsigned char **pp);
160 RSA * d2i_RSAPrivateKey(RSA **a, unsigned char **pp, long length);
161 int i2d_RSAPrivateKey(RSA *a, unsigned char **pp);
163 int RSA_print_fp(FILE *fp, RSA *r,int offset);
167 int RSA_print(BIO *bp, RSA *r,int offset);
170 int i2d_Netscape_RSA(RSA *a, unsigned char **pp, int (*cb)());
171 RSA *d2i_Netscape_RSA(RSA **a, unsigned char **pp, long length, int (*cb)());
172 /* Naughty internal function required elsewhere, to handle a MS structure
173 * that is the same as the netscape one :-) */
174 RSA *d2i_Netscape_RSA_2(RSA **a, unsigned char **pp, long length, int (*cb)());
176 /* The following 2 functions sign and verify a X509_SIG ASN1 object
177 * inside PKCS#1 padded RSA encryption */
178 int RSA_sign(int type, unsigned char *m, unsigned int m_len,
179 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
180 int RSA_verify(int type, unsigned char *m, unsigned int m_len,
181 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
183 /* The following 2 function sign and verify a ASN1_OCTET_STRING
184 * object inside PKCS#1 padded RSA encryption */
185 int RSA_sign_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
186 unsigned char *sigret, unsigned int *siglen, RSA *rsa);
187 int RSA_verify_ASN1_OCTET_STRING(int type, unsigned char *m, unsigned int m_len,
188 unsigned char *sigbuf, unsigned int siglen, RSA *rsa);
190 int RSA_blinding_on(RSA *rsa, BN_CTX *ctx);
191 void RSA_blinding_off(RSA *rsa);
193 int RSA_padding_add_PKCS1_type_1(unsigned char *to,int tlen,
194 unsigned char *f,int fl);
195 int RSA_padding_check_PKCS1_type_1(unsigned char *to,int tlen,
196 unsigned char *f,int fl);
197 int RSA_padding_add_PKCS1_type_2(unsigned char *to,int tlen,
198 unsigned char *f,int fl);
199 int RSA_padding_check_PKCS1_type_2(unsigned char *to,int tlen,
200 unsigned char *f,int fl);
201 int RSA_padding_add_SSLv23(unsigned char *to,int tlen,
202 unsigned char *f,int fl);
203 int RSA_padding_check_SSLv23(unsigned char *to,int tlen,
204 unsigned char *f,int fl);
205 int RSA_padding_add_none(unsigned char *to,int tlen,
206 unsigned char *f,int fl);
207 int RSA_padding_check_none(unsigned char *to,int tlen,
208 unsigned char *f,int fl);
210 int RSA_get_ex_new_index(long argl, char *argp, int (*new_func)(),
211 int (*dup_func)(), void (*free_func)());
212 int RSA_set_ex_data(RSA *r,int idx,char *arg);
213 char *RSA_get_ex_data(RSA *r, int idx);
218 RSA * RSA_new_method();
220 RSA * RSA_generate_key();
221 int RSA_public_encrypt();
222 int RSA_private_encrypt();
223 int RSA_public_decrypt();
224 int RSA_private_decrypt();
229 void RSA_set_default_method();
231 /* RSA_METHOD *RSA_PKCS1_RSAref(); */
232 RSA_METHOD *RSA_PKCS1_SSLeay();
234 void ERR_load_RSA_strings();
236 RSA * d2i_RSAPublicKey();
237 int i2d_RSAPublicKey();
238 RSA * d2i_RSAPrivateKey();
239 int i2d_RSAPrivateKey();
246 int i2d_Netscape_RSA();
247 RSA *d2i_Netscape_RSA();
248 RSA *d2i_Netscape_RSA_2();
253 int RSA_sign_ASN1_OCTET_STRING();
254 int RSA_verify_ASN1_OCTET_STRING();
255 int RSA_blinding_on();
256 void RSA_blinding_off();
258 int RSA_padding_add_PKCS1_type_1();
259 int RSA_padding_check_PKCS1_type_1();
260 int RSA_padding_add_PKCS1_type_2();
261 int RSA_padding_check_PKCS1_type_2();
262 int RSA_padding_add_SSLv23();
263 int RSA_padding_check_SSLv23();
264 int RSA_padding_add_none();
265 int RSA_padding_check_none();
267 int RSA_get_ex_new_index();
268 int RSA_set_ex_data();
269 char *RSA_get_ex_data();
273 /* BEGIN ERROR CODES */
274 /* Error codes for the RSA functions. */
276 /* Function codes. */
277 #define RSA_F_RSA_EAY_PRIVATE_DECRYPT 100
278 #define RSA_F_RSA_EAY_PRIVATE_ENCRYPT 101
279 #define RSA_F_RSA_EAY_PUBLIC_DECRYPT 102
280 #define RSA_F_RSA_EAY_PUBLIC_ENCRYPT 103
281 #define RSA_F_RSA_GENERATE_KEY 104
282 #define RSA_F_RSA_NEW_METHOD 105
283 #define RSA_F_RSA_PADDING_ADD_NONE 106
284 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_1 107
285 #define RSA_F_RSA_PADDING_ADD_PKCS1_TYPE_2 108
286 #define RSA_F_RSA_PADDING_ADD_SSLV23 109
287 #define RSA_F_RSA_PADDING_CHECK_NONE 110
288 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_1 111
289 #define RSA_F_RSA_PADDING_CHECK_PKCS1_TYPE_2 112
290 #define RSA_F_RSA_PADDING_CHECK_SSLV23 113
291 #define RSA_F_RSA_PRINT 114
292 #define RSA_F_RSA_PRINT_FP 115
293 #define RSA_F_RSA_SIGN 116
294 #define RSA_F_RSA_SIGN_ASN1_OCTET_STRING 117
295 #define RSA_F_RSA_VERIFY 118
296 #define RSA_F_RSA_VERIFY_ASN1_OCTET_STRING 119
299 #define RSA_R_ALGORITHM_MISMATCH 100
300 #define RSA_R_BAD_E_VALUE 101
301 #define RSA_R_BAD_FIXED_HEADER_DECRYPT 102
302 #define RSA_R_BAD_PAD_BYTE_COUNT 103
303 #define RSA_R_BAD_SIGNATURE 104
304 #define RSA_R_BAD_ZERO_BYTE 105
305 #define RSA_R_BLOCK_TYPE_IS_NOT_01 106
306 #define RSA_R_BLOCK_TYPE_IS_NOT_02 107
307 #define RSA_R_DATA_GREATER_THAN_MOD_LEN 108
308 #define RSA_R_DATA_TOO_LARGE 109
309 #define RSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 110
310 #define RSA_R_DATA_TOO_SMALL 111
311 #define RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY 112
312 #define RSA_R_NULL_BEFORE_BLOCK_MISSING 113
313 #define RSA_R_PADDING_CHECK_FAILED 114
314 #define RSA_R_SSLV3_ROLLBACK_ATTACK 115
315 #define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
316 #define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
317 #define RSA_R_UNKNOWN_PADDING_TYPE 118
318 #define RSA_R_WRONG_SIGNATURE_LENGTH 119