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Diffstat (limited to 'src/lib/libcrypto/evp/p_lib.c')
-rw-r--r-- | src/lib/libcrypto/evp/p_lib.c | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/src/lib/libcrypto/evp/p_lib.c b/src/lib/libcrypto/evp/p_lib.c new file mode 100644 index 0000000000..395351b373 --- /dev/null +++ b/src/lib/libcrypto/evp/p_lib.c | |||
@@ -0,0 +1,294 @@ | |||
1 | /* crypto/evp/p_lib.c */ | ||
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 | #include <stdio.h> | ||
60 | #include "cryptlib.h" | ||
61 | #include "objects.h" | ||
62 | #include "evp.h" | ||
63 | #include "asn1_mac.h" | ||
64 | #include "x509.h" | ||
65 | |||
66 | /* EVPerr(EVP_F_D2I_PKEY,EVP_R_UNSUPPORTED_CIPHER); */ | ||
67 | /* EVPerr(EVP_F_D2I_PKEY,EVP_R_IV_TOO_LARGE); */ | ||
68 | |||
69 | #ifndef NOPROTO | ||
70 | static void EVP_PKEY_free_it(EVP_PKEY *x); | ||
71 | #else | ||
72 | static void EVP_PKEY_free_it(); | ||
73 | #endif | ||
74 | |||
75 | int EVP_PKEY_bits(pkey) | ||
76 | EVP_PKEY *pkey; | ||
77 | { | ||
78 | #ifndef NO_RSA | ||
79 | if (pkey->type == EVP_PKEY_RSA) | ||
80 | return(BN_num_bits(pkey->pkey.rsa->n)); | ||
81 | else | ||
82 | #endif | ||
83 | #ifndef NO_DSA | ||
84 | if (pkey->type == EVP_PKEY_DSA) | ||
85 | return(BN_num_bits(pkey->pkey.dsa->p)); | ||
86 | #endif | ||
87 | return(0); | ||
88 | } | ||
89 | |||
90 | int EVP_PKEY_size(pkey) | ||
91 | EVP_PKEY *pkey; | ||
92 | { | ||
93 | #ifndef NO_RSA | ||
94 | if (pkey->type == EVP_PKEY_RSA) | ||
95 | return(RSA_size(pkey->pkey.rsa)); | ||
96 | else | ||
97 | #endif | ||
98 | #ifndef NO_DSA | ||
99 | if (pkey->type == EVP_PKEY_DSA) | ||
100 | return(DSA_size(pkey->pkey.dsa)); | ||
101 | #endif | ||
102 | return(0); | ||
103 | } | ||
104 | |||
105 | int EVP_PKEY_save_parameters(pkey,mode) | ||
106 | EVP_PKEY *pkey; | ||
107 | int mode; | ||
108 | { | ||
109 | #ifndef NO_DSA | ||
110 | if (pkey->type == EVP_PKEY_DSA) | ||
111 | { | ||
112 | int ret=pkey->save_parameters=mode; | ||
113 | |||
114 | if (mode >= 0) | ||
115 | pkey->save_parameters=mode; | ||
116 | return(ret); | ||
117 | } | ||
118 | #endif | ||
119 | return(0); | ||
120 | } | ||
121 | |||
122 | int EVP_PKEY_copy_parameters(to,from) | ||
123 | EVP_PKEY *to,*from; | ||
124 | { | ||
125 | if (to->type != from->type) | ||
126 | { | ||
127 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_DIFFERENT_KEY_TYPES); | ||
128 | goto err; | ||
129 | } | ||
130 | |||
131 | if (EVP_PKEY_missing_parameters(from)) | ||
132 | { | ||
133 | EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_MISSING_PARMATERS); | ||
134 | goto err; | ||
135 | } | ||
136 | #ifndef NO_DSA | ||
137 | if (to->type == EVP_PKEY_DSA) | ||
138 | { | ||
139 | BIGNUM *a; | ||
140 | |||
141 | if ((a=BN_dup(from->pkey.dsa->p)) == NULL) goto err; | ||
142 | if (to->pkey.dsa->p != NULL) BN_free(to->pkey.dsa->p); | ||
143 | to->pkey.dsa->p=a; | ||
144 | |||
145 | if ((a=BN_dup(from->pkey.dsa->q)) == NULL) goto err; | ||
146 | if (to->pkey.dsa->q != NULL) BN_free(to->pkey.dsa->q); | ||
147 | to->pkey.dsa->q=a; | ||
148 | |||
149 | if ((a=BN_dup(from->pkey.dsa->g)) == NULL) goto err; | ||
150 | if (to->pkey.dsa->g != NULL) BN_free(to->pkey.dsa->g); | ||
151 | to->pkey.dsa->g=a; | ||
152 | } | ||
153 | #endif | ||
154 | return(1); | ||
155 | err: | ||
156 | return(0); | ||
157 | } | ||
158 | |||
159 | int EVP_PKEY_missing_parameters(pkey) | ||
160 | EVP_PKEY *pkey; | ||
161 | { | ||
162 | #ifndef NO_DSA | ||
163 | if (pkey->type == EVP_PKEY_DSA) | ||
164 | { | ||
165 | DSA *dsa; | ||
166 | |||
167 | dsa=pkey->pkey.dsa; | ||
168 | if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL)) | ||
169 | return(1); | ||
170 | } | ||
171 | #endif | ||
172 | return(0); | ||
173 | } | ||
174 | |||
175 | int EVP_PKEY_cmp_parameters(a,b) | ||
176 | EVP_PKEY *a,*b; | ||
177 | { | ||
178 | #ifndef NO_DSA | ||
179 | if ((a->type == EVP_PKEY_DSA) && (b->type == EVP_PKEY_DSA)) | ||
180 | { | ||
181 | if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) || | ||
182 | BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) || | ||
183 | BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g)) | ||
184 | return(0); | ||
185 | else | ||
186 | return(1); | ||
187 | } | ||
188 | #endif | ||
189 | return(-1); | ||
190 | } | ||
191 | |||
192 | EVP_PKEY *EVP_PKEY_new() | ||
193 | { | ||
194 | EVP_PKEY *ret; | ||
195 | |||
196 | ret=(EVP_PKEY *)Malloc(sizeof(EVP_PKEY)); | ||
197 | if (ret == NULL) | ||
198 | { | ||
199 | EVPerr(EVP_F_EVP_PKEY_NEW,ERR_R_MALLOC_FAILURE); | ||
200 | return(NULL); | ||
201 | } | ||
202 | ret->type=EVP_PKEY_NONE; | ||
203 | ret->references=1; | ||
204 | ret->pkey.ptr=NULL; | ||
205 | ret->attributes=NULL; | ||
206 | ret->save_parameters=1; | ||
207 | return(ret); | ||
208 | } | ||
209 | |||
210 | int EVP_PKEY_assign(pkey,type,key) | ||
211 | EVP_PKEY *pkey; | ||
212 | int type; | ||
213 | char *key; | ||
214 | { | ||
215 | if (pkey == NULL) return(0); | ||
216 | if (pkey->pkey.ptr != NULL) | ||
217 | EVP_PKEY_free_it(pkey); | ||
218 | pkey->type=EVP_PKEY_type(type); | ||
219 | pkey->save_type=type; | ||
220 | pkey->pkey.ptr=key; | ||
221 | return(1); | ||
222 | } | ||
223 | |||
224 | int EVP_PKEY_type(type) | ||
225 | int type; | ||
226 | { | ||
227 | switch (type) | ||
228 | { | ||
229 | case EVP_PKEY_RSA: | ||
230 | case EVP_PKEY_RSA2: | ||
231 | return(EVP_PKEY_RSA); | ||
232 | case EVP_PKEY_DSA: | ||
233 | case EVP_PKEY_DSA1: | ||
234 | case EVP_PKEY_DSA2: | ||
235 | case EVP_PKEY_DSA3: | ||
236 | case EVP_PKEY_DSA4: | ||
237 | return(EVP_PKEY_DSA); | ||
238 | case EVP_PKEY_DH: | ||
239 | return(EVP_PKEY_DH); | ||
240 | default: | ||
241 | return(NID_undef); | ||
242 | } | ||
243 | } | ||
244 | |||
245 | void EVP_PKEY_free(x) | ||
246 | EVP_PKEY *x; | ||
247 | { | ||
248 | int i; | ||
249 | |||
250 | if (x == NULL) return; | ||
251 | |||
252 | i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_EVP_PKEY); | ||
253 | #ifdef REF_PRINT | ||
254 | REF_PRINT("EVP_PKEY",x); | ||
255 | #endif | ||
256 | if (i > 0) return; | ||
257 | #ifdef REF_CHECK | ||
258 | if (i < 0) | ||
259 | { | ||
260 | fprintf(stderr,"EVP_PKEY_free, bad reference count\n"); | ||
261 | abort(); | ||
262 | } | ||
263 | #endif | ||
264 | EVP_PKEY_free_it(x); | ||
265 | Free((char *)x); | ||
266 | } | ||
267 | |||
268 | static void EVP_PKEY_free_it(x) | ||
269 | EVP_PKEY *x; | ||
270 | { | ||
271 | switch (x->type) | ||
272 | { | ||
273 | #ifndef NO_RSA | ||
274 | case EVP_PKEY_RSA: | ||
275 | case EVP_PKEY_RSA2: | ||
276 | RSA_free(x->pkey.rsa); | ||
277 | break; | ||
278 | #endif | ||
279 | #ifndef NO_DSA | ||
280 | case EVP_PKEY_DSA: | ||
281 | case EVP_PKEY_DSA2: | ||
282 | case EVP_PKEY_DSA3: | ||
283 | case EVP_PKEY_DSA4: | ||
284 | DSA_free(x->pkey.dsa); | ||
285 | break; | ||
286 | #endif | ||
287 | #ifndef NO_DH | ||
288 | case EVP_PKEY_DH: | ||
289 | DH_free(x->pkey.dh); | ||
290 | break; | ||
291 | #endif | ||
292 | } | ||
293 | } | ||
294 | |||