diff options
Diffstat (limited to 'src/lib/libcrypto/evp/evp_lib.c')
-rw-r--r-- | src/lib/libcrypto/evp/evp_lib.c | 330 |
1 files changed, 176 insertions, 154 deletions
diff --git a/src/lib/libcrypto/evp/evp_lib.c b/src/lib/libcrypto/evp/evp_lib.c index b180e4828a..791f6b8fb1 100644 --- a/src/lib/libcrypto/evp/evp_lib.c +++ b/src/lib/libcrypto/evp/evp_lib.c | |||
@@ -5,21 +5,21 @@ | |||
5 | * This package is an SSL implementation written | 5 | * This package is an SSL implementation written |
6 | * by Eric Young (eay@cryptsoft.com). | 6 | * by Eric Young (eay@cryptsoft.com). |
7 | * The implementation was written so as to conform with Netscapes SSL. | 7 | * The implementation was written so as to conform with Netscapes SSL. |
8 | * | 8 | * |
9 | * This library is free for commercial and non-commercial use as long as | 9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | 10 | * the following conditions are aheared to. The following conditions |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | 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 | 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 | 13 | * included with this distribution is covered by the same copyright terms |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
15 | * | 15 | * |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | 17 | * the code are not to be removed. |
18 | * If this package is used in a product, Eric Young should be given attribution | 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. | 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 | 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. | 21 | * in documentation (online or textual) provided with the package. |
22 | * | 22 | * |
23 | * Redistribution and use in source and binary forms, with or without | 23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | 24 | * modification, are permitted provided that the following conditions |
25 | * are met: | 25 | * are met: |
@@ -34,10 +34,10 @@ | |||
34 | * Eric Young (eay@cryptsoft.com)" | 34 | * Eric Young (eay@cryptsoft.com)" |
35 | * The word 'cryptographic' can be left out if the rouines from the library | 35 | * The word 'cryptographic' can be left out if the rouines from the library |
36 | * being used are not cryptographic related :-). | 36 | * being used are not cryptographic related :-). |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | 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: | 38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
40 | * | 40 | * |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
@@ -49,7 +49,7 @@ | |||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 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 | 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 | * SUCH DAMAGE. | 51 | * SUCH DAMAGE. |
52 | * | 52 | * |
53 | * The licence and distribution terms for any publically available version or | 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 | 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
55 | * copied and put under another distribution licence | 55 | * copied and put under another distribution licence |
@@ -61,256 +61,278 @@ | |||
61 | #include <openssl/evp.h> | 61 | #include <openssl/evp.h> |
62 | #include <openssl/objects.h> | 62 | #include <openssl/objects.h> |
63 | 63 | ||
64 | int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type) | 64 | int |
65 | { | 65 | EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type) |
66 | { | ||
66 | int ret; | 67 | int ret; |
67 | 68 | ||
68 | if (c->cipher->set_asn1_parameters != NULL) | 69 | if (c->cipher->set_asn1_parameters != NULL) |
69 | ret=c->cipher->set_asn1_parameters(c,type); | 70 | ret = c->cipher->set_asn1_parameters(c, type); |
70 | else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) | 71 | else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) |
71 | ret=EVP_CIPHER_set_asn1_iv(c, type); | 72 | ret = EVP_CIPHER_set_asn1_iv(c, type); |
72 | else | 73 | else |
73 | ret=-1; | 74 | ret = -1; |
74 | return(ret); | 75 | return (ret); |
75 | } | 76 | } |
76 | 77 | ||
77 | int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type) | 78 | int |
78 | { | 79 | EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type) |
80 | { | ||
79 | int ret; | 81 | int ret; |
80 | 82 | ||
81 | if (c->cipher->get_asn1_parameters != NULL) | 83 | if (c->cipher->get_asn1_parameters != NULL) |
82 | ret=c->cipher->get_asn1_parameters(c,type); | 84 | ret = c->cipher->get_asn1_parameters(c, type); |
83 | else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) | 85 | else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) |
84 | ret=EVP_CIPHER_get_asn1_iv(c, type); | 86 | ret = EVP_CIPHER_get_asn1_iv(c, type); |
85 | else | 87 | else |
86 | ret=-1; | 88 | ret = -1; |
87 | return(ret); | 89 | return (ret); |
88 | } | 90 | } |
89 | 91 | ||
90 | int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) | 92 | int |
91 | { | 93 | EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) |
92 | int i=0; | 94 | { |
95 | int i = 0; | ||
93 | unsigned int l; | 96 | unsigned int l; |
94 | 97 | ||
95 | if (type != NULL) | 98 | if (type != NULL) { |
96 | { | 99 | l = EVP_CIPHER_CTX_iv_length(c); |
97 | l=EVP_CIPHER_CTX_iv_length(c); | ||
98 | OPENSSL_assert(l <= sizeof(c->iv)); | 100 | OPENSSL_assert(l <= sizeof(c->iv)); |
99 | i=ASN1_TYPE_get_octetstring(type,c->oiv,l); | 101 | i = ASN1_TYPE_get_octetstring(type, c->oiv, l); |
100 | if (i != (int)l) | 102 | if (i != (int)l) |
101 | return(-1); | 103 | return (-1); |
102 | else if (i > 0) | 104 | else if (i > 0) |
103 | memcpy(c->iv,c->oiv,l); | 105 | memcpy(c->iv, c->oiv, l); |
104 | } | ||
105 | return(i); | ||
106 | } | 106 | } |
107 | return (i); | ||
108 | } | ||
107 | 109 | ||
108 | int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) | 110 | int |
109 | { | 111 | EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) |
110 | int i=0; | 112 | { |
113 | int i = 0; | ||
111 | unsigned int j; | 114 | unsigned int j; |
112 | 115 | ||
113 | if (type != NULL) | 116 | if (type != NULL) { |
114 | { | 117 | j = EVP_CIPHER_CTX_iv_length(c); |
115 | j=EVP_CIPHER_CTX_iv_length(c); | ||
116 | OPENSSL_assert(j <= sizeof(c->iv)); | 118 | OPENSSL_assert(j <= sizeof(c->iv)); |
117 | i=ASN1_TYPE_set_octetstring(type,c->oiv,j); | 119 | i = ASN1_TYPE_set_octetstring(type, c->oiv, j); |
118 | } | ||
119 | return(i); | ||
120 | } | 120 | } |
121 | return (i); | ||
122 | } | ||
121 | 123 | ||
122 | /* Convert the various cipher NIDs and dummies to a proper OID NID */ | 124 | /* Convert the various cipher NIDs and dummies to a proper OID NID */ |
123 | int EVP_CIPHER_type(const EVP_CIPHER *ctx) | 125 | int |
126 | EVP_CIPHER_type(const EVP_CIPHER *ctx) | ||
124 | { | 127 | { |
125 | int nid; | 128 | int nid; |
126 | ASN1_OBJECT *otmp; | 129 | ASN1_OBJECT *otmp; |
127 | nid = EVP_CIPHER_nid(ctx); | 130 | nid = EVP_CIPHER_nid(ctx); |
128 | 131 | ||
129 | switch(nid) { | 132 | switch (nid) { |
130 | 133 | case NID_rc2_cbc: | |
131 | case NID_rc2_cbc: | 134 | case NID_rc2_64_cbc: |
132 | case NID_rc2_64_cbc: | 135 | case NID_rc2_40_cbc: |
133 | case NID_rc2_40_cbc: | ||
134 | |||
135 | return NID_rc2_cbc; | 136 | return NID_rc2_cbc; |
136 | 137 | ||
137 | case NID_rc4: | 138 | case NID_rc4: |
138 | case NID_rc4_40: | 139 | case NID_rc4_40: |
139 | |||
140 | return NID_rc4; | 140 | return NID_rc4; |
141 | 141 | ||
142 | case NID_aes_128_cfb128: | 142 | case NID_aes_128_cfb128: |
143 | case NID_aes_128_cfb8: | 143 | case NID_aes_128_cfb8: |
144 | case NID_aes_128_cfb1: | 144 | case NID_aes_128_cfb1: |
145 | |||
146 | return NID_aes_128_cfb128; | 145 | return NID_aes_128_cfb128; |
147 | 146 | ||
148 | case NID_aes_192_cfb128: | 147 | case NID_aes_192_cfb128: |
149 | case NID_aes_192_cfb8: | 148 | case NID_aes_192_cfb8: |
150 | case NID_aes_192_cfb1: | 149 | case NID_aes_192_cfb1: |
151 | |||
152 | return NID_aes_192_cfb128; | 150 | return NID_aes_192_cfb128; |
153 | 151 | ||
154 | case NID_aes_256_cfb128: | 152 | case NID_aes_256_cfb128: |
155 | case NID_aes_256_cfb8: | 153 | case NID_aes_256_cfb8: |
156 | case NID_aes_256_cfb1: | 154 | case NID_aes_256_cfb1: |
157 | |||
158 | return NID_aes_256_cfb128; | 155 | return NID_aes_256_cfb128; |
159 | 156 | ||
160 | case NID_des_cfb64: | 157 | case NID_des_cfb64: |
161 | case NID_des_cfb8: | 158 | case NID_des_cfb8: |
162 | case NID_des_cfb1: | 159 | case NID_des_cfb1: |
163 | |||
164 | return NID_des_cfb64; | 160 | return NID_des_cfb64; |
165 | 161 | ||
166 | case NID_des_ede3_cfb64: | 162 | case NID_des_ede3_cfb64: |
167 | case NID_des_ede3_cfb8: | 163 | case NID_des_ede3_cfb8: |
168 | case NID_des_ede3_cfb1: | 164 | case NID_des_ede3_cfb1: |
169 | |||
170 | return NID_des_cfb64; | 165 | return NID_des_cfb64; |
171 | 166 | ||
172 | default: | 167 | default: |
173 | /* Check it has an OID and it is valid */ | 168 | /* Check it has an OID and it is valid */ |
174 | otmp = OBJ_nid2obj(nid); | 169 | otmp = OBJ_nid2obj(nid); |
175 | if(!otmp || !otmp->data) nid = NID_undef; | 170 | if (!otmp || !otmp->data) |
171 | nid = NID_undef; | ||
176 | ASN1_OBJECT_free(otmp); | 172 | ASN1_OBJECT_free(otmp); |
177 | return nid; | 173 | return nid; |
178 | } | 174 | } |
179 | } | 175 | } |
180 | 176 | ||
181 | int EVP_CIPHER_block_size(const EVP_CIPHER *e) | 177 | int |
182 | { | 178 | EVP_CIPHER_block_size(const EVP_CIPHER *e) |
179 | { | ||
183 | return e->block_size; | 180 | return e->block_size; |
184 | } | 181 | } |
185 | 182 | ||
186 | int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx) | 183 | int |
187 | { | 184 | EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx) |
185 | { | ||
188 | return ctx->cipher->block_size; | 186 | return ctx->cipher->block_size; |
189 | } | 187 | } |
190 | 188 | ||
191 | int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) | 189 | int |
192 | { | 190 | EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, |
193 | return ctx->cipher->do_cipher(ctx,out,in,inl); | 191 | unsigned int inl) |
194 | } | 192 | { |
193 | return ctx->cipher->do_cipher(ctx, out, in, inl); | ||
194 | } | ||
195 | 195 | ||
196 | const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx) | 196 | const EVP_CIPHER * |
197 | { | 197 | EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx) |
198 | { | ||
198 | return ctx->cipher; | 199 | return ctx->cipher; |
199 | } | 200 | } |
200 | 201 | ||
201 | unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher) | 202 | unsigned long |
202 | { | 203 | EVP_CIPHER_flags(const EVP_CIPHER *cipher) |
204 | { | ||
203 | return cipher->flags; | 205 | return cipher->flags; |
204 | } | 206 | } |
205 | 207 | ||
206 | unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx) | 208 | unsigned long |
207 | { | 209 | EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx) |
210 | { | ||
208 | return ctx->cipher->flags; | 211 | return ctx->cipher->flags; |
209 | } | 212 | } |
210 | 213 | ||
211 | void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx) | 214 | void * |
212 | { | 215 | EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx) |
216 | { | ||
213 | return ctx->app_data; | 217 | return ctx->app_data; |
214 | } | 218 | } |
215 | 219 | ||
216 | void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data) | 220 | void |
217 | { | 221 | EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data) |
222 | { | ||
218 | ctx->app_data = data; | 223 | ctx->app_data = data; |
219 | } | 224 | } |
220 | 225 | ||
221 | int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher) | 226 | int |
222 | { | 227 | EVP_CIPHER_iv_length(const EVP_CIPHER *cipher) |
228 | { | ||
223 | return cipher->iv_len; | 229 | return cipher->iv_len; |
224 | } | 230 | } |
225 | 231 | ||
226 | int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx) | 232 | int |
227 | { | 233 | EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx) |
234 | { | ||
228 | return ctx->cipher->iv_len; | 235 | return ctx->cipher->iv_len; |
229 | } | 236 | } |
230 | 237 | ||
231 | int EVP_CIPHER_key_length(const EVP_CIPHER *cipher) | 238 | int |
232 | { | 239 | EVP_CIPHER_key_length(const EVP_CIPHER *cipher) |
240 | { | ||
233 | return cipher->key_len; | 241 | return cipher->key_len; |
234 | } | 242 | } |
235 | 243 | ||
236 | int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx) | 244 | int |
237 | { | 245 | EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx) |
246 | { | ||
238 | return ctx->key_len; | 247 | return ctx->key_len; |
239 | } | 248 | } |
240 | 249 | ||
241 | int EVP_CIPHER_nid(const EVP_CIPHER *cipher) | 250 | int |
242 | { | 251 | EVP_CIPHER_nid(const EVP_CIPHER *cipher) |
252 | { | ||
243 | return cipher->nid; | 253 | return cipher->nid; |
244 | } | 254 | } |
245 | 255 | ||
246 | int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx) | 256 | int |
247 | { | 257 | EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx) |
258 | { | ||
248 | return ctx->cipher->nid; | 259 | return ctx->cipher->nid; |
249 | } | 260 | } |
250 | 261 | ||
251 | int EVP_MD_block_size(const EVP_MD *md) | 262 | int |
252 | { | 263 | EVP_MD_block_size(const EVP_MD *md) |
264 | { | ||
253 | return md->block_size; | 265 | return md->block_size; |
254 | } | 266 | } |
255 | 267 | ||
256 | int EVP_MD_type(const EVP_MD *md) | 268 | int |
257 | { | 269 | EVP_MD_type(const EVP_MD *md) |
270 | { | ||
258 | return md->type; | 271 | return md->type; |
259 | } | 272 | } |
260 | 273 | ||
261 | int EVP_MD_pkey_type(const EVP_MD *md) | 274 | int |
262 | { | 275 | EVP_MD_pkey_type(const EVP_MD *md) |
276 | { | ||
263 | return md->pkey_type; | 277 | return md->pkey_type; |
264 | } | 278 | } |
265 | 279 | ||
266 | int EVP_MD_size(const EVP_MD *md) | 280 | int |
267 | { | 281 | EVP_MD_size(const EVP_MD *md) |
268 | if (!md) | 282 | { |
269 | { | 283 | if (!md) { |
270 | EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL); | 284 | EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL); |
271 | return -1; | 285 | return -1; |
272 | } | ||
273 | return md->md_size; | ||
274 | } | 286 | } |
287 | return md->md_size; | ||
288 | } | ||
275 | 289 | ||
276 | unsigned long EVP_MD_flags(const EVP_MD *md) | 290 | unsigned long |
277 | { | 291 | EVP_MD_flags(const EVP_MD *md) |
292 | { | ||
278 | return md->flags; | 293 | return md->flags; |
279 | } | 294 | } |
280 | 295 | ||
281 | const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx) | 296 | const EVP_MD * |
282 | { | 297 | EVP_MD_CTX_md(const EVP_MD_CTX *ctx) |
298 | { | ||
283 | if (!ctx) | 299 | if (!ctx) |
284 | return NULL; | 300 | return NULL; |
285 | return ctx->digest; | 301 | return ctx->digest; |
286 | } | 302 | } |
287 | 303 | ||
288 | void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags) | 304 | void |
289 | { | 305 | EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags) |
306 | { | ||
290 | ctx->flags |= flags; | 307 | ctx->flags |= flags; |
291 | } | 308 | } |
292 | 309 | ||
293 | void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags) | 310 | void |
294 | { | 311 | EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags) |
312 | { | ||
295 | ctx->flags &= ~flags; | 313 | ctx->flags &= ~flags; |
296 | } | 314 | } |
297 | 315 | ||
298 | int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags) | 316 | int |
299 | { | 317 | EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags) |
318 | { | ||
300 | return (ctx->flags & flags); | 319 | return (ctx->flags & flags); |
301 | } | 320 | } |
302 | 321 | ||
303 | void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags) | 322 | void |
304 | { | 323 | EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags) |
324 | { | ||
305 | ctx->flags |= flags; | 325 | ctx->flags |= flags; |
306 | } | 326 | } |
307 | 327 | ||
308 | void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags) | 328 | void |
309 | { | 329 | EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags) |
330 | { | ||
310 | ctx->flags &= ~flags; | 331 | ctx->flags &= ~flags; |
311 | } | 332 | } |
312 | 333 | ||
313 | int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags) | 334 | int |
314 | { | 335 | EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags) |
336 | { | ||
315 | return (ctx->flags & flags); | 337 | return (ctx->flags & flags); |
316 | } | 338 | } |