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| 1 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
| 2 * project 2006. | |
| 3 */ | |
| 4 /* ==================================================================== | |
| 5 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | |
| 6 * | |
| 7 * Redistribution and use in source and binary forms, with or without | |
| 8 * modification, are permitted provided that the following conditions | |
| 9 * are met: | |
| 10 * | |
| 11 * 1. Redistributions of source code must retain the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer. | |
| 13 * | |
| 14 * 2. Redistributions in binary form must reproduce the above copyright | |
| 15 * notice, this list of conditions and the following disclaimer in | |
| 16 * the documentation and/or other materials provided with the | |
| 17 * distribution. | |
| 18 * | |
| 19 * 3. All advertising materials mentioning features or use of this | |
| 20 * software must display the following acknowledgment: | |
| 21 * "This product includes software developed by the OpenSSL Project | |
| 22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
| 23 * | |
| 24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 25 * endorse or promote products derived from this software without | |
| 26 * prior written permission. For written permission, please contact | |
| 27 * licensing@OpenSSL.org. | |
| 28 * | |
| 29 * 5. Products derived from this software may not be called "OpenSSL" | |
| 30 * nor may "OpenSSL" appear in their names without prior written | |
| 31 * permission of the OpenSSL Project. | |
| 32 * | |
| 33 * 6. Redistributions of any form whatsoever must retain the following | |
| 34 * acknowledgment: | |
| 35 * "This product includes software developed by the OpenSSL Project | |
| 36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
| 37 * | |
| 38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 49 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 50 * ==================================================================== | |
| 51 * | |
| 52 * This product includes cryptographic software written by Eric Young | |
| 53 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 54 * Hudson (tjh@cryptsoft.com). | |
| 55 * | |
| 56 */ | |
| 57 | |
| 58 #include <stdio.h> | |
| 59 #include "cryptlib.h" | |
| 60 #include <openssl/asn1t.h> | |
| 61 #include <openssl/x509.h> | |
| 62 #ifndef OPENSSL_NO_ENGINE | |
| 63 #include <openssl/engine.h> | |
| 64 #endif | |
| 65 #include "asn1_locl.h" | |
| 66 | |
| 67 extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[]; | |
| 68 extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[]; | |
| 69 extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth; | |
| 70 extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth; | |
| 71 extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth; | |
| 72 extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth; | |
| 73 | |
| 74 /* Keep this sorted in type order !! */ | |
| 75 static const EVP_PKEY_ASN1_METHOD *standard_methods[] = | |
| 76 { | |
| 77 #ifndef OPENSSL_NO_RSA | |
| 78 &rsa_asn1_meths[0], | |
| 79 &rsa_asn1_meths[1], | |
| 80 #endif | |
| 81 #ifndef OPENSSL_NO_DH | |
| 82 &dh_asn1_meth, | |
| 83 #endif | |
| 84 #ifndef OPENSSL_NO_DSA | |
| 85 &dsa_asn1_meths[0], | |
| 86 &dsa_asn1_meths[1], | |
| 87 &dsa_asn1_meths[2], | |
| 88 &dsa_asn1_meths[3], | |
| 89 &dsa_asn1_meths[4], | |
| 90 #endif | |
| 91 #ifndef OPENSSL_NO_EC | |
| 92 &eckey_asn1_meth, | |
| 93 #endif | |
| 94 &hmac_asn1_meth, | |
| 95 &cmac_asn1_meth | |
| 96 }; | |
| 97 | |
| 98 typedef int sk_cmp_fn_type(const char * const *a, const char * const *b); | |
| 99 DECLARE_STACK_OF(EVP_PKEY_ASN1_METHOD) | |
| 100 static STACK_OF(EVP_PKEY_ASN1_METHOD) *app_methods = NULL; | |
| 101 | |
| 102 | |
| 103 | |
| 104 #ifdef TEST | |
| 105 void main() | |
| 106 { | |
| 107 int i; | |
| 108 for (i = 0; | |
| 109 i < sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *); | |
| 110 i++) | |
| 111 fprintf(stderr, "Number %d id=%d (%s)\n", i, | |
| 112 standard_methods[i]->pkey_id, | |
| 113 OBJ_nid2sn(standard_methods[i]->pkey_id)); | |
| 114 } | |
| 115 #endif | |
| 116 | |
| 117 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *, | |
| 118 const EVP_PKEY_ASN1_METHOD *, ameth); | |
| 119 | |
| 120 static int ameth_cmp(const EVP_PKEY_ASN1_METHOD * const *a, | |
| 121 const EVP_PKEY_ASN1_METHOD * const *b) | |
| 122 { | |
| 123 return ((*a)->pkey_id - (*b)->pkey_id); | |
| 124 } | |
| 125 | |
| 126 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_ASN1_METHOD *, | |
| 127 const EVP_PKEY_ASN1_METHOD *, ameth); | |
| 128 | |
| 129 int EVP_PKEY_asn1_get_count(void) | |
| 130 { | |
| 131 int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *); | |
| 132 if (app_methods) | |
| 133 num += sk_EVP_PKEY_ASN1_METHOD_num(app_methods); | |
| 134 return num; | |
| 135 } | |
| 136 | |
| 137 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx) | |
| 138 { | |
| 139 int num = sizeof(standard_methods)/sizeof(EVP_PKEY_ASN1_METHOD *); | |
| 140 if (idx < 0) | |
| 141 return NULL; | |
| 142 if (idx < num) | |
| 143 return standard_methods[idx]; | |
| 144 idx -= num; | |
| 145 return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx); | |
| 146 } | |
| 147 | |
| 148 static const EVP_PKEY_ASN1_METHOD *pkey_asn1_find(int type) | |
| 149 { | |
| 150 EVP_PKEY_ASN1_METHOD tmp; | |
| 151 const EVP_PKEY_ASN1_METHOD *t = &tmp, **ret; | |
| 152 tmp.pkey_id = type; | |
| 153 if (app_methods) | |
| 154 { | |
| 155 int idx; | |
| 156 idx = sk_EVP_PKEY_ASN1_METHOD_find(app_methods, &tmp); | |
| 157 if (idx >= 0) | |
| 158 return sk_EVP_PKEY_ASN1_METHOD_value(app_methods, idx); | |
| 159 } | |
| 160 ret = OBJ_bsearch_ameth(&t, standard_methods, | |
| 161 sizeof(standard_methods) | |
| 162 /sizeof(EVP_PKEY_ASN1_METHOD *)); | |
| 163 if (!ret || !*ret) | |
| 164 return NULL; | |
| 165 return *ret; | |
| 166 } | |
| 167 | |
| 168 /* Find an implementation of an ASN1 algorithm. If 'pe' is not NULL | |
| 169 * also search through engines and set *pe to a functional reference | |
| 170 * to the engine implementing 'type' or NULL if no engine implements | |
| 171 * it. | |
| 172 */ | |
| 173 | |
| 174 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type) | |
| 175 { | |
| 176 const EVP_PKEY_ASN1_METHOD *t; | |
| 177 | |
| 178 for (;;) | |
| 179 { | |
| 180 t = pkey_asn1_find(type); | |
| 181 if (!t || !(t->pkey_flags & ASN1_PKEY_ALIAS)) | |
| 182 break; | |
| 183 type = t->pkey_base_id; | |
| 184 } | |
| 185 if (pe) | |
| 186 { | |
| 187 #ifndef OPENSSL_NO_ENGINE | |
| 188 ENGINE *e; | |
| 189 /* type will contain the final unaliased type */ | |
| 190 e = ENGINE_get_pkey_asn1_meth_engine(type); | |
| 191 if (e) | |
| 192 { | |
| 193 *pe = e; | |
| 194 return ENGINE_get_pkey_asn1_meth(e, type); | |
| 195 } | |
| 196 #endif | |
| 197 *pe = NULL; | |
| 198 } | |
| 199 return t; | |
| 200 } | |
| 201 | |
| 202 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe, | |
| 203 const char *str, int len) | |
| 204 { | |
| 205 int i; | |
| 206 const EVP_PKEY_ASN1_METHOD *ameth; | |
| 207 if (len == -1) | |
| 208 len = strlen(str); | |
| 209 if (pe) | |
| 210 { | |
| 211 #ifndef OPENSSL_NO_ENGINE | |
| 212 ENGINE *e; | |
| 213 ameth = ENGINE_pkey_asn1_find_str(&e, str, len); | |
| 214 if (ameth) | |
| 215 { | |
| 216 /* Convert structural into | |
| 217 * functional reference | |
| 218 */ | |
| 219 if (!ENGINE_init(e)) | |
| 220 ameth = NULL; | |
| 221 ENGINE_free(e); | |
| 222 *pe = e; | |
| 223 return ameth; | |
| 224 } | |
| 225 #endif | |
| 226 *pe = NULL; | |
| 227 } | |
| 228 for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) | |
| 229 { | |
| 230 ameth = EVP_PKEY_asn1_get0(i); | |
| 231 if (ameth->pkey_flags & ASN1_PKEY_ALIAS) | |
| 232 continue; | |
| 233 if (((int)strlen(ameth->pem_str) == len) && | |
| 234 !strncasecmp(ameth->pem_str, str, len)) | |
| 235 return ameth; | |
| 236 } | |
| 237 return NULL; | |
| 238 } | |
| 239 | |
| 240 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth) | |
| 241 { | |
| 242 if (app_methods == NULL) | |
| 243 { | |
| 244 app_methods = sk_EVP_PKEY_ASN1_METHOD_new(ameth_cmp); | |
| 245 if (!app_methods) | |
| 246 return 0; | |
| 247 } | |
| 248 if (!sk_EVP_PKEY_ASN1_METHOD_push(app_methods, ameth)) | |
| 249 return 0; | |
| 250 sk_EVP_PKEY_ASN1_METHOD_sort(app_methods); | |
| 251 return 1; | |
| 252 } | |
| 253 | |
| 254 int EVP_PKEY_asn1_add_alias(int to, int from) | |
| 255 { | |
| 256 EVP_PKEY_ASN1_METHOD *ameth; | |
| 257 ameth = EVP_PKEY_asn1_new(from, ASN1_PKEY_ALIAS, NULL, NULL); | |
| 258 if (!ameth) | |
| 259 return 0; | |
| 260 ameth->pkey_base_id = to; | |
| 261 return EVP_PKEY_asn1_add0(ameth); | |
| 262 } | |
| 263 | |
| 264 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *ppkey_base_id, int *ppkey_flags, | |
| 265 const char **pinfo, const char **ppem_str, | |
| 266 const EVP_PKEY_ASN1_METHOD *ameth) | |
| 267 { | |
| 268 if (!ameth) | |
| 269 return 0; | |
| 270 if (ppkey_id) | |
| 271 *ppkey_id = ameth->pkey_id; | |
| 272 if (ppkey_base_id) | |
| 273 *ppkey_base_id = ameth->pkey_base_id; | |
| 274 if (ppkey_flags) | |
| 275 *ppkey_flags = ameth->pkey_flags; | |
| 276 if (pinfo) | |
| 277 *pinfo = ameth->info; | |
| 278 if (ppem_str) | |
| 279 *ppem_str = ameth->pem_str; | |
| 280 return 1; | |
| 281 } | |
| 282 | |
| 283 const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey) | |
| 284 { | |
| 285 return pkey->ameth; | |
| 286 } | |
| 287 | |
| 288 EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, | |
| 289 const char *pem_str, const char *info) | |
| 290 { | |
| 291 EVP_PKEY_ASN1_METHOD *ameth; | |
| 292 ameth = OPENSSL_malloc(sizeof(EVP_PKEY_ASN1_METHOD)); | |
| 293 if (!ameth) | |
| 294 return NULL; | |
| 295 | |
| 296 memset(ameth, 0, sizeof(EVP_PKEY_ASN1_METHOD)); | |
| 297 | |
| 298 ameth->pkey_id = id; | |
| 299 ameth->pkey_base_id = id; | |
| 300 ameth->pkey_flags = flags | ASN1_PKEY_DYNAMIC; | |
| 301 | |
| 302 if (info) | |
| 303 { | |
| 304 ameth->info = BUF_strdup(info); | |
| 305 if (!ameth->info) | |
| 306 goto err; | |
| 307 } | |
| 308 else | |
| 309 ameth->info = NULL; | |
| 310 | |
| 311 if (pem_str) | |
| 312 { | |
| 313 ameth->pem_str = BUF_strdup(pem_str); | |
| 314 if (!ameth->pem_str) | |
| 315 goto err; | |
| 316 } | |
| 317 else | |
| 318 ameth->pem_str = NULL; | |
| 319 | |
| 320 ameth->pub_decode = 0; | |
| 321 ameth->pub_encode = 0; | |
| 322 ameth->pub_cmp = 0; | |
| 323 ameth->pub_print = 0; | |
| 324 | |
| 325 ameth->priv_decode = 0; | |
| 326 ameth->priv_encode = 0; | |
| 327 ameth->priv_print = 0; | |
| 328 | |
| 329 ameth->old_priv_encode = 0; | |
| 330 ameth->old_priv_decode = 0; | |
| 331 | |
| 332 ameth->item_verify = 0; | |
| 333 ameth->item_sign = 0; | |
| 334 | |
| 335 ameth->pkey_size = 0; | |
| 336 ameth->pkey_bits = 0; | |
| 337 | |
| 338 ameth->param_decode = 0; | |
| 339 ameth->param_encode = 0; | |
| 340 ameth->param_missing = 0; | |
| 341 ameth->param_copy = 0; | |
| 342 ameth->param_cmp = 0; | |
| 343 ameth->param_print = 0; | |
| 344 | |
| 345 ameth->pkey_free = 0; | |
| 346 ameth->pkey_ctrl = 0; | |
| 347 | |
| 348 return ameth; | |
| 349 | |
| 350 err: | |
| 351 | |
| 352 EVP_PKEY_asn1_free(ameth); | |
| 353 return NULL; | |
| 354 | |
| 355 } | |
| 356 | |
| 357 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst, | |
| 358 const EVP_PKEY_ASN1_METHOD *src) | |
| 359 { | |
| 360 | |
| 361 dst->pub_decode = src->pub_decode; | |
| 362 dst->pub_encode = src->pub_encode; | |
| 363 dst->pub_cmp = src->pub_cmp; | |
| 364 dst->pub_print = src->pub_print; | |
| 365 | |
| 366 dst->priv_decode = src->priv_decode; | |
| 367 dst->priv_encode = src->priv_encode; | |
| 368 dst->priv_print = src->priv_print; | |
| 369 | |
| 370 dst->old_priv_encode = src->old_priv_encode; | |
| 371 dst->old_priv_decode = src->old_priv_decode; | |
| 372 | |
| 373 dst->pkey_size = src->pkey_size; | |
| 374 dst->pkey_bits = src->pkey_bits; | |
| 375 | |
| 376 dst->param_decode = src->param_decode; | |
| 377 dst->param_encode = src->param_encode; | |
| 378 dst->param_missing = src->param_missing; | |
| 379 dst->param_copy = src->param_copy; | |
| 380 dst->param_cmp = src->param_cmp; | |
| 381 dst->param_print = src->param_print; | |
| 382 | |
| 383 dst->pkey_free = src->pkey_free; | |
| 384 dst->pkey_ctrl = src->pkey_ctrl; | |
| 385 | |
| 386 dst->item_sign = src->item_sign; | |
| 387 dst->item_verify = src->item_verify; | |
| 388 | |
| 389 } | |
| 390 | |
| 391 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth) | |
| 392 { | |
| 393 if (ameth && (ameth->pkey_flags & ASN1_PKEY_DYNAMIC)) | |
| 394 { | |
| 395 if (ameth->pem_str) | |
| 396 OPENSSL_free(ameth->pem_str); | |
| 397 if (ameth->info) | |
| 398 OPENSSL_free(ameth->info); | |
| 399 OPENSSL_free(ameth); | |
| 400 } | |
| 401 } | |
| 402 | |
| 403 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth, | |
| 404 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub), | |
| 405 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk), | |
| 406 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), | |
| 407 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, | |
| 408 ASN1_PCTX *pctx), | |
| 409 int (*pkey_size)(const EVP_PKEY *pk), | |
| 410 int (*pkey_bits)(const EVP_PKEY *pk)) | |
| 411 { | |
| 412 ameth->pub_decode = pub_decode; | |
| 413 ameth->pub_encode = pub_encode; | |
| 414 ameth->pub_cmp = pub_cmp; | |
| 415 ameth->pub_print = pub_print; | |
| 416 ameth->pkey_size = pkey_size; | |
| 417 ameth->pkey_bits = pkey_bits; | |
| 418 } | |
| 419 | |
| 420 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth, | |
| 421 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf), | |
| 422 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk), | |
| 423 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, | |
| 424 ASN1_PCTX *pctx)) | |
| 425 { | |
| 426 ameth->priv_decode = priv_decode; | |
| 427 ameth->priv_encode = priv_encode; | |
| 428 ameth->priv_print = priv_print; | |
| 429 } | |
| 430 | |
| 431 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth, | |
| 432 int (*param_decode)(EVP_PKEY *pkey, | |
| 433 const unsigned char **pder, int derlen), | |
| 434 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder), | |
| 435 int (*param_missing)(const EVP_PKEY *pk), | |
| 436 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from), | |
| 437 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b), | |
| 438 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, | |
| 439 ASN1_PCTX *pctx)) | |
| 440 { | |
| 441 ameth->param_decode = param_decode; | |
| 442 ameth->param_encode = param_encode; | |
| 443 ameth->param_missing = param_missing; | |
| 444 ameth->param_copy = param_copy; | |
| 445 ameth->param_cmp = param_cmp; | |
| 446 ameth->param_print = param_print; | |
| 447 } | |
| 448 | |
| 449 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth, | |
| 450 void (*pkey_free)(EVP_PKEY *pkey)) | |
| 451 { | |
| 452 ameth->pkey_free = pkey_free; | |
| 453 } | |
| 454 | |
| 455 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth, | |
| 456 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, | |
| 457 long arg1, void *arg2)) | |
| 458 { | |
| 459 ameth->pkey_ctrl = pkey_ctrl; | |
| 460 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master