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| 1 /* crypto/pkcs7/pk7_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 <openssl/objects.h> | |
| 62 #include <openssl/x509.h> | |
| 63 #include "asn1_locl.h" | |
| 64 | |
| 65 long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg) | |
| 66 { | |
| 67 int nid; | |
| 68 long ret; | |
| 69 | |
| 70 nid=OBJ_obj2nid(p7->type); | |
| 71 | |
| 72 switch (cmd) | |
| 73 { | |
| 74 case PKCS7_OP_SET_DETACHED_SIGNATURE: | |
| 75 if (nid == NID_pkcs7_signed) | |
| 76 { | |
| 77 ret=p7->detached=(int)larg; | |
| 78 if (ret && PKCS7_type_is_data(p7->d.sign->contents)) | |
| 79 { | |
| 80 ASN1_OCTET_STRING *os; | |
| 81 os=p7->d.sign->contents->d.data; | |
| 82 ASN1_OCTET_STRING_free(os); | |
| 83 p7->d.sign->contents->d.data = NULL; | |
| 84 } | |
| 85 } | |
| 86 else | |
| 87 { | |
| 88 PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPOR
TED_ON_THIS_TYPE); | |
| 89 ret=0; | |
| 90 } | |
| 91 break; | |
| 92 case PKCS7_OP_GET_DETACHED_SIGNATURE: | |
| 93 if (nid == NID_pkcs7_signed) | |
| 94 { | |
| 95 if(!p7->d.sign || !p7->d.sign->contents->d.ptr) | |
| 96 ret = 1; | |
| 97 else ret = 0; | |
| 98 | |
| 99 p7->detached = ret; | |
| 100 } | |
| 101 else | |
| 102 { | |
| 103 PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPOR
TED_ON_THIS_TYPE); | |
| 104 ret=0; | |
| 105 } | |
| 106 | |
| 107 break; | |
| 108 default: | |
| 109 PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION); | |
| 110 ret=0; | |
| 111 } | |
| 112 return(ret); | |
| 113 } | |
| 114 | |
| 115 int PKCS7_content_new(PKCS7 *p7, int type) | |
| 116 { | |
| 117 PKCS7 *ret=NULL; | |
| 118 | |
| 119 if ((ret=PKCS7_new()) == NULL) goto err; | |
| 120 if (!PKCS7_set_type(ret,type)) goto err; | |
| 121 if (!PKCS7_set_content(p7,ret)) goto err; | |
| 122 | |
| 123 return(1); | |
| 124 err: | |
| 125 if (ret != NULL) PKCS7_free(ret); | |
| 126 return(0); | |
| 127 } | |
| 128 | |
| 129 int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data) | |
| 130 { | |
| 131 int i; | |
| 132 | |
| 133 i=OBJ_obj2nid(p7->type); | |
| 134 switch (i) | |
| 135 { | |
| 136 case NID_pkcs7_signed: | |
| 137 if (p7->d.sign->contents != NULL) | |
| 138 PKCS7_free(p7->d.sign->contents); | |
| 139 p7->d.sign->contents=p7_data; | |
| 140 break; | |
| 141 case NID_pkcs7_digest: | |
| 142 if (p7->d.digest->contents != NULL) | |
| 143 PKCS7_free(p7->d.digest->contents); | |
| 144 p7->d.digest->contents=p7_data; | |
| 145 break; | |
| 146 case NID_pkcs7_data: | |
| 147 case NID_pkcs7_enveloped: | |
| 148 case NID_pkcs7_signedAndEnveloped: | |
| 149 case NID_pkcs7_encrypted: | |
| 150 default: | |
| 151 PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_T
YPE); | |
| 152 goto err; | |
| 153 } | |
| 154 return(1); | |
| 155 err: | |
| 156 return(0); | |
| 157 } | |
| 158 | |
| 159 int PKCS7_set_type(PKCS7 *p7, int type) | |
| 160 { | |
| 161 ASN1_OBJECT *obj; | |
| 162 | |
| 163 /*PKCS7_content_free(p7);*/ | |
| 164 obj=OBJ_nid2obj(type); /* will not fail */ | |
| 165 | |
| 166 switch (type) | |
| 167 { | |
| 168 case NID_pkcs7_signed: | |
| 169 p7->type=obj; | |
| 170 if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL) | |
| 171 goto err; | |
| 172 if (!ASN1_INTEGER_set(p7->d.sign->version,1)) | |
| 173 { | |
| 174 PKCS7_SIGNED_free(p7->d.sign); | |
| 175 p7->d.sign=NULL; | |
| 176 goto err; | |
| 177 } | |
| 178 break; | |
| 179 case NID_pkcs7_data: | |
| 180 p7->type=obj; | |
| 181 if ((p7->d.data=M_ASN1_OCTET_STRING_new()) == NULL) | |
| 182 goto err; | |
| 183 break; | |
| 184 case NID_pkcs7_signedAndEnveloped: | |
| 185 p7->type=obj; | |
| 186 if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new()) | |
| 187 == NULL) goto err; | |
| 188 ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1); | |
| 189 if (!ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1)) | |
| 190 goto err; | |
| 191 p7->d.signed_and_enveloped->enc_data->content_type | |
| 192 = OBJ_nid2obj(NID_pkcs7_data); | |
| 193 break; | |
| 194 case NID_pkcs7_enveloped: | |
| 195 p7->type=obj; | |
| 196 if ((p7->d.enveloped=PKCS7_ENVELOPE_new()) | |
| 197 == NULL) goto err; | |
| 198 if (!ASN1_INTEGER_set(p7->d.enveloped->version,0)) | |
| 199 goto err; | |
| 200 p7->d.enveloped->enc_data->content_type | |
| 201 = OBJ_nid2obj(NID_pkcs7_data); | |
| 202 break; | |
| 203 case NID_pkcs7_encrypted: | |
| 204 p7->type=obj; | |
| 205 if ((p7->d.encrypted=PKCS7_ENCRYPT_new()) | |
| 206 == NULL) goto err; | |
| 207 if (!ASN1_INTEGER_set(p7->d.encrypted->version,0)) | |
| 208 goto err; | |
| 209 p7->d.encrypted->enc_data->content_type | |
| 210 = OBJ_nid2obj(NID_pkcs7_data); | |
| 211 break; | |
| 212 | |
| 213 case NID_pkcs7_digest: | |
| 214 p7->type=obj; | |
| 215 if ((p7->d.digest=PKCS7_DIGEST_new()) | |
| 216 == NULL) goto err; | |
| 217 if (!ASN1_INTEGER_set(p7->d.digest->version,0)) | |
| 218 goto err; | |
| 219 break; | |
| 220 default: | |
| 221 PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE
); | |
| 222 goto err; | |
| 223 } | |
| 224 return(1); | |
| 225 err: | |
| 226 return(0); | |
| 227 } | |
| 228 | |
| 229 int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other) | |
| 230 { | |
| 231 p7->type = OBJ_nid2obj(type); | |
| 232 p7->d.other = other; | |
| 233 return 1; | |
| 234 } | |
| 235 | |
| 236 int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi) | |
| 237 { | |
| 238 int i,j,nid; | |
| 239 X509_ALGOR *alg; | |
| 240 STACK_OF(PKCS7_SIGNER_INFO) *signer_sk; | |
| 241 STACK_OF(X509_ALGOR) *md_sk; | |
| 242 | |
| 243 i=OBJ_obj2nid(p7->type); | |
| 244 switch (i) | |
| 245 { | |
| 246 case NID_pkcs7_signed: | |
| 247 signer_sk= p7->d.sign->signer_info; | |
| 248 md_sk= p7->d.sign->md_algs; | |
| 249 break; | |
| 250 case NID_pkcs7_signedAndEnveloped: | |
| 251 signer_sk= p7->d.signed_and_enveloped->signer_info; | |
| 252 md_sk= p7->d.signed_and_enveloped->md_algs; | |
| 253 break; | |
| 254 default: | |
| 255 PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE); | |
| 256 return(0); | |
| 257 } | |
| 258 | |
| 259 nid=OBJ_obj2nid(psi->digest_alg->algorithm); | |
| 260 | |
| 261 /* If the digest is not currently listed, add it */ | |
| 262 j=0; | |
| 263 for (i=0; i<sk_X509_ALGOR_num(md_sk); i++) | |
| 264 { | |
| 265 alg=sk_X509_ALGOR_value(md_sk,i); | |
| 266 if (OBJ_obj2nid(alg->algorithm) == nid) | |
| 267 { | |
| 268 j=1; | |
| 269 break; | |
| 270 } | |
| 271 } | |
| 272 if (!j) /* we need to add another algorithm */ | |
| 273 { | |
| 274 if(!(alg=X509_ALGOR_new()) | |
| 275 || !(alg->parameter = ASN1_TYPE_new())) | |
| 276 { | |
| 277 X509_ALGOR_free(alg); | |
| 278 PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,ERR_R_MALLOC_FAILURE); | |
| 279 return(0); | |
| 280 } | |
| 281 alg->algorithm=OBJ_nid2obj(nid); | |
| 282 alg->parameter->type = V_ASN1_NULL; | |
| 283 if (!sk_X509_ALGOR_push(md_sk,alg)) | |
| 284 { | |
| 285 X509_ALGOR_free(alg); | |
| 286 return 0; | |
| 287 } | |
| 288 } | |
| 289 | |
| 290 if (!sk_PKCS7_SIGNER_INFO_push(signer_sk,psi)) | |
| 291 return 0; | |
| 292 return(1); | |
| 293 } | |
| 294 | |
| 295 int PKCS7_add_certificate(PKCS7 *p7, X509 *x509) | |
| 296 { | |
| 297 int i; | |
| 298 STACK_OF(X509) **sk; | |
| 299 | |
| 300 i=OBJ_obj2nid(p7->type); | |
| 301 switch (i) | |
| 302 { | |
| 303 case NID_pkcs7_signed: | |
| 304 sk= &(p7->d.sign->cert); | |
| 305 break; | |
| 306 case NID_pkcs7_signedAndEnveloped: | |
| 307 sk= &(p7->d.signed_and_enveloped->cert); | |
| 308 break; | |
| 309 default: | |
| 310 PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYP
E); | |
| 311 return(0); | |
| 312 } | |
| 313 | |
| 314 if (*sk == NULL) | |
| 315 *sk=sk_X509_new_null(); | |
| 316 if (*sk == NULL) | |
| 317 { | |
| 318 PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE, ERR_R_MALLOC_FAILURE); | |
| 319 return 0; | |
| 320 } | |
| 321 CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); | |
| 322 if (!sk_X509_push(*sk,x509)) | |
| 323 { | |
| 324 X509_free(x509); | |
| 325 return 0; | |
| 326 } | |
| 327 return(1); | |
| 328 } | |
| 329 | |
| 330 int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl) | |
| 331 { | |
| 332 int i; | |
| 333 STACK_OF(X509_CRL) **sk; | |
| 334 | |
| 335 i=OBJ_obj2nid(p7->type); | |
| 336 switch (i) | |
| 337 { | |
| 338 case NID_pkcs7_signed: | |
| 339 sk= &(p7->d.sign->crl); | |
| 340 break; | |
| 341 case NID_pkcs7_signedAndEnveloped: | |
| 342 sk= &(p7->d.signed_and_enveloped->crl); | |
| 343 break; | |
| 344 default: | |
| 345 PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE); | |
| 346 return(0); | |
| 347 } | |
| 348 | |
| 349 if (*sk == NULL) | |
| 350 *sk=sk_X509_CRL_new_null(); | |
| 351 if (*sk == NULL) | |
| 352 { | |
| 353 PKCS7err(PKCS7_F_PKCS7_ADD_CRL,ERR_R_MALLOC_FAILURE); | |
| 354 return 0; | |
| 355 } | |
| 356 | |
| 357 CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL); | |
| 358 if (!sk_X509_CRL_push(*sk,crl)) | |
| 359 { | |
| 360 X509_CRL_free(crl); | |
| 361 return 0; | |
| 362 } | |
| 363 return(1); | |
| 364 } | |
| 365 | |
| 366 int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey, | |
| 367 const EVP_MD *dgst) | |
| 368 { | |
| 369 int ret; | |
| 370 | |
| 371 /* We now need to add another PKCS7_SIGNER_INFO entry */ | |
| 372 if (!ASN1_INTEGER_set(p7i->version,1)) | |
| 373 goto err; | |
| 374 if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, | |
| 375 X509_get_issuer_name(x509))) | |
| 376 goto err; | |
| 377 | |
| 378 /* because ASN1_INTEGER_set is used to set a 'long' we will do | |
| 379 * things the ugly way. */ | |
| 380 M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial); | |
| 381 if (!(p7i->issuer_and_serial->serial= | |
| 382 M_ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) | |
| 383 goto err; | |
| 384 | |
| 385 /* lets keep the pkey around for a while */ | |
| 386 CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); | |
| 387 p7i->pkey=pkey; | |
| 388 | |
| 389 /* Set the algorithms */ | |
| 390 | |
| 391 X509_ALGOR_set0(p7i->digest_alg, OBJ_nid2obj(EVP_MD_type(dgst)), | |
| 392 V_ASN1_NULL, NULL); | |
| 393 | |
| 394 if (pkey->ameth && pkey->ameth->pkey_ctrl) | |
| 395 { | |
| 396 ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_SIGN, | |
| 397 0, p7i); | |
| 398 if (ret > 0) | |
| 399 return 1; | |
| 400 if (ret != -2) | |
| 401 { | |
| 402 PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET, | |
| 403 PKCS7_R_SIGNING_CTRL_FAILURE); | |
| 404 return 0; | |
| 405 } | |
| 406 } | |
| 407 PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET, | |
| 408 PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | |
| 409 err: | |
| 410 return 0; | |
| 411 } | |
| 412 | |
| 413 PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey, | |
| 414 const EVP_MD *dgst) | |
| 415 { | |
| 416 PKCS7_SIGNER_INFO *si = NULL; | |
| 417 | |
| 418 if (dgst == NULL) | |
| 419 { | |
| 420 int def_nid; | |
| 421 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0) | |
| 422 goto err; | |
| 423 dgst = EVP_get_digestbynid(def_nid); | |
| 424 if (dgst == NULL) | |
| 425 { | |
| 426 PKCS7err(PKCS7_F_PKCS7_ADD_SIGNATURE, | |
| 427 PKCS7_R_NO_DEFAULT_DIGEST); | |
| 428 goto err; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err; | |
| 433 if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err; | |
| 434 if (!PKCS7_add_signer(p7,si)) goto err; | |
| 435 return(si); | |
| 436 err: | |
| 437 if (si) | |
| 438 PKCS7_SIGNER_INFO_free(si); | |
| 439 return(NULL); | |
| 440 } | |
| 441 | |
| 442 int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md) | |
| 443 { | |
| 444 if (PKCS7_type_is_digest(p7)) | |
| 445 { | |
| 446 if(!(p7->d.digest->md->parameter = ASN1_TYPE_new())) | |
| 447 { | |
| 448 PKCS7err(PKCS7_F_PKCS7_SET_DIGEST,ERR_R_MALLOC_FAILURE); | |
| 449 return 0; | |
| 450 } | |
| 451 p7->d.digest->md->parameter->type = V_ASN1_NULL; | |
| 452 p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md)); | |
| 453 return 1; | |
| 454 } | |
| 455 | |
| 456 PKCS7err(PKCS7_F_PKCS7_SET_DIGEST,PKCS7_R_WRONG_CONTENT_TYPE); | |
| 457 return 1; | |
| 458 } | |
| 459 | |
| 460 STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7) | |
| 461 { | |
| 462 if (PKCS7_type_is_signed(p7)) | |
| 463 { | |
| 464 return(p7->d.sign->signer_info); | |
| 465 } | |
| 466 else if (PKCS7_type_is_signedAndEnveloped(p7)) | |
| 467 { | |
| 468 return(p7->d.signed_and_enveloped->signer_info); | |
| 469 } | |
| 470 else | |
| 471 return(NULL); | |
| 472 } | |
| 473 | |
| 474 void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk, | |
| 475 X509_ALGOR **pdig, X509_ALGOR **psig) | |
| 476 { | |
| 477 if (pk) | |
| 478 *pk = si->pkey; | |
| 479 if (pdig) | |
| 480 *pdig = si->digest_alg; | |
| 481 if (psig) | |
| 482 *psig = si->digest_enc_alg; | |
| 483 } | |
| 484 | |
| 485 void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc) | |
| 486 { | |
| 487 if (penc) | |
| 488 *penc = ri->key_enc_algor; | |
| 489 } | |
| 490 | |
| 491 PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509) | |
| 492 { | |
| 493 PKCS7_RECIP_INFO *ri; | |
| 494 | |
| 495 if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err; | |
| 496 if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err; | |
| 497 if (!PKCS7_add_recipient_info(p7,ri)) goto err; | |
| 498 return ri; | |
| 499 err: | |
| 500 if (ri) | |
| 501 PKCS7_RECIP_INFO_free(ri); | |
| 502 return NULL; | |
| 503 } | |
| 504 | |
| 505 int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri) | |
| 506 { | |
| 507 int i; | |
| 508 STACK_OF(PKCS7_RECIP_INFO) *sk; | |
| 509 | |
| 510 i=OBJ_obj2nid(p7->type); | |
| 511 switch (i) | |
| 512 { | |
| 513 case NID_pkcs7_signedAndEnveloped: | |
| 514 sk= p7->d.signed_and_enveloped->recipientinfo; | |
| 515 break; | |
| 516 case NID_pkcs7_enveloped: | |
| 517 sk= p7->d.enveloped->recipientinfo; | |
| 518 break; | |
| 519 default: | |
| 520 PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_
TYPE); | |
| 521 return(0); | |
| 522 } | |
| 523 | |
| 524 if (!sk_PKCS7_RECIP_INFO_push(sk,ri)) | |
| 525 return 0; | |
| 526 return(1); | |
| 527 } | |
| 528 | |
| 529 int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509) | |
| 530 { | |
| 531 int ret; | |
| 532 EVP_PKEY *pkey = NULL; | |
| 533 if (!ASN1_INTEGER_set(p7i->version,0)) | |
| 534 return 0; | |
| 535 if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, | |
| 536 X509_get_issuer_name(x509))) | |
| 537 return 0; | |
| 538 | |
| 539 M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial); | |
| 540 if (!(p7i->issuer_and_serial->serial= | |
| 541 M_ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) | |
| 542 return 0; | |
| 543 | |
| 544 pkey = X509_get_pubkey(x509); | |
| 545 | |
| 546 if (!pkey || !pkey->ameth || !pkey->ameth->pkey_ctrl) | |
| 547 { | |
| 548 PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET, | |
| 549 PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | |
| 550 goto err; | |
| 551 } | |
| 552 | |
| 553 ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_ENCRYPT, | |
| 554 0, p7i); | |
| 555 if (ret == -2) | |
| 556 { | |
| 557 PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET, | |
| 558 PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE); | |
| 559 goto err; | |
| 560 } | |
| 561 if (ret <= 0) | |
| 562 { | |
| 563 PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET, | |
| 564 PKCS7_R_ENCRYPTION_CTRL_FAILURE); | |
| 565 goto err; | |
| 566 } | |
| 567 | |
| 568 EVP_PKEY_free(pkey); | |
| 569 | |
| 570 CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); | |
| 571 p7i->cert=x509; | |
| 572 | |
| 573 return 1; | |
| 574 | |
| 575 err: | |
| 576 if (pkey) | |
| 577 EVP_PKEY_free(pkey); | |
| 578 return 0; | |
| 579 } | |
| 580 | |
| 581 X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si) | |
| 582 { | |
| 583 if (PKCS7_type_is_signed(p7)) | |
| 584 return(X509_find_by_issuer_and_serial(p7->d.sign->cert, | |
| 585 si->issuer_and_serial->issuer, | |
| 586 si->issuer_and_serial->serial)); | |
| 587 else | |
| 588 return(NULL); | |
| 589 } | |
| 590 | |
| 591 int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher) | |
| 592 { | |
| 593 int i; | |
| 594 PKCS7_ENC_CONTENT *ec; | |
| 595 | |
| 596 i=OBJ_obj2nid(p7->type); | |
| 597 switch (i) | |
| 598 { | |
| 599 case NID_pkcs7_signedAndEnveloped: | |
| 600 ec=p7->d.signed_and_enveloped->enc_data; | |
| 601 break; | |
| 602 case NID_pkcs7_enveloped: | |
| 603 ec=p7->d.enveloped->enc_data; | |
| 604 break; | |
| 605 default: | |
| 606 PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE); | |
| 607 return(0); | |
| 608 } | |
| 609 | |
| 610 /* Check cipher OID exists and has data in it*/ | |
| 611 i = EVP_CIPHER_type(cipher); | |
| 612 if(i == NID_undef) { | |
| 613 PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_CIPHER_HAS_NO_OBJECT_I
DENTIFIER); | |
| 614 return(0); | |
| 615 } | |
| 616 | |
| 617 ec->cipher = cipher; | |
| 618 return 1; | |
| 619 } | |
| 620 | |
| 621 int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7) | |
| 622 { | |
| 623 ASN1_OCTET_STRING *os = NULL; | |
| 624 | |
| 625 switch (OBJ_obj2nid(p7->type)) | |
| 626 { | |
| 627 case NID_pkcs7_data: | |
| 628 os = p7->d.data; | |
| 629 break; | |
| 630 | |
| 631 case NID_pkcs7_signedAndEnveloped: | |
| 632 os = p7->d.signed_and_enveloped->enc_data->enc_data; | |
| 633 if (os == NULL) | |
| 634 { | |
| 635 os=M_ASN1_OCTET_STRING_new(); | |
| 636 p7->d.signed_and_enveloped->enc_data->enc_data=os; | |
| 637 } | |
| 638 break; | |
| 639 | |
| 640 case NID_pkcs7_enveloped: | |
| 641 os = p7->d.enveloped->enc_data->enc_data; | |
| 642 if (os == NULL) | |
| 643 { | |
| 644 os=M_ASN1_OCTET_STRING_new(); | |
| 645 p7->d.enveloped->enc_data->enc_data=os; | |
| 646 } | |
| 647 break; | |
| 648 | |
| 649 case NID_pkcs7_signed: | |
| 650 os=p7->d.sign->contents->d.data; | |
| 651 break; | |
| 652 | |
| 653 default: | |
| 654 os = NULL; | |
| 655 break; | |
| 656 } | |
| 657 | |
| 658 if (os == NULL) | |
| 659 return 0; | |
| 660 | |
| 661 os->flags |= ASN1_STRING_FLAG_NDEF; | |
| 662 *boundary = &os->data; | |
| 663 | |
| 664 return 1; | |
| 665 } | |
| OLD | NEW |
|---|
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