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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 /* | |
| 6 * PKCS7 encoding. | |
| 7 * | |
| 8 * $Id: p7encode.c,v 1.15 2012/04/25 14:50:06 gerv%gerv.net Exp $ | |
| 9 */ | |
| 10 | |
| 11 #include "p7local.h" | |
| 12 | |
| 13 #include "cert.h" | |
| 14 #include "cryptohi.h" | |
| 15 #include "keyhi.h" | |
| 16 #include "secasn1.h" | |
| 17 #include "secoid.h" | |
| 18 #include "secitem.h" | |
| 19 #include "pk11func.h" | |
| 20 #include "secerr.h" | |
| 21 #include "sechash.h" /* for HASH_GetHashObject() */ | |
| 22 | |
| 23 struct sec_pkcs7_encoder_output { | |
| 24 SEC_PKCS7EncoderOutputCallback outputfn; | |
| 25 void *outputarg; | |
| 26 }; | |
| 27 | |
| 28 struct SEC_PKCS7EncoderContextStr { | |
| 29 SEC_ASN1EncoderContext *ecx; | |
| 30 SEC_PKCS7ContentInfo *cinfo; | |
| 31 struct sec_pkcs7_encoder_output output; | |
| 32 sec_PKCS7CipherObject *encryptobj; | |
| 33 const SECHashObject *digestobj; | |
| 34 void *digestcx; | |
| 35 }; | |
| 36 | |
| 37 | |
| 38 /* | |
| 39 * The little output function that the ASN.1 encoder calls to hand | |
| 40 * us bytes which we in turn hand back to our caller (via the callback | |
| 41 * they gave us). | |
| 42 */ | |
| 43 static void | |
| 44 sec_pkcs7_encoder_out(void *arg, const char *buf, unsigned long len, | |
| 45 int depth, SEC_ASN1EncodingPart data_kind) | |
| 46 { | |
| 47 struct sec_pkcs7_encoder_output *output; | |
| 48 | |
| 49 output = (struct sec_pkcs7_encoder_output*)arg; | |
| 50 output->outputfn (output->outputarg, buf, len); | |
| 51 } | |
| 52 | |
| 53 static sec_PKCS7CipherObject * | |
| 54 sec_pkcs7_encoder_start_encrypt (SEC_PKCS7ContentInfo *cinfo, | |
| 55 PK11SymKey *orig_bulkkey) | |
| 56 { | |
| 57 SECOidTag kind; | |
| 58 sec_PKCS7CipherObject *encryptobj; | |
| 59 SEC_PKCS7RecipientInfo **recipientinfos, *ri; | |
| 60 SEC_PKCS7EncryptedContentInfo *enccinfo; | |
| 61 SECKEYPublicKey *publickey = NULL; | |
| 62 SECKEYPrivateKey *ourPrivKey = NULL; | |
| 63 PK11SymKey *bulkkey; | |
| 64 void *mark, *wincx; | |
| 65 int i; | |
| 66 PRArenaPool *arena = NULL; | |
| 67 | |
| 68 /* Get the context in case we need it below. */ | |
| 69 wincx = cinfo->pwfn_arg; | |
| 70 | |
| 71 kind = SEC_PKCS7ContentType (cinfo); | |
| 72 switch (kind) { | |
| 73 default: | |
| 74 case SEC_OID_PKCS7_DATA: | |
| 75 case SEC_OID_PKCS7_DIGESTED_DATA: | |
| 76 case SEC_OID_PKCS7_SIGNED_DATA: | |
| 77 recipientinfos = NULL; | |
| 78 enccinfo = NULL; | |
| 79 break; | |
| 80 case SEC_OID_PKCS7_ENCRYPTED_DATA: | |
| 81 { | |
| 82 SEC_PKCS7EncryptedData *encdp; | |
| 83 | |
| 84 /* To do EncryptedData we *must* be given a bulk key. */ | |
| 85 PORT_Assert (orig_bulkkey != NULL); | |
| 86 if (orig_bulkkey == NULL) { | |
| 87 /* XXX error? */ | |
| 88 return NULL; | |
| 89 } | |
| 90 | |
| 91 encdp = cinfo->content.encryptedData; | |
| 92 recipientinfos = NULL; | |
| 93 enccinfo = &(encdp->encContentInfo); | |
| 94 } | |
| 95 break; | |
| 96 case SEC_OID_PKCS7_ENVELOPED_DATA: | |
| 97 { | |
| 98 SEC_PKCS7EnvelopedData *envdp; | |
| 99 | |
| 100 envdp = cinfo->content.envelopedData; | |
| 101 recipientinfos = envdp->recipientInfos; | |
| 102 enccinfo = &(envdp->encContentInfo); | |
| 103 } | |
| 104 break; | |
| 105 case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA: | |
| 106 { | |
| 107 SEC_PKCS7SignedAndEnvelopedData *saedp; | |
| 108 | |
| 109 saedp = cinfo->content.signedAndEnvelopedData; | |
| 110 recipientinfos = saedp->recipientInfos; | |
| 111 enccinfo = &(saedp->encContentInfo); | |
| 112 } | |
| 113 break; | |
| 114 } | |
| 115 | |
| 116 if (enccinfo == NULL) | |
| 117 return NULL; | |
| 118 | |
| 119 bulkkey = orig_bulkkey; | |
| 120 if (bulkkey == NULL) { | |
| 121 CK_MECHANISM_TYPE type = PK11_AlgtagToMechanism(enccinfo->encalg); | |
| 122 PK11SlotInfo *slot; | |
| 123 | |
| 124 | |
| 125 slot = PK11_GetBestSlot(type,cinfo->pwfn_arg); | |
| 126 if (slot == NULL) { | |
| 127 return NULL; | |
| 128 } | |
| 129 bulkkey = PK11_KeyGen(slot,type,NULL, enccinfo->keysize/8, | |
| 130 cinfo->pwfn_arg); | |
| 131 PK11_FreeSlot(slot); | |
| 132 if (bulkkey == NULL) { | |
| 133 return NULL; | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 encryptobj = NULL; | |
| 138 mark = PORT_ArenaMark (cinfo->poolp); | |
| 139 | |
| 140 /* | |
| 141 * Encrypt the bulk key with the public key of each recipient. | |
| 142 */ | |
| 143 for (i = 0; recipientinfos && (ri = recipientinfos[i]) != NULL; i++) { | |
| 144 CERTCertificate *cert; | |
| 145 SECOidTag certalgtag, encalgtag; | |
| 146 SECStatus rv; | |
| 147 int data_len; | |
| 148 SECItem *params = NULL; | |
| 149 | |
| 150 cert = ri->cert; | |
| 151 PORT_Assert (cert != NULL); | |
| 152 if (cert == NULL) | |
| 153 continue; | |
| 154 | |
| 155 /* | |
| 156 * XXX Want an interface that takes a cert and some data and | |
| 157 * fills in an algorithmID and encrypts the data with the public | |
| 158 * key from the cert. Or, give me two interfaces -- one which | |
| 159 * gets the algorithm tag from a cert (I should not have to go | |
| 160 * down into the subjectPublicKeyInfo myself) and another which | |
| 161 * takes a public key and algorithm tag and data and encrypts | |
| 162 * the data. Or something like that. The point is that all | |
| 163 * of the following hardwired RSA stuff should be done elsewhere. | |
| 164 */ | |
| 165 | |
| 166 certalgtag=SECOID_GetAlgorithmTag(&(cert->subjectPublicKeyInfo.algorithm
)); | |
| 167 | |
| 168 switch (certalgtag) { | |
| 169 case SEC_OID_PKCS1_RSA_ENCRYPTION: | |
| 170 encalgtag = certalgtag; | |
| 171 publickey = CERT_ExtractPublicKey (cert); | |
| 172 if (publickey == NULL) goto loser; | |
| 173 | |
| 174 data_len = SECKEY_PublicKeyStrength(publickey); | |
| 175 ri->encKey.data = | |
| 176 (unsigned char*)PORT_ArenaAlloc(cinfo->poolp ,data_len); | |
| 177 ri->encKey.len = data_len; | |
| 178 if (ri->encKey.data == NULL) goto loser; | |
| 179 | |
| 180 rv = PK11_PubWrapSymKey(PK11_AlgtagToMechanism(certalgtag),publickey
, | |
| 181 bulkkey,&ri->encKey); | |
| 182 | |
| 183 SECKEY_DestroyPublicKey(publickey); | |
| 184 publickey = NULL; | |
| 185 if (rv != SECSuccess) goto loser; | |
| 186 params = NULL; /* paranoia */ | |
| 187 break; | |
| 188 default: | |
| 189 PORT_SetError (SEC_ERROR_INVALID_ALGORITHM); | |
| 190 goto loser; | |
| 191 } | |
| 192 | |
| 193 rv = SECOID_SetAlgorithmID(cinfo->poolp, &ri->keyEncAlg, encalgtag, | |
| 194 params); | |
| 195 if (rv != SECSuccess) | |
| 196 goto loser; | |
| 197 if (arena) PORT_FreeArena(arena,PR_FALSE); | |
| 198 arena = NULL; | |
| 199 } | |
| 200 | |
| 201 encryptobj = sec_PKCS7CreateEncryptObject (cinfo->poolp, bulkkey, | |
| 202 enccinfo->encalg, | |
| 203 &(enccinfo->contentEncAlg)); | |
| 204 if (encryptobj != NULL) { | |
| 205 PORT_ArenaUnmark (cinfo->poolp, mark); | |
| 206 mark = NULL; /* good one; do not want to release */ | |
| 207 } | |
| 208 /* fallthru */ | |
| 209 | |
| 210 loser: | |
| 211 if (arena) { | |
| 212 PORT_FreeArena(arena, PR_FALSE); | |
| 213 } | |
| 214 if (publickey) { | |
| 215 SECKEY_DestroyPublicKey(publickey); | |
| 216 } | |
| 217 if (ourPrivKey) { | |
| 218 SECKEY_DestroyPrivateKey(ourPrivKey); | |
| 219 } | |
| 220 if (mark != NULL) { | |
| 221 PORT_ArenaRelease (cinfo->poolp, mark); | |
| 222 } | |
| 223 if (orig_bulkkey == NULL) { | |
| 224 if (bulkkey) PK11_FreeSymKey(bulkkey); | |
| 225 } | |
| 226 | |
| 227 return encryptobj; | |
| 228 } | |
| 229 | |
| 230 | |
| 231 static void | |
| 232 sec_pkcs7_encoder_notify (void *arg, PRBool before, void *dest, int depth) | |
| 233 { | |
| 234 SEC_PKCS7EncoderContext *p7ecx; | |
| 235 SEC_PKCS7ContentInfo *cinfo; | |
| 236 SECOidTag kind; | |
| 237 PRBool before_content; | |
| 238 | |
| 239 /* | |
| 240 * We want to notice just before the content field. After fields are | |
| 241 * not interesting to us. | |
| 242 */ | |
| 243 if (!before) | |
| 244 return; | |
| 245 | |
| 246 p7ecx = (SEC_PKCS7EncoderContext*)arg; | |
| 247 cinfo = p7ecx->cinfo; | |
| 248 | |
| 249 before_content = PR_FALSE; | |
| 250 | |
| 251 /* | |
| 252 * Watch for the content field, at which point we want to instruct | |
| 253 * the ASN.1 encoder to start taking bytes from the buffer. | |
| 254 * | |
| 255 * XXX The following assumes the inner content type is data; | |
| 256 * if/when we want to handle fully nested types, this will have | |
| 257 * to recurse until reaching the innermost data content. | |
| 258 */ | |
| 259 kind = SEC_PKCS7ContentType (cinfo); | |
| 260 switch (kind) { | |
| 261 default: | |
| 262 case SEC_OID_PKCS7_DATA: | |
| 263 if (dest == &(cinfo->content.data)) | |
| 264 before_content = PR_TRUE; | |
| 265 break; | |
| 266 | |
| 267 case SEC_OID_PKCS7_DIGESTED_DATA: | |
| 268 { | |
| 269 SEC_PKCS7DigestedData *digd; | |
| 270 | |
| 271 digd = cinfo->content.digestedData; | |
| 272 if (digd == NULL) | |
| 273 break; | |
| 274 | |
| 275 if (dest == &(digd->contentInfo.content)) | |
| 276 before_content = PR_TRUE; | |
| 277 } | |
| 278 break; | |
| 279 | |
| 280 case SEC_OID_PKCS7_ENCRYPTED_DATA: | |
| 281 { | |
| 282 SEC_PKCS7EncryptedData *encd; | |
| 283 | |
| 284 encd = cinfo->content.encryptedData; | |
| 285 if (encd == NULL) | |
| 286 break; | |
| 287 | |
| 288 if (dest == &(encd->encContentInfo.encContent)) | |
| 289 before_content = PR_TRUE; | |
| 290 } | |
| 291 break; | |
| 292 | |
| 293 case SEC_OID_PKCS7_ENVELOPED_DATA: | |
| 294 { | |
| 295 SEC_PKCS7EnvelopedData *envd; | |
| 296 | |
| 297 envd = cinfo->content.envelopedData; | |
| 298 if (envd == NULL) | |
| 299 break; | |
| 300 | |
| 301 if (dest == &(envd->encContentInfo.encContent)) | |
| 302 before_content = PR_TRUE; | |
| 303 } | |
| 304 break; | |
| 305 | |
| 306 case SEC_OID_PKCS7_SIGNED_DATA: | |
| 307 { | |
| 308 SEC_PKCS7SignedData *sigd; | |
| 309 | |
| 310 sigd = cinfo->content.signedData; | |
| 311 if (sigd == NULL) | |
| 312 break; | |
| 313 | |
| 314 if (dest == &(sigd->contentInfo.content)) | |
| 315 before_content = PR_TRUE; | |
| 316 } | |
| 317 break; | |
| 318 | |
| 319 case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA: | |
| 320 { | |
| 321 SEC_PKCS7SignedAndEnvelopedData *saed; | |
| 322 | |
| 323 saed = cinfo->content.signedAndEnvelopedData; | |
| 324 if (saed == NULL) | |
| 325 break; | |
| 326 | |
| 327 if (dest == &(saed->encContentInfo.encContent)) | |
| 328 before_content = PR_TRUE; | |
| 329 } | |
| 330 break; | |
| 331 } | |
| 332 | |
| 333 if (before_content) { | |
| 334 /* | |
| 335 * This will cause the next SEC_ASN1EncoderUpdate to take the | |
| 336 * contents bytes from the passed-in buffer. | |
| 337 */ | |
| 338 SEC_ASN1EncoderSetTakeFromBuf (p7ecx->ecx); | |
| 339 /* | |
| 340 * And that is all we needed this notify function for. | |
| 341 */ | |
| 342 SEC_ASN1EncoderClearNotifyProc (p7ecx->ecx); | |
| 343 } | |
| 344 } | |
| 345 | |
| 346 | |
| 347 static SEC_PKCS7EncoderContext * | |
| 348 sec_pkcs7_encoder_start_contexts (SEC_PKCS7ContentInfo *cinfo, | |
| 349 PK11SymKey *bulkkey) | |
| 350 { | |
| 351 SEC_PKCS7EncoderContext *p7ecx; | |
| 352 SECOidTag kind; | |
| 353 PRBool encrypt; | |
| 354 SECItem **digests; | |
| 355 SECAlgorithmID *digestalg, **digestalgs; | |
| 356 | |
| 357 p7ecx = | |
| 358 (SEC_PKCS7EncoderContext*)PORT_ZAlloc (sizeof(SEC_PKCS7EncoderContext)); | |
| 359 if (p7ecx == NULL) | |
| 360 return NULL; | |
| 361 | |
| 362 digests = NULL; | |
| 363 digestalg = NULL; | |
| 364 digestalgs = NULL; | |
| 365 encrypt = PR_FALSE; | |
| 366 | |
| 367 kind = SEC_PKCS7ContentType (cinfo); | |
| 368 switch (kind) { | |
| 369 default: | |
| 370 case SEC_OID_PKCS7_DATA: | |
| 371 break; | |
| 372 case SEC_OID_PKCS7_DIGESTED_DATA: | |
| 373 digestalg = &(cinfo->content.digestedData->digestAlg); | |
| 374 break; | |
| 375 case SEC_OID_PKCS7_SIGNED_DATA: | |
| 376 digests = cinfo->content.signedData->digests; | |
| 377 digestalgs = cinfo->content.signedData->digestAlgorithms; | |
| 378 break; | |
| 379 case SEC_OID_PKCS7_ENCRYPTED_DATA: | |
| 380 case SEC_OID_PKCS7_ENVELOPED_DATA: | |
| 381 encrypt = PR_TRUE; | |
| 382 break; | |
| 383 case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA: | |
| 384 digests = cinfo->content.signedAndEnvelopedData->digests; | |
| 385 digestalgs = cinfo->content.signedAndEnvelopedData->digestAlgorithms; | |
| 386 encrypt = PR_TRUE; | |
| 387 break; | |
| 388 } | |
| 389 | |
| 390 if (encrypt) { | |
| 391 p7ecx->encryptobj = sec_pkcs7_encoder_start_encrypt (cinfo, bulkkey); | |
| 392 if (p7ecx->encryptobj == NULL) { | |
| 393 PORT_Free (p7ecx); | |
| 394 return NULL; | |
| 395 } | |
| 396 } | |
| 397 | |
| 398 if (digestalgs != NULL) { | |
| 399 if (digests != NULL) { | |
| 400 /* digests already created (probably for detached data) */ | |
| 401 digestalg = NULL; | |
| 402 } else { | |
| 403 /* | |
| 404 * XXX Some day we should handle multiple digests; for now, | |
| 405 * assume only one will be done. | |
| 406 */ | |
| 407 PORT_Assert (digestalgs[0] != NULL && digestalgs[1] == NULL); | |
| 408 digestalg = digestalgs[0]; | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 if (digestalg != NULL) { | |
| 413 SECOidTag oidTag = SECOID_FindOIDTag(&(digestalg->algorithm)); | |
| 414 | |
| 415 p7ecx->digestobj = HASH_GetHashObjectByOidTag(oidTag); | |
| 416 if (p7ecx->digestobj != NULL) { | |
| 417 p7ecx->digestcx = (* p7ecx->digestobj->create) (); | |
| 418 if (p7ecx->digestcx == NULL) | |
| 419 p7ecx->digestobj = NULL; | |
| 420 else | |
| 421 (* p7ecx->digestobj->begin) (p7ecx->digestcx); | |
| 422 } | |
| 423 if (p7ecx->digestobj == NULL) { | |
| 424 if (p7ecx->encryptobj != NULL) | |
| 425 sec_PKCS7DestroyEncryptObject (p7ecx->encryptobj); | |
| 426 PORT_Free (p7ecx); | |
| 427 return NULL; | |
| 428 } | |
| 429 } | |
| 430 | |
| 431 p7ecx->cinfo = cinfo; | |
| 432 return p7ecx; | |
| 433 } | |
| 434 | |
| 435 | |
| 436 SEC_PKCS7EncoderContext * | |
| 437 SEC_PKCS7EncoderStart (SEC_PKCS7ContentInfo *cinfo, | |
| 438 SEC_PKCS7EncoderOutputCallback outputfn, | |
| 439 void *outputarg, | |
| 440 PK11SymKey *bulkkey) | |
| 441 { | |
| 442 SEC_PKCS7EncoderContext *p7ecx; | |
| 443 SECStatus rv; | |
| 444 | |
| 445 p7ecx = sec_pkcs7_encoder_start_contexts (cinfo, bulkkey); | |
| 446 if (p7ecx == NULL) | |
| 447 return NULL; | |
| 448 | |
| 449 p7ecx->output.outputfn = outputfn; | |
| 450 p7ecx->output.outputarg = outputarg; | |
| 451 | |
| 452 /* | |
| 453 * Initialize the BER encoder. | |
| 454 */ | |
| 455 p7ecx->ecx = SEC_ASN1EncoderStart (cinfo, sec_PKCS7ContentInfoTemplate, | |
| 456 sec_pkcs7_encoder_out, &(p7ecx->output)); | |
| 457 if (p7ecx->ecx == NULL) { | |
| 458 PORT_Free (p7ecx); | |
| 459 return NULL; | |
| 460 } | |
| 461 | |
| 462 /* | |
| 463 * Indicate that we are streaming. We will be streaming until we | |
| 464 * get past the contents bytes. | |
| 465 */ | |
| 466 SEC_ASN1EncoderSetStreaming (p7ecx->ecx); | |
| 467 | |
| 468 /* | |
| 469 * The notify function will watch for the contents field. | |
| 470 */ | |
| 471 SEC_ASN1EncoderSetNotifyProc (p7ecx->ecx, sec_pkcs7_encoder_notify, p7ecx); | |
| 472 | |
| 473 /* | |
| 474 * This will encode everything up to the content bytes. (The notify | |
| 475 * function will then cause the encoding to stop there.) Then our | |
| 476 * caller can start passing contents bytes to our Update, which we | |
| 477 * will pass along. | |
| 478 */ | |
| 479 rv = SEC_ASN1EncoderUpdate (p7ecx->ecx, NULL, 0); | |
| 480 if (rv != SECSuccess) { | |
| 481 PORT_Free (p7ecx); | |
| 482 return NULL; | |
| 483 } | |
| 484 | |
| 485 return p7ecx; | |
| 486 } | |
| 487 | |
| 488 | |
| 489 /* | |
| 490 * XXX If/when we support nested contents, this needs to be revised. | |
| 491 */ | |
| 492 static SECStatus | |
| 493 sec_pkcs7_encoder_work_data (SEC_PKCS7EncoderContext *p7ecx, SECItem *dest, | |
| 494 const unsigned char *data, unsigned long len, | |
| 495 PRBool final) | |
| 496 { | |
| 497 unsigned char *buf = NULL; | |
| 498 SECStatus rv; | |
| 499 | |
| 500 | |
| 501 rv = SECSuccess; /* may as well be optimistic */ | |
| 502 | |
| 503 /* | |
| 504 * We should really have data to process, or we should be trying | |
| 505 * to finish/flush the last block. (This is an overly paranoid | |
| 506 * check since all callers are in this file and simple inspection | |
| 507 * proves they do it right. But it could find a bug in future | |
| 508 * modifications/development, that is why it is here.) | |
| 509 */ | |
| 510 PORT_Assert ((data != NULL && len) || final); | |
| 511 | |
| 512 /* | |
| 513 * Update the running digest. | |
| 514 * XXX This needs modification if/when we handle multiple digests. | |
| 515 */ | |
| 516 if (len && p7ecx->digestobj != NULL) { | |
| 517 (* p7ecx->digestobj->update) (p7ecx->digestcx, data, len); | |
| 518 } | |
| 519 | |
| 520 /* | |
| 521 * Encrypt this chunk. | |
| 522 */ | |
| 523 if (p7ecx->encryptobj != NULL) { | |
| 524 /* XXX the following lengths should all be longs? */ | |
| 525 unsigned int inlen; /* length of data being encrypted */ | |
| 526 unsigned int outlen; /* length of encrypted data */ | |
| 527 unsigned int buflen; /* length available for encrypted data */ | |
| 528 | |
| 529 inlen = len; | |
| 530 buflen = sec_PKCS7EncryptLength (p7ecx->encryptobj, inlen, final); | |
| 531 if (buflen == 0) { | |
| 532 /* | |
| 533 * No output is expected, but the input data may be buffered | |
| 534 * so we still have to call Encrypt. | |
| 535 */ | |
| 536 rv = sec_PKCS7Encrypt (p7ecx->encryptobj, NULL, NULL, 0, | |
| 537 data, inlen, final); | |
| 538 if (final) { | |
| 539 len = 0; | |
| 540 goto done; | |
| 541 } | |
| 542 return rv; | |
| 543 } | |
| 544 | |
| 545 if (dest != NULL) | |
| 546 buf = (unsigned char*)PORT_ArenaAlloc(p7ecx->cinfo->poolp, buflen); | |
| 547 else | |
| 548 buf = (unsigned char*)PORT_Alloc (buflen); | |
| 549 | |
| 550 if (buf == NULL) { | |
| 551 rv = SECFailure; | |
| 552 } else { | |
| 553 rv = sec_PKCS7Encrypt (p7ecx->encryptobj, buf, &outlen, buflen, | |
| 554 data, inlen, final); | |
| 555 data = buf; | |
| 556 len = outlen; | |
| 557 } | |
| 558 if (rv != SECSuccess) { | |
| 559 if (final) | |
| 560 goto done; | |
| 561 return rv; | |
| 562 } | |
| 563 } | |
| 564 | |
| 565 if (p7ecx->ecx != NULL) { | |
| 566 /* | |
| 567 * Encode the contents bytes. | |
| 568 */ | |
| 569 if(len) { | |
| 570 rv = SEC_ASN1EncoderUpdate (p7ecx->ecx, (const char *)data, len); | |
| 571 } | |
| 572 } | |
| 573 | |
| 574 done: | |
| 575 if (p7ecx->encryptobj != NULL) { | |
| 576 if (final) | |
| 577 sec_PKCS7DestroyEncryptObject (p7ecx->encryptobj); | |
| 578 if (dest != NULL) { | |
| 579 dest->data = buf; | |
| 580 dest->len = len; | |
| 581 } else if (buf != NULL) { | |
| 582 PORT_Free (buf); | |
| 583 } | |
| 584 } | |
| 585 | |
| 586 if (final && p7ecx->digestobj != NULL) { | |
| 587 SECItem *digest, **digests, ***digestsp; | |
| 588 unsigned char *digdata; | |
| 589 SECOidTag kind; | |
| 590 | |
| 591 kind = SEC_PKCS7ContentType (p7ecx->cinfo); | |
| 592 switch (kind) { | |
| 593 default: | |
| 594 PORT_Assert (0); | |
| 595 return SECFailure; | |
| 596 case SEC_OID_PKCS7_DIGESTED_DATA: | |
| 597 digest = &(p7ecx->cinfo->content.digestedData->digest); | |
| 598 digestsp = NULL; | |
| 599 break; | |
| 600 case SEC_OID_PKCS7_SIGNED_DATA: | |
| 601 digest = NULL; | |
| 602 digestsp = &(p7ecx->cinfo->content.signedData->digests); | |
| 603 break; | |
| 604 case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA: | |
| 605 digest = NULL; | |
| 606 digestsp = &(p7ecx->cinfo->content.signedAndEnvelopedData->digests); | |
| 607 break; | |
| 608 } | |
| 609 | |
| 610 digdata = (unsigned char*)PORT_ArenaAlloc (p7ecx->cinfo->poolp, | |
| 611 p7ecx->digestobj->length); | |
| 612 if (digdata == NULL) | |
| 613 return SECFailure; | |
| 614 | |
| 615 if (digestsp != NULL) { | |
| 616 PORT_Assert (digest == NULL); | |
| 617 | |
| 618 digest = (SECItem*)PORT_ArenaAlloc (p7ecx->cinfo->poolp, | |
| 619 sizeof(SECItem)); | |
| 620 digests = (SECItem**)PORT_ArenaAlloc (p7ecx->cinfo->poolp, | |
| 621 2 * sizeof(SECItem *)); | |
| 622 if (digests == NULL || digest == NULL) | |
| 623 return SECFailure; | |
| 624 | |
| 625 digests[0] = digest; | |
| 626 digests[1] = NULL; | |
| 627 | |
| 628 *digestsp = digests; | |
| 629 } | |
| 630 | |
| 631 PORT_Assert (digest != NULL); | |
| 632 | |
| 633 digest->data = digdata; | |
| 634 digest->len = p7ecx->digestobj->length; | |
| 635 | |
| 636 (* p7ecx->digestobj->end) (p7ecx->digestcx, digest->data, | |
| 637 &(digest->len), digest->len); | |
| 638 (* p7ecx->digestobj->destroy) (p7ecx->digestcx, PR_TRUE); | |
| 639 } | |
| 640 | |
| 641 return rv; | |
| 642 } | |
| 643 | |
| 644 | |
| 645 SECStatus | |
| 646 SEC_PKCS7EncoderUpdate (SEC_PKCS7EncoderContext *p7ecx, | |
| 647 const char *data, unsigned long len) | |
| 648 { | |
| 649 /* XXX Error handling needs help. Return what? Do "Finish" on failure? */ | |
| 650 return sec_pkcs7_encoder_work_data (p7ecx, NULL, | |
| 651 (const unsigned char *)data, len, | |
| 652 PR_FALSE); | |
| 653 } | |
| 654 | |
| 655 static SECStatus | |
| 656 sec_pkcs7_encoder_sig_and_certs (SEC_PKCS7ContentInfo *cinfo, | |
| 657 SECKEYGetPasswordKey pwfn, void *pwfnarg) | |
| 658 { | |
| 659 SECOidTag kind; | |
| 660 CERTCertificate **certs; | |
| 661 CERTCertificateList **certlists; | |
| 662 SECAlgorithmID **digestalgs; | |
| 663 SECItem **digests; | |
| 664 SEC_PKCS7SignerInfo *signerinfo, **signerinfos; | |
| 665 SECItem **rawcerts, ***rawcertsp; | |
| 666 PRArenaPool *poolp; | |
| 667 int certcount; | |
| 668 int ci, cli, rci, si; | |
| 669 | |
| 670 kind = SEC_PKCS7ContentType (cinfo); | |
| 671 switch (kind) { | |
| 672 default: | |
| 673 case SEC_OID_PKCS7_DATA: | |
| 674 case SEC_OID_PKCS7_DIGESTED_DATA: | |
| 675 case SEC_OID_PKCS7_ENCRYPTED_DATA: | |
| 676 case SEC_OID_PKCS7_ENVELOPED_DATA: | |
| 677 certs = NULL; | |
| 678 certlists = NULL; | |
| 679 digestalgs = NULL; | |
| 680 digests = NULL; | |
| 681 signerinfos = NULL; | |
| 682 rawcertsp = NULL; | |
| 683 break; | |
| 684 case SEC_OID_PKCS7_SIGNED_DATA: | |
| 685 { | |
| 686 SEC_PKCS7SignedData *sdp; | |
| 687 | |
| 688 sdp = cinfo->content.signedData; | |
| 689 certs = sdp->certs; | |
| 690 certlists = sdp->certLists; | |
| 691 digestalgs = sdp->digestAlgorithms; | |
| 692 digests = sdp->digests; | |
| 693 signerinfos = sdp->signerInfos; | |
| 694 rawcertsp = &(sdp->rawCerts); | |
| 695 } | |
| 696 break; | |
| 697 case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA: | |
| 698 { | |
| 699 SEC_PKCS7SignedAndEnvelopedData *saedp; | |
| 700 | |
| 701 saedp = cinfo->content.signedAndEnvelopedData; | |
| 702 certs = saedp->certs; | |
| 703 certlists = saedp->certLists; | |
| 704 digestalgs = saedp->digestAlgorithms; | |
| 705 digests = saedp->digests; | |
| 706 signerinfos = saedp->signerInfos; | |
| 707 rawcertsp = &(saedp->rawCerts); | |
| 708 } | |
| 709 break; | |
| 710 } | |
| 711 | |
| 712 if (certs == NULL && certlists == NULL && signerinfos == NULL) | |
| 713 return SECSuccess; /* nothing for us to do! */ | |
| 714 | |
| 715 poolp = cinfo->poolp; | |
| 716 certcount = 0; | |
| 717 | |
| 718 if (signerinfos != NULL) { | |
| 719 SECOidTag digestalgtag; | |
| 720 int di; | |
| 721 SECStatus rv; | |
| 722 CERTCertificate *cert; | |
| 723 SECKEYPrivateKey *privkey; | |
| 724 SECItem signature; | |
| 725 SECOidTag signalgtag; | |
| 726 | |
| 727 PORT_Assert (digestalgs != NULL && digests != NULL); | |
| 728 | |
| 729 /* | |
| 730 * If one fails, we bail right then. If we want to continue and | |
| 731 * try to do subsequent signatures, this loop, and the departures | |
| 732 * from it, will need to be reworked. | |
| 733 */ | |
| 734 for (si = 0; signerinfos[si] != NULL; si++) { | |
| 735 | |
| 736 signerinfo = signerinfos[si]; | |
| 737 | |
| 738 /* find right digest */ | |
| 739 digestalgtag = SECOID_GetAlgorithmTag (&(signerinfo->digestAlg)); | |
| 740 for (di = 0; digestalgs[di] != NULL; di++) { | |
| 741 /* XXX Should I be comparing more than the tag? */ | |
| 742 if (digestalgtag == SECOID_GetAlgorithmTag (digestalgs[di])) | |
| 743 break; | |
| 744 } | |
| 745 if (digestalgs[di] == NULL) { | |
| 746 /* XXX oops; do what? set an error? */ | |
| 747 return SECFailure; | |
| 748 } | |
| 749 PORT_Assert (digests[di] != NULL); | |
| 750 | |
| 751 cert = signerinfo->cert; | |
| 752 privkey = PK11_FindKeyByAnyCert (cert, pwfnarg); | |
| 753 if (privkey == NULL) | |
| 754 return SECFailure; | |
| 755 | |
| 756 /* | |
| 757 * XXX I think there should be a cert-level interface for this, | |
| 758 * so that I do not have to know about subjectPublicKeyInfo... | |
| 759 */ | |
| 760 signalgtag = SECOID_GetAlgorithmTag (&(cert->subjectPublicKeyInfo.al
gorithm)); | |
| 761 | |
| 762 if (signerinfo->authAttr != NULL) { | |
| 763 SEC_PKCS7Attribute *attr; | |
| 764 SECItem encoded_attrs; | |
| 765 SECItem *dummy; | |
| 766 SECOidTag algid; | |
| 767 | |
| 768 /* | |
| 769 * First, find and fill in the message digest attribute. | |
| 770 */ | |
| 771 attr = sec_PKCS7FindAttribute (signerinfo->authAttr, | |
| 772 SEC_OID_PKCS9_MESSAGE_DIGEST, | |
| 773 PR_TRUE); | |
| 774 PORT_Assert (attr != NULL); | |
| 775 if (attr == NULL) { | |
| 776 SECKEY_DestroyPrivateKey (privkey); | |
| 777 return SECFailure; | |
| 778 } | |
| 779 | |
| 780 /* | |
| 781 * XXX The second half of the following assertion prevents | |
| 782 * the encoder from being called twice on the same content. | |
| 783 * Either just remove the second half the assertion, or | |
| 784 * change the code to check if the value already there is | |
| 785 * the same as digests[di], whichever seems more right. | |
| 786 */ | |
| 787 PORT_Assert (attr->values != NULL && attr->values[0] == NULL); | |
| 788 attr->values[0] = digests[di]; | |
| 789 | |
| 790 /* | |
| 791 * Before encoding, reorder the attributes so that when they | |
| 792 * are encoded, they will be conforming DER, which is required | |
| 793 * to have a specific order and that is what must be used for | |
| 794 * the hash/signature. We do this here, rather than building | |
| 795 * it into EncodeAttributes, because we do not want to do | |
| 796 * such reordering on incoming messages (which also uses | |
| 797 * EncodeAttributes) or our old signatures (and other "broken" | |
| 798 * implementations) will not verify. So, we want to guarantee | |
| 799 * that we send out good DER encodings of attributes, but not | |
| 800 * to expect to receive them. | |
| 801 */ | |
| 802 rv = sec_PKCS7ReorderAttributes (signerinfo->authAttr); | |
| 803 if (rv != SECSuccess) { | |
| 804 SECKEY_DestroyPrivateKey (privkey); | |
| 805 return SECFailure; | |
| 806 } | |
| 807 | |
| 808 encoded_attrs.data = NULL; | |
| 809 encoded_attrs.len = 0; | |
| 810 dummy = sec_PKCS7EncodeAttributes (NULL, &encoded_attrs, | |
| 811 &(signerinfo->authAttr)); | |
| 812 if (dummy == NULL) { | |
| 813 SECKEY_DestroyPrivateKey (privkey); | |
| 814 return SECFailure; | |
| 815 } | |
| 816 | |
| 817 algid = SEC_GetSignatureAlgorithmOidTag(privkey->keyType, | |
| 818 digestalgtag); | |
| 819 if (algid == SEC_OID_UNKNOWN) { | |
| 820 PORT_SetError(SEC_ERROR_INVALID_ALGORITHM); | |
| 821 SECKEY_DestroyPrivateKey (privkey); | |
| 822 return SECFailure; | |
| 823 } | |
| 824 rv = SEC_SignData (&signature, | |
| 825 encoded_attrs.data, encoded_attrs.len, | |
| 826 privkey, | |
| 827 algid); | |
| 828 SECITEM_FreeItem (&encoded_attrs, PR_FALSE); | |
| 829 } else { | |
| 830 rv = SGN_Digest (privkey, digestalgtag, &signature, | |
| 831 digests[di]); | |
| 832 } | |
| 833 | |
| 834 SECKEY_DestroyPrivateKey (privkey); | |
| 835 | |
| 836 if (rv != SECSuccess) | |
| 837 return rv; | |
| 838 | |
| 839 rv = SECITEM_CopyItem (poolp, &(signerinfo->encDigest), &signature); | |
| 840 if (rv != SECSuccess) | |
| 841 return rv; | |
| 842 | |
| 843 SECITEM_FreeItem (&signature, PR_FALSE); | |
| 844 | |
| 845 rv = SECOID_SetAlgorithmID (poolp, &(signerinfo->digestEncAlg), | |
| 846 signalgtag, NULL); | |
| 847 if (rv != SECSuccess) | |
| 848 return SECFailure; | |
| 849 | |
| 850 /* | |
| 851 * Count the cert chain for this signer. | |
| 852 */ | |
| 853 if (signerinfo->certList != NULL) | |
| 854 certcount += signerinfo->certList->len; | |
| 855 } | |
| 856 } | |
| 857 | |
| 858 if (certs != NULL) { | |
| 859 for (ci = 0; certs[ci] != NULL; ci++) | |
| 860 certcount++; | |
| 861 } | |
| 862 | |
| 863 if (certlists != NULL) { | |
| 864 for (cli = 0; certlists[cli] != NULL; cli++) | |
| 865 certcount += certlists[cli]->len; | |
| 866 } | |
| 867 | |
| 868 if (certcount == 0) | |
| 869 return SECSuccess; /* signing done; no certs */ | |
| 870 | |
| 871 /* | |
| 872 * Combine all of the certs and cert chains into rawcerts. | |
| 873 * Note: certcount is an upper bound; we may not need that many slots | |
| 874 * but we will allocate anyway to avoid having to do another pass. | |
| 875 * (The temporary space saving is not worth it.) | |
| 876 */ | |
| 877 rawcerts = (SECItem**)PORT_ArenaAlloc (poolp, | |
| 878 (certcount + 1) * sizeof(SECItem *)); | |
| 879 if (rawcerts == NULL) | |
| 880 return SECFailure; | |
| 881 | |
| 882 /* | |
| 883 * XXX Want to check for duplicates and not add *any* cert that is | |
| 884 * already in the set. This will be more important when we start | |
| 885 * dealing with larger sets of certs, dual-key certs (signing and | |
| 886 * encryption), etc. For the time being we can slide by... | |
| 887 */ | |
| 888 rci = 0; | |
| 889 if (signerinfos != NULL) { | |
| 890 for (si = 0; signerinfos[si] != NULL; si++) { | |
| 891 signerinfo = signerinfos[si]; | |
| 892 for (ci = 0; ci < signerinfo->certList->len; ci++) | |
| 893 rawcerts[rci++] = &(signerinfo->certList->certs[ci]); | |
| 894 } | |
| 895 | |
| 896 } | |
| 897 | |
| 898 if (certs != NULL) { | |
| 899 for (ci = 0; certs[ci] != NULL; ci++) | |
| 900 rawcerts[rci++] = &(certs[ci]->derCert); | |
| 901 } | |
| 902 | |
| 903 if (certlists != NULL) { | |
| 904 for (cli = 0; certlists[cli] != NULL; cli++) { | |
| 905 for (ci = 0; ci < certlists[cli]->len; ci++) | |
| 906 rawcerts[rci++] = &(certlists[cli]->certs[ci]); | |
| 907 } | |
| 908 } | |
| 909 | |
| 910 rawcerts[rci] = NULL; | |
| 911 *rawcertsp = rawcerts; | |
| 912 | |
| 913 return SECSuccess; | |
| 914 } | |
| 915 | |
| 916 | |
| 917 SECStatus | |
| 918 SEC_PKCS7EncoderFinish (SEC_PKCS7EncoderContext *p7ecx, | |
| 919 SECKEYGetPasswordKey pwfn, void *pwfnarg) | |
| 920 { | |
| 921 SECStatus rv; | |
| 922 | |
| 923 /* | |
| 924 * Flush out any remaining data. | |
| 925 */ | |
| 926 rv = sec_pkcs7_encoder_work_data (p7ecx, NULL, NULL, 0, PR_TRUE); | |
| 927 | |
| 928 /* | |
| 929 * Turn off streaming stuff. | |
| 930 */ | |
| 931 SEC_ASN1EncoderClearTakeFromBuf (p7ecx->ecx); | |
| 932 SEC_ASN1EncoderClearStreaming (p7ecx->ecx); | |
| 933 | |
| 934 if (rv != SECSuccess) | |
| 935 goto loser; | |
| 936 | |
| 937 rv = sec_pkcs7_encoder_sig_and_certs (p7ecx->cinfo, pwfn, pwfnarg); | |
| 938 if (rv != SECSuccess) | |
| 939 goto loser; | |
| 940 | |
| 941 rv = SEC_ASN1EncoderUpdate (p7ecx->ecx, NULL, 0); | |
| 942 | |
| 943 loser: | |
| 944 SEC_ASN1EncoderFinish (p7ecx->ecx); | |
| 945 PORT_Free (p7ecx); | |
| 946 return rv; | |
| 947 } | |
| 948 | |
| 949 /* | |
| 950 * Abort the ASN.1 stream. Used by pkcs 12 | |
| 951 */ | |
| 952 void | |
| 953 SEC_PKCS7EncoderAbort(SEC_PKCS7EncoderContext *p7ecx, int error) | |
| 954 { | |
| 955 PORT_Assert(p7ecx); | |
| 956 SEC_ASN1EncoderAbort(p7ecx->ecx, error); | |
| 957 } | |
| 958 | |
| 959 /* | |
| 960 * After this routine is called, the entire PKCS7 contentInfo is ready | |
| 961 * to be encoded. This is used internally, but can also be called from | |
| 962 * elsewhere for those who want to be able to just have pointers to | |
| 963 * the ASN1 template for pkcs7 contentInfo built into their own encodings. | |
| 964 */ | |
| 965 SECStatus | |
| 966 SEC_PKCS7PrepareForEncode (SEC_PKCS7ContentInfo *cinfo, | |
| 967 PK11SymKey *bulkkey, | |
| 968 SECKEYGetPasswordKey pwfn, | |
| 969 void *pwfnarg) | |
| 970 { | |
| 971 SEC_PKCS7EncoderContext *p7ecx; | |
| 972 SECItem *content, *enc_content; | |
| 973 SECStatus rv; | |
| 974 | |
| 975 p7ecx = sec_pkcs7_encoder_start_contexts (cinfo, bulkkey); | |
| 976 if (p7ecx == NULL) | |
| 977 return SECFailure; | |
| 978 | |
| 979 content = SEC_PKCS7GetContent (cinfo); | |
| 980 | |
| 981 if (p7ecx->encryptobj != NULL) { | |
| 982 SECOidTag kind; | |
| 983 SEC_PKCS7EncryptedContentInfo *enccinfo; | |
| 984 | |
| 985 kind = SEC_PKCS7ContentType (p7ecx->cinfo); | |
| 986 switch (kind) { | |
| 987 default: | |
| 988 PORT_Assert (0); | |
| 989 rv = SECFailure; | |
| 990 goto loser; | |
| 991 case SEC_OID_PKCS7_ENCRYPTED_DATA: | |
| 992 enccinfo = &(p7ecx->cinfo->content.encryptedData->encContentInfo); | |
| 993 break; | |
| 994 case SEC_OID_PKCS7_ENVELOPED_DATA: | |
| 995 enccinfo = &(p7ecx->cinfo->content.envelopedData->encContentInfo); | |
| 996 break; | |
| 997 case SEC_OID_PKCS7_SIGNED_ENVELOPED_DATA: | |
| 998 enccinfo = &(p7ecx->cinfo->content.signedAndEnvelopedData->encConten
tInfo); | |
| 999 break; | |
| 1000 } | |
| 1001 enc_content = &(enccinfo->encContent); | |
| 1002 } else { | |
| 1003 enc_content = NULL; | |
| 1004 } | |
| 1005 | |
| 1006 if (content != NULL && content->data != NULL && content->len) { | |
| 1007 rv = sec_pkcs7_encoder_work_data (p7ecx, enc_content, | |
| 1008 content->data, content->len, PR_TRUE); | |
| 1009 if (rv != SECSuccess) | |
| 1010 goto loser; | |
| 1011 } | |
| 1012 | |
| 1013 rv = sec_pkcs7_encoder_sig_and_certs (cinfo, pwfn, pwfnarg); | |
| 1014 | |
| 1015 loser: | |
| 1016 PORT_Free (p7ecx); | |
| 1017 return rv; | |
| 1018 } | |
| 1019 | |
| 1020 | |
| 1021 /* | |
| 1022 * Encode a PKCS7 object, in one shot. All necessary components | |
| 1023 * of the object must already be specified. Either the data has | |
| 1024 * already been included (via SetContent), or the data is detached, | |
| 1025 * or there is no data at all (certs-only). | |
| 1026 * | |
| 1027 * "cinfo" specifies the object to be encoded. | |
| 1028 * | |
| 1029 * "outputfn" is where the encoded bytes will be passed. | |
| 1030 * | |
| 1031 * "outputarg" is an opaque argument to the above callback. | |
| 1032 * | |
| 1033 * "bulkkey" specifies the bulk encryption key to use. This argument | |
| 1034 * can be NULL if no encryption is being done, or if the bulk key should | |
| 1035 * be generated internally (usually the case for EnvelopedData but never | |
| 1036 * for EncryptedData, which *must* provide a bulk encryption key). | |
| 1037 * | |
| 1038 * "pwfn" is a callback for getting the password which protects the | |
| 1039 * private key of the signer. This argument can be NULL if it is known | |
| 1040 * that no signing is going to be done. | |
| 1041 * | |
| 1042 * "pwfnarg" is an opaque argument to the above callback. | |
| 1043 */ | |
| 1044 SECStatus | |
| 1045 SEC_PKCS7Encode (SEC_PKCS7ContentInfo *cinfo, | |
| 1046 SEC_PKCS7EncoderOutputCallback outputfn, | |
| 1047 void *outputarg, | |
| 1048 PK11SymKey *bulkkey, | |
| 1049 SECKEYGetPasswordKey pwfn, | |
| 1050 void *pwfnarg) | |
| 1051 { | |
| 1052 SECStatus rv; | |
| 1053 | |
| 1054 rv = SEC_PKCS7PrepareForEncode (cinfo, bulkkey, pwfn, pwfnarg); | |
| 1055 if (rv == SECSuccess) { | |
| 1056 struct sec_pkcs7_encoder_output outputcx; | |
| 1057 | |
| 1058 outputcx.outputfn = outputfn; | |
| 1059 outputcx.outputarg = outputarg; | |
| 1060 | |
| 1061 rv = SEC_ASN1Encode (cinfo, sec_PKCS7ContentInfoTemplate, | |
| 1062 sec_pkcs7_encoder_out, &outputcx); | |
| 1063 } | |
| 1064 | |
| 1065 return rv; | |
| 1066 } | |
| 1067 | |
| 1068 | |
| 1069 /* | |
| 1070 * Encode a PKCS7 object, in one shot. All necessary components | |
| 1071 * of the object must already be specified. Either the data has | |
| 1072 * already been included (via SetContent), or the data is detached, | |
| 1073 * or there is no data at all (certs-only). The output, rather than | |
| 1074 * being passed to an output function as is done above, is all put | |
| 1075 * into a SECItem. | |
| 1076 * | |
| 1077 * "pool" specifies a pool from which to allocate the result. | |
| 1078 * It can be NULL, in which case memory is allocated generically. | |
| 1079 * | |
| 1080 * "dest" specifies a SECItem in which to put the result data. | |
| 1081 * It can be NULL, in which case the entire item is allocated, too. | |
| 1082 * | |
| 1083 * "cinfo" specifies the object to be encoded. | |
| 1084 * | |
| 1085 * "bulkkey" specifies the bulk encryption key to use. This argument | |
| 1086 * can be NULL if no encryption is being done, or if the bulk key should | |
| 1087 * be generated internally (usually the case for EnvelopedData but never | |
| 1088 * for EncryptedData, which *must* provide a bulk encryption key). | |
| 1089 * | |
| 1090 * "pwfn" is a callback for getting the password which protects the | |
| 1091 * private key of the signer. This argument can be NULL if it is known | |
| 1092 * that no signing is going to be done. | |
| 1093 * | |
| 1094 * "pwfnarg" is an opaque argument to the above callback. | |
| 1095 */ | |
| 1096 SECItem * | |
| 1097 SEC_PKCS7EncodeItem (PRArenaPool *pool, | |
| 1098 SECItem *dest, | |
| 1099 SEC_PKCS7ContentInfo *cinfo, | |
| 1100 PK11SymKey *bulkkey, | |
| 1101 SECKEYGetPasswordKey pwfn, | |
| 1102 void *pwfnarg) | |
| 1103 { | |
| 1104 SECStatus rv; | |
| 1105 | |
| 1106 rv = SEC_PKCS7PrepareForEncode (cinfo, bulkkey, pwfn, pwfnarg); | |
| 1107 if (rv != SECSuccess) | |
| 1108 return NULL; | |
| 1109 | |
| 1110 return SEC_ASN1EncodeItem (pool, dest, cinfo, sec_PKCS7ContentInfoTemplate); | |
| 1111 } | |
| 1112 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 14249009:
Change the NSS and NSPR source tree to the new directory structure to be (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/nss/