OSX/libsecurity_smime/lib/tsaTemplates.c

   1 /*
   2  * Copyright (c) 2012-2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  *
  23  * tsaTemplates.c -  ASN1 templates Time Stamping Authority requests and responses
  24  */
  25
  26 #include <security_asn1/keyTemplates.h>     /* for kSecAsn1AlgorithmIDTemplate */
  27 #include <security_asn1/SecAsn1Templates.h>
  28 #include <stddef.h>
  29 #include <assert.h>
  30
  31 #include "tsaTemplates.h"
  32 #include "cmslocal.h"
  33
  34 #pragma clang diagnostic push
  35 #pragma clang diagnostic ignored "-Wunused-const-variable"
  36
  37 // *** from CMSEncoder.cpp
  38
  39 typedef struct {
  40     CSSM_OID    contentType;
  41     CSSM_DATA   content;
  42 } SimpleContentInfo;
  43
  44 // SecCmsContentInfoTemplate
  45 static const SecAsn1Template cmsSimpleContentInfoTemplate[] = {
  46     { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(SimpleContentInfo) },
  47     { SEC_ASN1_OBJECT_ID, offsetof(SimpleContentInfo, contentType) },
  48     { SEC_ASN1_EXPLICIT | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
  49           offsetof(SimpleContentInfo, content),
  50           kSecAsn1AnyTemplate },
  51     { 0, }
  52 };
  53
  54 #pragma mark ----- tsa -----
  55
  56 /*
  57 Accuracy ::= SEQUENCE {
  58                 seconds        INTEGER           OPTIONAL,
  59                 millis     [0] INTEGER  (1..999) OPTIONAL,
  60                 micros     [1] INTEGER  (1..999) OPTIONAL  }
  61 */
  62
  63 const SecAsn1Template kSecAsn1SignedIntegerTemplate[] = {
  64     { SEC_ASN1_INTEGER | SEC_ASN1_SIGNED_INT, 0, NULL, sizeof(SecAsn1Item) }
  65 };
  66
  67 const SecAsn1Template kSecAsn1UnsignedIntegerTemplate[] = {
  68     { SEC_ASN1_INTEGER, 0, NULL, sizeof(SecAsn1Item) }
  69 };
  70
  71 const SecAsn1Template kSecAsn1TSAAccuracyTemplate[] = {
  72     { SEC_ASN1_SEQUENCE,
  73           0, NULL, sizeof(SecAsn1TSAAccuracy) },
  74     { SEC_ASN1_INTEGER,
  75         offsetof(SecAsn1TSAAccuracy, seconds) },
  76     { SEC_ASN1_CONTEXT_SPECIFIC | 0 | SEC_ASN1_OPTIONAL,
  77         offsetof(SecAsn1TSAAccuracy, millis), kSecAsn1UnsignedIntegerTemplate },
  78     { SEC_ASN1_CONTEXT_SPECIFIC | 1 | SEC_ASN1_OPTIONAL,
  79         offsetof(SecAsn1TSAAccuracy, micros), kSecAsn1UnsignedIntegerTemplate },
  80     { 0 }
  81 };
  82
  83 /*
  84 MessageImprint ::= SEQUENCE  {
  85      hashAlgorithm                AlgorithmIdentifier,
  86      hashedMessage                OCTET STRING  }
  87 */
  88
  89 const SecAsn1Template kSecAsn1TSAMessageImprintTemplate[] = {
  90     { SEC_ASN1_SEQUENCE,
  91           0, NULL, sizeof(SecAsn1TSAMessageImprint) },
  92     { SEC_ASN1_INLINE, offsetof(SecAsn1TSAMessageImprint,hashAlgorithm),
  93         kSecAsn1AlgorithmIDTemplate },
  94     { SEC_ASN1_OCTET_STRING,
  95         offsetof(SecAsn1TSAMessageImprint,hashedMessage) },
  96     { 0 }
  97 };
  98
  99 /*
 100     TimeStampReq ::= SEQUENCE  {
 101        version                  INTEGER  { v1(1) },
 102        messageImprint           MessageImprint,
 103          --a hash algorithm OID and the hash value of the data to be
 104          --time-stamped
 105        reqPolicy                TSAPolicyId                OPTIONAL,
 106        nonce                    INTEGER                    OPTIONAL,
 107        certReq                  BOOLEAN                    DEFAULT FALSE,
 108        extensions               [0] IMPLICIT Extensions    OPTIONAL  }
 109
 110     MessageImprint ::= SEQUENCE  {
 111          hashAlgorithm                AlgorithmIdentifier,
 112          hashedMessage                OCTET STRING  }
 113
 114     TSAPolicyId ::= OBJECT IDENTIFIER
 115 */
 116
 117 const SecAsn1Template kSecAsn1TSATimeStampReqTemplate[] = {
 118     { SEC_ASN1_SEQUENCE,
 119           0, NULL, sizeof(SecAsn1TSATimeStampReq) },
 120     { SEC_ASN1_INTEGER,
 121         offsetof(SecAsn1TSATimeStampReq, version) },
 122     { SEC_ASN1_INLINE, offsetof(SecAsn1TSATimeStampReq,messageImprint),
 123         kSecAsn1TSAMessageImprintTemplate },
 124     { SEC_ASN1_OBJECT_ID | SEC_ASN1_OPTIONAL,
 125         offsetof(SecAsn1TSATimeStampReq,reqPolicy) },
 126     { SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL,
 127         offsetof(SecAsn1TSATimeStampReq, nonce) },
 128     { SEC_ASN1_BOOLEAN | SEC_ASN1_OPTIONAL,
 129         offsetof(SecAsn1TSATimeStampReq, certReq) },
 130     { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0,
 131         offsetof(SecAsn1TSATimeStampReq, extensions),
 132         kSecAsn1SequenceOfCertExtensionTemplate },
 133     { 0 }
 134 };
 135
 136 /*
 137     PKIFreeText ::= SEQUENCE {
 138         SIZE (1..MAX) OF UTF8String
 139         -- text encoded as UTF-8 String (note: each UTF8String SHOULD
 140         -- include an RFC 1766 language tag to indicate the language -- of the contained text)
 141     }
 142
 143     See e.g. kSecAsn1SequenceOfUTF8StringTemplate
 144 */
 145
 146 const SecAsn1Template kSecAsn1TSAPKIStatusInfoTemplate[] = {
 147     { SEC_ASN1_SEQUENCE,
 148           0, NULL, sizeof(SecAsn1TSAPKIStatusInfo) },
 149     { SEC_ASN1_INTEGER,
 150         offsetof(SecAsn1TSAPKIStatusInfo, status) },
 151     {  SEC_ASN1_CONSTRUCTED | SEC_ASN1_SEQUENCE | SEC_ASN1_OPTIONAL,
 152         offsetof(SecAsn1TSAPKIStatusInfo, statusString) },
 153     { SEC_ASN1_BIT_STRING | SEC_ASN1_OPTIONAL,
 154         offsetof(SecAsn1TSAPKIStatusInfo,failInfo) },
 155     { 0 }
 156 };
 157
 158 const SecAsn1Template kSecAsn1TSAPKIStatusInfoTemplateRFC3161[] = {
 159     { SEC_ASN1_SEQUENCE,
 160           0, NULL, sizeof(SecAsn1TSAPKIStatusInfo) },
 161     { SEC_ASN1_INTEGER,
 162         offsetof(SecAsn1TSAPKIStatusInfo, status) },
 163     { SEC_ASN1_UTF8_STRING | SEC_ASN1_OPTIONAL,
 164         offsetof(SecAsn1TSAPKIStatusInfo, statusString) },
 165     { SEC_ASN1_BIT_STRING | SEC_ASN1_OPTIONAL,
 166         offsetof(SecAsn1TSAPKIStatusInfo,failInfo) },
 167     { 0 }
 168 };
 169
 170 const SecAsn1Template kSecAsn1TSATimeStampRespTemplate[] = {
 171     { SEC_ASN1_SEQUENCE,
 172           0, NULL, sizeof(SecAsn1TimeStampResp) },
 173     { SEC_ASN1_INLINE, offsetof(SecAsn1TimeStampResp,status),
 174         kSecAsn1TSAPKIStatusInfoTemplate },
 175     { SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL, offsetof(SecAsn1TimeStampResp,timeStampToken),
 176         SecCmsContentInfoTemplate },
 177     { 0 }
 178 };
 179
 180 // Decode the status but not the TimeStampToken
 181 const SecAsn1Template kSecAsn1TSATimeStampRespTemplateDER[] = {
 182     { SEC_ASN1_SEQUENCE,
 183           0, NULL, sizeof(SecAsn1TimeStampRespDER) },
 184     { SEC_ASN1_INLINE, offsetof(SecAsn1TimeStampRespDER,status),
 185         kSecAsn1TSAPKIStatusInfoTemplate },
 186     { SEC_ASN1_ANY | SEC_ASN1_OPTIONAL ,//| SEC_ASN1_SAVE,
 187           offsetof(SecAsn1TimeStampRespDER, timeStampTokenDER), kSecAsn1AnyTemplate  },
 188     { 0 }
 189 };
 190
 191 /*
 192     RFC 3161               Time-Stamp Protocol (TSP)             August 2001
 193
 194     TimeStampToken ::= ContentInfo
 195
 196      -- contentType is id-signedData as defined in [CMS]
 197      -- content is SignedData as defined in([CMS])
 198      -- eContentType within SignedData is id-ct-TSTInfo
 199      -- eContent within SignedData is TSTInfo
 200
 201     TSTInfo ::= SEQUENCE  {
 202         version                      INTEGER  { v1(1) },
 203         policy                       TSAPolicyId,
 204         messageImprint               MessageImprint,
 205           -- MUST have the same value as the similar field in
 206           -- TimeStampReq
 207         serialNumber                 INTEGER,
 208          -- Time-Stamping users MUST be ready to accommodate integers
 209          -- up to 160 bits.
 210         genTime                      GeneralizedTime,
 211         accuracy                     Accuracy                 OPTIONAL,
 212         ordering                     BOOLEAN             DEFAULT FALSE,
 213         nonce                        INTEGER                  OPTIONAL,
 214           -- MUST be present if the similar field was present
 215           -- in TimeStampReq.  In that case it MUST have the same value.
 216         tsa                          [0] GeneralName          OPTIONAL,
 217         extensions                   [1] IMPLICIT Extensions  OPTIONAL   }
 218
 219     Accuracy ::= SEQUENCE {
 220                     seconds        INTEGER           OPTIONAL,
 221                     millis     [0] INTEGER  (1..999) OPTIONAL,
 222                     micros     [1] INTEGER  (1..999) OPTIONAL  }
 223 */
 224
 225 const SecAsn1Template kSecAsn1TSATSTInfoTemplate[] = {
 226     { SEC_ASN1_SEQUENCE,
 227           0, NULL, sizeof(SecAsn1TSATSTInfo) },
 228     { SEC_ASN1_INTEGER,
 229         offsetof(SecAsn1TSATSTInfo, version) },
 230     { SEC_ASN1_OBJECT_ID,
 231         offsetof(SecAsn1TSATSTInfo,reqPolicy) },
 232    { SEC_ASN1_INLINE, offsetof(SecAsn1TSATSTInfo,messageImprint),
 233         kSecAsn1TSAMessageImprintTemplate },
 234     { SEC_ASN1_INTEGER,
 235         offsetof(SecAsn1TSATSTInfo, serialNumber) },
 236     { SEC_ASN1_GENERALIZED_TIME | SEC_ASN1_MAY_STREAM,
 237         offsetof(SecAsn1TSATSTInfo,genTime) },
 238     { SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL,
 239           offsetof(SecAsn1TSATSTInfo,accuracy),
 240           kSecAsn1TSAAccuracyTemplate },
 241     { SEC_ASN1_BOOLEAN | SEC_ASN1_OPTIONAL,
 242         offsetof(SecAsn1TSATSTInfo, ordering) },
 243     { SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL,
 244         offsetof(SecAsn1TSATSTInfo, nonce) },
 245     { SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 0 | SEC_ASN1_OPTIONAL,
 246         offsetof(SecAsn1TSATSTInfo, tsa),
 247         kSecAsn1GenNameOtherNameTemplate},
 248
 249     { SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1 | SEC_ASN1_OPTIONAL,
 250         offsetof(SecAsn1TSATSTInfo, extensions),
 251         kSecAsn1CertExtensionTemplate },
 252     { 0 }
 253 };
 254
 255 #pragma clang diagnostic pop