OSX/libsecurity_smime/lib/cmsasn1.c

   1 /*
   2  * The contents of this file are subject to the Mozilla Public
   3  * License Version 1.1 (the "License"); you may not use this file
   4  * except in compliance with the License. You may obtain a copy of
   5  * the License at http://www.mozilla.org/MPL/
   6  *
   7  * Software distributed under the License is distributed on an "AS
   8  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
   9  * implied. See the License for the specific language governing
  10  * rights and limitations under the License.
  11  *
  12  * The Original Code is the Netscape security libraries.
  13  *
  14  * The Initial Developer of the Original Code is Netscape
  15  * Communications Corporation.  Portions created by Netscape are
  16  * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
  17  * Rights Reserved.
  18  *
  19  * Contributor(s):
  20  *
  21  * Alternatively, the contents of this file may be used under the
  22  * terms of the GNU General Public License Version 2 or later (the
  23  * "GPL"), in which case the provisions of the GPL are applicable
  24  * instead of those above.  If you wish to allow use of your
  25  * version of this file only under the terms of the GPL and not to
  26  * allow others to use your version of this file under the MPL,
  27  * indicate your decision by deleting the provisions above and
  28  * replace them with the notice and other provisions required by
  29  * the GPL.  If you do not delete the provisions above, a recipient
  30  * may use your version of this file under either the MPL or the
  31  * GPL.
  32  */
  33
  34 /*
  35  * CMS ASN.1 templates
  36  */
  37
  38 #include <Security/SecCmsContentInfo.h>
  39
  40 #include "cmslocal.h"
  41
  42 #include "secoid.h"
  43 #include <security_asn1/secasn1.h>
  44 #include <security_asn1/secerr.h>
  45
  46
  47 extern const SecAsn1Template nss_cms_set_of_attribute_template[];
  48
  49 //SEC_ASN1_MKSUB(CERT_IssuerAndSNTemplate)
  50 //SEC_ASN1_MKSUB(CERT_SetOfSignedCrlTemplate)
  51 SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
  52 SEC_ASN1_MKSUB(kSecAsn1BitStringTemplate)
  53 SEC_ASN1_MKSUB(kSecAsn1OctetStringTemplate)
  54 SEC_ASN1_MKSUB(kSecAsn1PointerToOctetStringTemplate)
  55 SEC_ASN1_MKSUB(kSecAsn1SetOfAnyTemplate)
  56
  57 /* -----------------------------------------------------------------------------
  58  * MESSAGE
  59  * (uses SecCmsContentInfo)
  60  */
  61
  62 /* forward declaration */
  63 static const SecAsn1Template *
  64 nss_cms_choose_content_template(void *src_or_dest, Boolean encoding, const char *buf, size_t len, void *dest);
  65
  66 static const SecAsn1TemplateChooserPtr nss_cms_chooser
  67         = nss_cms_choose_content_template;
  68
  69 const SecAsn1Template SecCmsMessageTemplate[] = {
  70     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
  71           0, NULL, sizeof(SecCmsMessage) },
  72     { SEC_ASN1_OBJECT_ID,
  73           offsetof(SecCmsMessage,contentInfo.contentType) },
  74     { SEC_ASN1_OPTIONAL | SEC_ASN1_DYNAMIC | SEC_ASN1_MAY_STREAM
  75      | SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
  76           offsetof(SecCmsMessage,contentInfo.content),
  77           &nss_cms_chooser },
  78     { 0 }
  79 };
  80
  81 #if 0
  82 static const SecAsn1Template NSS_PointerToCMSMessageTemplate[] = {
  83     { SEC_ASN1_POINTER, 0, SecCmsMessageTemplate }
  84 };
  85 #endif
  86
  87 /* -----------------------------------------------------------------------------
  88  * ENCAPSULATED & ENCRYPTED CONTENTINFO
  89  * (both use a SecCmsContentInfo)
  90  */
  91 static const SecAsn1Template SecCmsEncapsulatedContentInfoTemplate[] = {
  92     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
  93           0, NULL, sizeof(SecCmsContentInfo) },
  94     { SEC_ASN1_OBJECT_ID,
  95           offsetof(SecCmsContentInfo,contentType) },
  96     { SEC_ASN1_OPTIONAL | SEC_ASN1_EXPLICIT | SEC_ASN1_MAY_STREAM |
  97         SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0,
  98           offsetof(SecCmsContentInfo,rawContent),
  99           SEC_ASN1_SUB(kSecAsn1PointerToOctetStringTemplate) },
 100     { 0 }
 101 };
 102
 103 static const SecAsn1Template SecCmsEncryptedContentInfoTemplate[] = {
 104     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
 105           0, NULL, sizeof(SecCmsContentInfo) },
 106     { SEC_ASN1_OBJECT_ID,
 107           offsetof(SecCmsContentInfo,contentType) },
 108     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 109           offsetof(SecCmsContentInfo,contentEncAlg),
 110           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 111     { SEC_ASN1_OPTIONAL | SEC_ASN1_POINTER | SEC_ASN1_MAY_STREAM |
 112       SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0,
 113           offsetof(SecCmsContentInfo,rawContent),
 114           SEC_ASN1_SUB(kSecAsn1OctetStringTemplate) },
 115     { 0 }
 116 };
 117
 118 /* -----------------------------------------------------------------------------
 119  * SIGNED DATA
 120  */
 121
 122 const SecAsn1Template SecCmsSignerInfoTemplate[];
 123
 124
 125 const SecAsn1Template SecCmsSignedDataTemplate[] = {
 126     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
 127           0, NULL, sizeof(SecCmsSignedData) },
 128     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 129           offsetof(SecCmsSignedData,version) },
 130     { SEC_ASN1_SET_OF | SEC_ASN1_XTRN,
 131           offsetof(SecCmsSignedData,digestAlgorithms),
 132           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 133     { SEC_ASN1_INLINE,
 134           offsetof(SecCmsSignedData,contentInfo),
 135           SecCmsEncapsulatedContentInfoTemplate },
 136     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 137       SEC_ASN1_XTRN | 0,
 138           offsetof(SecCmsSignedData,rawCerts),
 139           SEC_ASN1_SUB(kSecAsn1SetOfAnyTemplate) },
 140     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 141       SEC_ASN1_XTRN | 1,
 142           offsetof(SecCmsSignedData,rawCrls),
 143           SEC_ASN1_SUB(kSecAsn1SetOfAnyTemplate) },
 144     { SEC_ASN1_SET_OF,
 145           offsetof(SecCmsSignedData,signerInfos),
 146           SecCmsSignerInfoTemplate },
 147     { 0 }
 148 };
 149
 150 const SecAsn1Template NSS_PointerToCMSSignedDataTemplate[] = {
 151     { SEC_ASN1_POINTER, 0, SecCmsSignedDataTemplate }
 152 };
 153
 154 /* -----------------------------------------------------------------------------
 155  * signeridentifier
 156  */
 157
 158 static const SecAsn1Template SecCmsSignerIdentifierTemplate[] = {
 159     { SEC_ASN1_CHOICE,
 160           offsetof(SecCmsSignerIdentifier,identifierType), NULL,
 161           sizeof(SecCmsSignerIdentifier) },
 162     { SEC_ASN1_POINTER | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0,
 163           offsetof(SecCmsSignerIdentifier,id.subjectKeyID),
 164           SEC_ASN1_SUB(kSecAsn1OctetStringTemplate) ,
 165           SecCmsRecipientIDSubjectKeyID },
 166     { SEC_ASN1_POINTER | SEC_ASN1_XTRN,
 167           offsetof(SecCmsSignerIdentifier,id.issuerAndSN),
 168           SEC_ASN1_SUB(SecCmsIssuerAndSNTemplate),
 169           SecCmsRecipientIDIssuerSN },
 170     { 0 }
 171 };
 172
 173 /* -----------------------------------------------------------------------------
 174  * signerinfo
 175  */
 176
 177 const SecAsn1Template SecCmsSignerInfoTemplate[] = {
 178     { SEC_ASN1_SEQUENCE,
 179           0, NULL, sizeof(SecCmsSignerInfo) },
 180     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 181           offsetof(SecCmsSignerInfo,version) },
 182     { SEC_ASN1_INLINE,
 183           offsetof(SecCmsSignerInfo,signerIdentifier),
 184           SecCmsSignerIdentifierTemplate },
 185     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 186           offsetof(SecCmsSignerInfo,digestAlg),
 187           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 188     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
 189           offsetof(SecCmsSignerInfo,authAttr),
 190           nss_cms_set_of_attribute_template },
 191     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 192           offsetof(SecCmsSignerInfo,digestEncAlg),
 193           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 194     { SEC_ASN1_OCTET_STRING,
 195           offsetof(SecCmsSignerInfo,encDigest) },
 196     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
 197           offsetof(SecCmsSignerInfo,unAuthAttr),
 198           nss_cms_set_of_attribute_template },
 199     { 0 }
 200 };
 201
 202 /* -----------------------------------------------------------------------------
 203  * ENVELOPED DATA
 204  */
 205
 206 static const SecAsn1Template SecCmsOriginatorInfoTemplate[] = {
 207     { SEC_ASN1_SEQUENCE,
 208           0, NULL, sizeof(SecCmsOriginatorInfo) },
 209     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 210       SEC_ASN1_XTRN | 0,
 211           offsetof(SecCmsOriginatorInfo,rawCerts),
 212           SEC_ASN1_SUB(kSecAsn1SetOfAnyTemplate) },
 213     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 214       SEC_ASN1_XTRN | 1,
 215           offsetof(SecCmsOriginatorInfo,rawCrls),
 216           SEC_ASN1_SUB(kSecAsn1SetOfAnyTemplate) },
 217     { 0 }
 218 };
 219
 220 const SecAsn1Template SecCmsRecipientInfoTemplate[];
 221
 222 const SecAsn1Template SecCmsEnvelopedDataTemplate[] = {
 223     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
 224           0, NULL, sizeof(SecCmsEnvelopedData) },
 225     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 226           offsetof(SecCmsEnvelopedData,version) },
 227     { SEC_ASN1_OPTIONAL | SEC_ASN1_POINTER | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
 228           offsetof(SecCmsEnvelopedData,originatorInfo),
 229           SecCmsOriginatorInfoTemplate },
 230     { SEC_ASN1_SET_OF,
 231           offsetof(SecCmsEnvelopedData,recipientInfos),
 232           SecCmsRecipientInfoTemplate },
 233     { SEC_ASN1_INLINE,
 234           offsetof(SecCmsEnvelopedData,contentInfo),
 235           SecCmsEncryptedContentInfoTemplate },
 236     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
 237           offsetof(SecCmsEnvelopedData,unprotectedAttr),
 238           nss_cms_set_of_attribute_template },
 239     { 0 }
 240 };
 241
 242 const SecAsn1Template NSS_PointerToCMSEnvelopedDataTemplate[] = {
 243     { SEC_ASN1_POINTER, 0, SecCmsEnvelopedDataTemplate }
 244 };
 245
 246 /* here come the 15 gazillion templates for all the v3 varieties of RecipientInfo */
 247
 248 /* -----------------------------------------------------------------------------
 249  * key transport recipient info
 250  */
 251
 252 static const SecAsn1Template SecCmsRecipientIdentifierTemplate[] = {
 253     { SEC_ASN1_CHOICE,
 254           offsetof(SecCmsRecipientIdentifier,identifierType), NULL,
 255           sizeof(SecCmsRecipientIdentifier) },
 256     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 257       SEC_ASN1_XTRN | 0,
 258           offsetof(SecCmsRecipientIdentifier,id.subjectKeyID),
 259           SEC_ASN1_SUB(kSecAsn1PointerToOctetStringTemplate) ,
 260           SecCmsRecipientIDSubjectKeyID },
 261     { SEC_ASN1_POINTER | SEC_ASN1_XTRN,
 262           offsetof(SecCmsRecipientIdentifier,id.issuerAndSN),
 263           SEC_ASN1_SUB(SecCmsIssuerAndSNTemplate),
 264           SecCmsRecipientIDIssuerSN },
 265     { 0 }
 266 };
 267
 268
 269 static const SecAsn1Template SecCmsKeyTransRecipientInfoTemplate[] = {
 270     { SEC_ASN1_SEQUENCE,
 271           0, NULL, sizeof(SecCmsKeyTransRecipientInfo) },
 272     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 273           offsetof(SecCmsKeyTransRecipientInfo,version) },
 274     { SEC_ASN1_INLINE,
 275           offsetof(SecCmsKeyTransRecipientInfo,recipientIdentifier),
 276           SecCmsRecipientIdentifierTemplate },
 277     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 278           offsetof(SecCmsKeyTransRecipientInfo,keyEncAlg),
 279           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 280     { SEC_ASN1_OCTET_STRING,
 281           offsetof(SecCmsKeyTransRecipientInfo,encKey) },
 282     { 0 }
 283 };
 284
 285 /* -----------------------------------------------------------------------------
 286  * key agreement recipient info
 287  */
 288
 289 static const SecAsn1Template SecCmsOriginatorPublicKeyTemplate[] = {
 290     { SEC_ASN1_SEQUENCE,
 291           0, NULL, sizeof(SecCmsOriginatorPublicKey) },
 292     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 293           offsetof(SecCmsOriginatorPublicKey,algorithmIdentifier),
 294           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 295     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 296           offsetof(SecCmsOriginatorPublicKey,publicKey),
 297           SEC_ASN1_SUB(kSecAsn1BitStringTemplate) },
 298     { 0 }
 299 };
 300
 301
 302 static const SecAsn1Template SecCmsOriginatorIdentifierOrKeyTemplate[] = {
 303     { SEC_ASN1_CHOICE,
 304           offsetof(SecCmsOriginatorIdentifierOrKey,identifierType), NULL,
 305           sizeof(SecCmsOriginatorIdentifierOrKey) },
 306     { SEC_ASN1_POINTER | SEC_ASN1_XTRN,
 307           offsetof(SecCmsOriginatorIdentifierOrKey,id.issuerAndSN),
 308           SEC_ASN1_SUB(SecCmsIssuerAndSNTemplate),
 309           SecCmsOriginatorIDOrKeyIssuerSN },
 310     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
 311       /* this was tag 1 here, 2 for the next; RFC 3852 says they are 0 and 1 */
 312       SEC_ASN1_XTRN | 0,
 313           offsetof(SecCmsOriginatorIdentifierOrKey,id.subjectKeyID),
 314           kSecAsn1OctetStringTemplate,
 315           SecCmsOriginatorIDOrKeySubjectKeyID },
 316     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
 317           offsetof(SecCmsOriginatorIdentifierOrKey,id.originatorPublicKey),
 318           SecCmsOriginatorPublicKeyTemplate,
 319           SecCmsOriginatorIDOrKeyOriginatorPublicKey },
 320     { 0 }
 321 };
 322
 323 const SecAsn1Template SecCmsRecipientKeyIdentifierTemplate[] = {
 324     { SEC_ASN1_SEQUENCE,
 325           0, NULL, sizeof(SecCmsRecipientKeyIdentifier) },
 326     { SEC_ASN1_OCTET_STRING,
 327           offsetof(SecCmsRecipientKeyIdentifier,subjectKeyIdentifier) },
 328     { SEC_ASN1_OPTIONAL | SEC_ASN1_OCTET_STRING,
 329           offsetof(SecCmsRecipientKeyIdentifier,date) },
 330     { SEC_ASN1_OPTIONAL | SEC_ASN1_OCTET_STRING,
 331           offsetof(SecCmsRecipientKeyIdentifier,other) },
 332     { 0 }
 333 };
 334
 335
 336 static const SecAsn1Template SecCmsKeyAgreeRecipientIdentifierTemplate[] = {
 337     { SEC_ASN1_CHOICE,
 338           offsetof(SecCmsKeyAgreeRecipientIdentifier,identifierType), NULL,
 339           sizeof(SecCmsKeyAgreeRecipientIdentifier) },
 340     { SEC_ASN1_POINTER | SEC_ASN1_XTRN,
 341           offsetof(SecCmsKeyAgreeRecipientIdentifier,id.issuerAndSN),
 342           SEC_ASN1_SUB(SecCmsIssuerAndSNTemplate),
 343           SecCmsKeyAgreeRecipientIDIssuerSN },
 344     { SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
 345           offsetof(SecCmsKeyAgreeRecipientIdentifier,id.recipientKeyIdentifier),
 346           SecCmsRecipientKeyIdentifierTemplate,
 347           SecCmsKeyAgreeRecipientIDRKeyID },
 348     { 0 }
 349 };
 350
 351 static const SecAsn1Template SecCmsRecipientEncryptedKeyTemplate[] = {
 352     { SEC_ASN1_SEQUENCE,
 353           0, NULL, sizeof(SecCmsRecipientEncryptedKey) },
 354     { SEC_ASN1_INLINE,
 355           offsetof(SecCmsRecipientEncryptedKey,recipientIdentifier),
 356           SecCmsKeyAgreeRecipientIdentifierTemplate },
 357     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 358           offsetof(SecCmsRecipientEncryptedKey,encKey),
 359           SEC_ASN1_SUB(kSecAsn1OctetStringTemplate) },
 360     { 0 }
 361 };
 362
 363 static const SecAsn1Template SecCmsKeyAgreeRecipientInfoTemplate[] = {
 364     { SEC_ASN1_SEQUENCE,
 365           0, NULL, sizeof(SecCmsKeyAgreeRecipientInfo) },
 366     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 367           offsetof(SecCmsKeyAgreeRecipientInfo,version) },
 368     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
 369           offsetof(SecCmsKeyAgreeRecipientInfo,originatorIdentifierOrKey),
 370           SecCmsOriginatorIdentifierOrKeyTemplate },
 371     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_EXPLICIT |
 372       SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 1,
 373           offsetof(SecCmsKeyAgreeRecipientInfo,ukm),
 374           SEC_ASN1_SUB(kSecAsn1OctetStringTemplate) },
 375     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 376           offsetof(SecCmsKeyAgreeRecipientInfo,keyEncAlg),
 377           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 378     { SEC_ASN1_SEQUENCE_OF,
 379           offsetof(SecCmsKeyAgreeRecipientInfo,recipientEncryptedKeys),
 380           SecCmsRecipientEncryptedKeyTemplate },
 381     { 0 }
 382 };
 383
 384 /* -----------------------------------------------------------------------------
 385  * KEK recipient info
 386  */
 387
 388 static const SecAsn1Template SecCmsKEKIdentifierTemplate[] = {
 389     { SEC_ASN1_SEQUENCE,
 390           0, NULL, sizeof(SecCmsKEKIdentifier) },
 391     { SEC_ASN1_OCTET_STRING,
 392           offsetof(SecCmsKEKIdentifier,keyIdentifier) },
 393     { SEC_ASN1_OPTIONAL | SEC_ASN1_OCTET_STRING,
 394           offsetof(SecCmsKEKIdentifier,date) },
 395     { SEC_ASN1_OPTIONAL | SEC_ASN1_OCTET_STRING,
 396           offsetof(SecCmsKEKIdentifier,other) },
 397     { 0 }
 398 };
 399
 400 static const SecAsn1Template SecCmsKEKRecipientInfoTemplate[] = {
 401     { SEC_ASN1_SEQUENCE,
 402           0, NULL, sizeof(SecCmsKEKRecipientInfo) },
 403     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 404           offsetof(SecCmsKEKRecipientInfo,version) },
 405     { SEC_ASN1_INLINE,
 406           offsetof(SecCmsKEKRecipientInfo,kekIdentifier),
 407           SecCmsKEKIdentifierTemplate },
 408     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 409           offsetof(SecCmsKEKRecipientInfo,keyEncAlg),
 410           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 411     { SEC_ASN1_OCTET_STRING,
 412           offsetof(SecCmsKEKRecipientInfo,encKey) },
 413     { 0 }
 414 };
 415
 416 /* -----------------------------------------------------------------------------
 417  * recipient info
 418  */
 419 const SecAsn1Template SecCmsRecipientInfoTemplate[] = {
 420     { SEC_ASN1_CHOICE,
 421           offsetof(SecCmsRecipientInfo,recipientInfoType), NULL,
 422           sizeof(SecCmsRecipientInfo) },
 423     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
 424           offsetof(SecCmsRecipientInfo,ri.keyAgreeRecipientInfo),
 425           SecCmsKeyAgreeRecipientInfoTemplate,
 426           SecCmsRecipientInfoIDKeyAgree },
 427     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 2,
 428           offsetof(SecCmsRecipientInfo,ri.kekRecipientInfo),
 429           SecCmsKEKRecipientInfoTemplate,
 430           SecCmsRecipientInfoIDKEK },
 431     { SEC_ASN1_INLINE,
 432           offsetof(SecCmsRecipientInfo,ri.keyTransRecipientInfo),
 433           SecCmsKeyTransRecipientInfoTemplate,
 434           SecCmsRecipientInfoIDKeyTrans },
 435     { 0 }
 436 };
 437
 438 /* -----------------------------------------------------------------------------
 439  *
 440  */
 441
 442 const SecAsn1Template SecCmsDigestedDataTemplate[] = {
 443     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
 444           0, NULL, sizeof(SecCmsDigestedData) },
 445     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 446           offsetof(SecCmsDigestedData,version) },
 447     { SEC_ASN1_INLINE | SEC_ASN1_XTRN,
 448           offsetof(SecCmsDigestedData,digestAlg),
 449           SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
 450     { SEC_ASN1_INLINE,
 451           offsetof(SecCmsDigestedData,contentInfo),
 452           SecCmsEncapsulatedContentInfoTemplate },
 453     { SEC_ASN1_OCTET_STRING,
 454           offsetof(SecCmsDigestedData,digest) },
 455     { 0 }
 456 };
 457
 458 const SecAsn1Template NSS_PointerToCMSDigestedDataTemplate[] = {
 459     { SEC_ASN1_POINTER, 0, SecCmsDigestedDataTemplate }
 460 };
 461
 462 const SecAsn1Template SecCmsEncryptedDataTemplate[] = {
 463     { SEC_ASN1_SEQUENCE | SEC_ASN1_MAY_STREAM,
 464           0, NULL, sizeof(SecCmsEncryptedData) },
 465     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 466           offsetof(SecCmsEncryptedData,version) },
 467     { SEC_ASN1_INLINE,
 468           offsetof(SecCmsEncryptedData,contentInfo),
 469           SecCmsEncryptedContentInfoTemplate },
 470     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
 471           offsetof(SecCmsEncryptedData,unprotectedAttr),
 472           nss_cms_set_of_attribute_template },
 473     { 0 }
 474 };
 475
 476 const SecAsn1Template NSS_PointerToCMSEncryptedDataTemplate[] = {
 477     { SEC_ASN1_POINTER, 0, SecCmsEncryptedDataTemplate }
 478 };
 479
 480 /* -----------------------------------------------------------------------------
 481  * SetOfSignedCrlTemplate
 482  */
 483 const SecAsn1Template SecCmsIssuerAndSNTemplate[] = {
 484     { SEC_ASN1_SEQUENCE,
 485           0, NULL, sizeof(SecCmsIssuerAndSN) },
 486 #if 1 // @@@ Switch to using NSS_NameTemplate
 487     { SEC_ASN1_ANY,
 488           offsetof(SecCmsIssuerAndSN,derIssuer) },
 489 #else
 490     { SEC_ASN1_INLINE,
 491           offsetof(SecCmsIssuerAndSN,issuer),
 492           NSS_NameTemplate },
 493 #endif
 494     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT,
 495           offsetof(SecCmsIssuerAndSN,serialNumber) },
 496     { 0 }
 497 };
 498
 499
 500 /* -----------------------------------------------------------------------------
 501  * FORTEZZA KEA
 502  */
 503 const SecAsn1Template NSS_SMIMEKEAParamTemplateSkipjack[] = {
 504         { SEC_ASN1_SEQUENCE,
 505           0, NULL, sizeof(SecCmsSMIMEKEAParameters) },
 506         { SEC_ASN1_OCTET_STRING /* | SEC_ASN1_OPTIONAL */,
 507           offsetof(SecCmsSMIMEKEAParameters,originatorKEAKey) },
 508         { SEC_ASN1_OCTET_STRING,
 509           offsetof(SecCmsSMIMEKEAParameters,originatorRA) },
 510         { 0 }
 511 };
 512
 513 const SecAsn1Template NSS_SMIMEKEAParamTemplateNoSkipjack[] = {
 514         { SEC_ASN1_SEQUENCE,
 515           0, NULL, sizeof(SecCmsSMIMEKEAParameters) },
 516         { SEC_ASN1_OCTET_STRING /* | SEC_ASN1_OPTIONAL */,
 517           offsetof(SecCmsSMIMEKEAParameters,originatorKEAKey) },
 518         { SEC_ASN1_OCTET_STRING,
 519           offsetof(SecCmsSMIMEKEAParameters,originatorRA) },
 520         { SEC_ASN1_OCTET_STRING  | SEC_ASN1_OPTIONAL ,
 521           offsetof(SecCmsSMIMEKEAParameters,nonSkipjackIV) },
 522         { 0 }
 523 };
 524
 525 const SecAsn1Template NSS_SMIMEKEAParamTemplateAllParams[] = {
 526         { SEC_ASN1_SEQUENCE,
 527           0, NULL, sizeof(SecCmsSMIMEKEAParameters) },
 528         { SEC_ASN1_OCTET_STRING /* | SEC_ASN1_OPTIONAL */,
 529           offsetof(SecCmsSMIMEKEAParameters,originatorKEAKey) },
 530         { SEC_ASN1_OCTET_STRING,
 531           offsetof(SecCmsSMIMEKEAParameters,originatorRA) },
 532         { SEC_ASN1_OCTET_STRING  | SEC_ASN1_OPTIONAL ,
 533           offsetof(SecCmsSMIMEKEAParameters,nonSkipjackIV) },
 534         { SEC_ASN1_OCTET_STRING  | SEC_ASN1_OPTIONAL ,
 535           offsetof(SecCmsSMIMEKEAParameters,bulkKeySize) },
 536         { 0 }
 537 };
 538
 539 /*TODO: this should be in some header */
 540 const SecAsn1Template *
 541 nss_cms_get_kea_template(SecCmsKEATemplateSelector whichTemplate);
 542 const SecAsn1Template *
 543 nss_cms_get_kea_template(SecCmsKEATemplateSelector whichTemplate)
 544 {
 545         const SecAsn1Template *returnVal = NULL;
 546
 547         switch(whichTemplate)
 548         {
 549         case SecCmsKEAUsesNonSkipjack:
 550                 returnVal = NSS_SMIMEKEAParamTemplateNoSkipjack;
 551                 break;
 552         case SecCmsKEAUsesSkipjack:
 553                 returnVal = NSS_SMIMEKEAParamTemplateSkipjack;
 554                 break;
 555         case SecCmsKEAUsesNonSkipjackWithPaddedEncKey:
 556         default:
 557                 returnVal = NSS_SMIMEKEAParamTemplateAllParams;
 558                 break;
 559         }
 560         return returnVal;
 561 }
 562
 563 /* -----------------------------------------------------------------------------
 564  *
 565  */
 566 static const SecAsn1Template *
 567 nss_cms_choose_content_template(void *src_or_dest, Boolean encoding, const char *buf, size_t len, void *dest)
 568 {
 569     const SecAsn1Template *theTemplate;
 570     SecCmsContentInfoRef cinfo;
 571
 572     PORT_Assert (src_or_dest != NULL);
 573     if (src_or_dest == NULL)
 574         return NULL;
 575
 576     cinfo = (SecCmsContentInfoRef)src_or_dest;
 577     switch (SecCmsContentInfoGetContentTypeTag(cinfo)) {
 578     default:
 579         theTemplate = SEC_ASN1_GET(kSecAsn1PointerToAnyTemplate);
 580         break;
 581     case SEC_OID_PKCS7_DATA:
 582     case SEC_OID_OTHER:
 583         theTemplate = SEC_ASN1_GET(kSecAsn1PointerToOctetStringTemplate);
 584         break;
 585     case SEC_OID_PKCS7_SIGNED_DATA:
 586         theTemplate = NSS_PointerToCMSSignedDataTemplate;
 587         break;
 588     case SEC_OID_PKCS7_ENVELOPED_DATA:
 589         theTemplate = NSS_PointerToCMSEnvelopedDataTemplate;
 590         break;
 591     case SEC_OID_PKCS7_DIGESTED_DATA:
 592         theTemplate = NSS_PointerToCMSDigestedDataTemplate;
 593         break;
 594     case SEC_OID_PKCS7_ENCRYPTED_DATA:
 595         theTemplate = NSS_PointerToCMSEncryptedDataTemplate;
 596         break;
 597     }
 598     return theTemplate;
 599 }