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| 1 /* pk7_asn.c */ | |
| 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
| 3 * project 2000. | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | |
| 7 * | |
| 8 * Redistribution and use in source and binary forms, with or without | |
| 9 * modification, are permitted provided that the following conditions | |
| 10 * are met: | |
| 11 * | |
| 12 * 1. Redistributions of source code must retain the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer. | |
| 14 * | |
| 15 * 2. Redistributions in binary form must reproduce the above copyright | |
| 16 * notice, this list of conditions and the following disclaimer in | |
| 17 * the documentation and/or other materials provided with the | |
| 18 * distribution. | |
| 19 * | |
| 20 * 3. All advertising materials mentioning features or use of this | |
| 21 * software must display the following acknowledgment: | |
| 22 * "This product includes software developed by the OpenSSL Project | |
| 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
| 24 * | |
| 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 26 * endorse or promote products derived from this software without | |
| 27 * prior written permission. For written permission, please contact | |
| 28 * licensing@OpenSSL.org. | |
| 29 * | |
| 30 * 5. Products derived from this software may not be called "OpenSSL" | |
| 31 * nor may "OpenSSL" appear in their names without prior written | |
| 32 * permission of the OpenSSL Project. | |
| 33 * | |
| 34 * 6. Redistributions of any form whatsoever must retain the following | |
| 35 * acknowledgment: | |
| 36 * "This product includes software developed by the OpenSSL Project | |
| 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
| 38 * | |
| 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 50 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 51 * ==================================================================== | |
| 52 * | |
| 53 * This product includes cryptographic software written by Eric Young | |
| 54 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 55 * Hudson (tjh@cryptsoft.com). | |
| 56 * | |
| 57 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include "cryptlib.h" | |
| 61 #include <openssl/asn1t.h> | |
| 62 #include <openssl/pkcs7.h> | |
| 63 #include <openssl/x509.h> | |
| 64 | |
| 65 /* PKCS#7 ASN1 module */ | |
| 66 | |
| 67 /* This is the ANY DEFINED BY table for the top level PKCS#7 structure */ | |
| 68 | |
| 69 ASN1_ADB_TEMPLATE(p7default) = ASN1_EXP_OPT(PKCS7, d.other, ASN1_ANY, 0); | |
| 70 | |
| 71 ASN1_ADB(PKCS7) = { | |
| 72 ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP_OPT(PKCS7, d.data, ASN1_OCTET_ST
RING_NDEF, 0)), | |
| 73 ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP_OPT(PKCS7, d.sign, PKCS7_SIGNE
D, 0)), | |
| 74 ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.enveloped, PKC
S7_ENVELOPE, 0)), | |
| 75 ADB_ENTRY(NID_pkcs7_signedAndEnveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.signe
d_and_enveloped, PKCS7_SIGN_ENVELOPE, 0)), | |
| 76 ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP_OPT(PKCS7, d.digest, PKCS7_DIG
EST, 0)), | |
| 77 ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP_OPT(PKCS7, d.encrypted, PKC
S7_ENCRYPT, 0)) | |
| 78 } ASN1_ADB_END(PKCS7, 0, type, 0, &p7default_tt, NULL); | |
| 79 | |
| 80 /* PKCS#7 streaming support */ | |
| 81 static int pk7_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
| 82 void *exarg) | |
| 83 { | |
| 84 ASN1_STREAM_ARG *sarg = exarg; | |
| 85 PKCS7 **pp7 = (PKCS7 **)pval; | |
| 86 | |
| 87 switch(operation) | |
| 88 { | |
| 89 | |
| 90 case ASN1_OP_STREAM_PRE: | |
| 91 if (PKCS7_stream(&sarg->boundary, *pp7) <= 0) | |
| 92 return 0; | |
| 93 case ASN1_OP_DETACHED_PRE: | |
| 94 sarg->ndef_bio = PKCS7_dataInit(*pp7, sarg->out); | |
| 95 if (!sarg->ndef_bio) | |
| 96 return 0; | |
| 97 break; | |
| 98 | |
| 99 case ASN1_OP_STREAM_POST: | |
| 100 case ASN1_OP_DETACHED_POST: | |
| 101 if (PKCS7_dataFinal(*pp7, sarg->ndef_bio) <= 0) | |
| 102 return 0; | |
| 103 break; | |
| 104 | |
| 105 } | |
| 106 return 1; | |
| 107 } | |
| 108 | |
| 109 ASN1_NDEF_SEQUENCE_cb(PKCS7, pk7_cb) = { | |
| 110 ASN1_SIMPLE(PKCS7, type, ASN1_OBJECT), | |
| 111 ASN1_ADB_OBJECT(PKCS7) | |
| 112 }ASN1_NDEF_SEQUENCE_END_cb(PKCS7, PKCS7) | |
| 113 | |
| 114 IMPLEMENT_ASN1_FUNCTIONS(PKCS7) | |
| 115 IMPLEMENT_ASN1_NDEF_FUNCTION(PKCS7) | |
| 116 IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7) | |
| 117 | |
| 118 ASN1_NDEF_SEQUENCE(PKCS7_SIGNED) = { | |
| 119 ASN1_SIMPLE(PKCS7_SIGNED, version, ASN1_INTEGER), | |
| 120 ASN1_SET_OF(PKCS7_SIGNED, md_algs, X509_ALGOR), | |
| 121 ASN1_SIMPLE(PKCS7_SIGNED, contents, PKCS7), | |
| 122 ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNED, cert, X509, 0), | |
| 123 ASN1_IMP_SET_OF_OPT(PKCS7_SIGNED, crl, X509_CRL, 1), | |
| 124 ASN1_SET_OF(PKCS7_SIGNED, signer_info, PKCS7_SIGNER_INFO) | |
| 125 } ASN1_NDEF_SEQUENCE_END(PKCS7_SIGNED) | |
| 126 | |
| 127 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNED) | |
| 128 | |
| 129 /* Minor tweak to operation: free up EVP_PKEY */ | |
| 130 static int si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
| 131 void *exarg) | |
| 132 { | |
| 133 if(operation == ASN1_OP_FREE_POST) { | |
| 134 PKCS7_SIGNER_INFO *si = (PKCS7_SIGNER_INFO *)*pval; | |
| 135 EVP_PKEY_free(si->pkey); | |
| 136 } | |
| 137 return 1; | |
| 138 } | |
| 139 | |
| 140 ASN1_SEQUENCE_cb(PKCS7_SIGNER_INFO, si_cb) = { | |
| 141 ASN1_SIMPLE(PKCS7_SIGNER_INFO, version, ASN1_INTEGER), | |
| 142 ASN1_SIMPLE(PKCS7_SIGNER_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIA
L), | |
| 143 ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_alg, X509_ALGOR), | |
| 144 /* NB this should be a SET OF but we use a SEQUENCE OF so the | |
| 145 * original order * is retained when the structure is reencoded. | |
| 146 * Since the attributes are implicitly tagged this will not affect | |
| 147 * the encoding. | |
| 148 */ | |
| 149 ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNER_INFO, auth_attr, X509_ATTRIBUTE, 0
), | |
| 150 ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_enc_alg, X509_ALGOR), | |
| 151 ASN1_SIMPLE(PKCS7_SIGNER_INFO, enc_digest, ASN1_OCTET_STRING), | |
| 152 ASN1_IMP_SET_OF_OPT(PKCS7_SIGNER_INFO, unauth_attr, X509_ATTRIBUTE, 1) | |
| 153 } ASN1_SEQUENCE_END_cb(PKCS7_SIGNER_INFO, PKCS7_SIGNER_INFO) | |
| 154 | |
| 155 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO) | |
| 156 | |
| 157 ASN1_SEQUENCE(PKCS7_ISSUER_AND_SERIAL) = { | |
| 158 ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, issuer, X509_NAME), | |
| 159 ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, serial, ASN1_INTEGER) | |
| 160 } ASN1_SEQUENCE_END(PKCS7_ISSUER_AND_SERIAL) | |
| 161 | |
| 162 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL) | |
| 163 | |
| 164 ASN1_NDEF_SEQUENCE(PKCS7_ENVELOPE) = { | |
| 165 ASN1_SIMPLE(PKCS7_ENVELOPE, version, ASN1_INTEGER), | |
| 166 ASN1_SET_OF(PKCS7_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO), | |
| 167 ASN1_SIMPLE(PKCS7_ENVELOPE, enc_data, PKCS7_ENC_CONTENT) | |
| 168 } ASN1_NDEF_SEQUENCE_END(PKCS7_ENVELOPE) | |
| 169 | |
| 170 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENVELOPE) | |
| 171 | |
| 172 /* Minor tweak to operation: free up X509 */ | |
| 173 static int ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
| 174 void *exarg) | |
| 175 { | |
| 176 if(operation == ASN1_OP_FREE_POST) { | |
| 177 PKCS7_RECIP_INFO *ri = (PKCS7_RECIP_INFO *)*pval; | |
| 178 X509_free(ri->cert); | |
| 179 } | |
| 180 return 1; | |
| 181 } | |
| 182 | |
| 183 ASN1_SEQUENCE_cb(PKCS7_RECIP_INFO, ri_cb) = { | |
| 184 ASN1_SIMPLE(PKCS7_RECIP_INFO, version, ASN1_INTEGER), | |
| 185 ASN1_SIMPLE(PKCS7_RECIP_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL
), | |
| 186 ASN1_SIMPLE(PKCS7_RECIP_INFO, key_enc_algor, X509_ALGOR), | |
| 187 ASN1_SIMPLE(PKCS7_RECIP_INFO, enc_key, ASN1_OCTET_STRING) | |
| 188 } ASN1_SEQUENCE_END_cb(PKCS7_RECIP_INFO, PKCS7_RECIP_INFO) | |
| 189 | |
| 190 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_RECIP_INFO) | |
| 191 | |
| 192 ASN1_NDEF_SEQUENCE(PKCS7_ENC_CONTENT) = { | |
| 193 ASN1_SIMPLE(PKCS7_ENC_CONTENT, content_type, ASN1_OBJECT), | |
| 194 ASN1_SIMPLE(PKCS7_ENC_CONTENT, algorithm, X509_ALGOR), | |
| 195 ASN1_IMP_OPT(PKCS7_ENC_CONTENT, enc_data, ASN1_OCTET_STRING_NDEF, 0) | |
| 196 } ASN1_NDEF_SEQUENCE_END(PKCS7_ENC_CONTENT) | |
| 197 | |
| 198 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT) | |
| 199 | |
| 200 ASN1_NDEF_SEQUENCE(PKCS7_SIGN_ENVELOPE) = { | |
| 201 ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, version, ASN1_INTEGER), | |
| 202 ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO), | |
| 203 ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, md_algs, X509_ALGOR), | |
| 204 ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, enc_data, PKCS7_ENC_CONTENT), | |
| 205 ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, cert, X509, 0), | |
| 206 ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, crl, X509_CRL, 1), | |
| 207 ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, signer_info, PKCS7_SIGNER_INFO) | |
| 208 } ASN1_NDEF_SEQUENCE_END(PKCS7_SIGN_ENVELOPE) | |
| 209 | |
| 210 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE) | |
| 211 | |
| 212 ASN1_NDEF_SEQUENCE(PKCS7_ENCRYPT) = { | |
| 213 ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER), | |
| 214 ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT) | |
| 215 } ASN1_NDEF_SEQUENCE_END(PKCS7_ENCRYPT) | |
| 216 | |
| 217 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT) | |
| 218 | |
| 219 ASN1_NDEF_SEQUENCE(PKCS7_DIGEST) = { | |
| 220 ASN1_SIMPLE(PKCS7_DIGEST, version, ASN1_INTEGER), | |
| 221 ASN1_SIMPLE(PKCS7_DIGEST, md, X509_ALGOR), | |
| 222 ASN1_SIMPLE(PKCS7_DIGEST, contents, PKCS7), | |
| 223 ASN1_SIMPLE(PKCS7_DIGEST, digest, ASN1_OCTET_STRING) | |
| 224 } ASN1_NDEF_SEQUENCE_END(PKCS7_DIGEST) | |
| 225 | |
| 226 IMPLEMENT_ASN1_FUNCTIONS(PKCS7_DIGEST) | |
| 227 | |
| 228 /* Specials for authenticated attributes */ | |
| 229 | |
| 230 /* When signing attributes we want to reorder them to match the sorted | |
| 231 * encoding. | |
| 232 */ | |
| 233 | |
| 234 ASN1_ITEM_TEMPLATE(PKCS7_ATTR_SIGN) = | |
| 235 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, PKCS7_ATTRIBUTES, X509_ATT
RIBUTE) | |
| 236 ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_SIGN) | |
| 237 | |
| 238 /* When verifying attributes we need to use the received order. So | |
| 239 * we use SEQUENCE OF and tag it to SET OF | |
| 240 */ | |
| 241 | |
| 242 ASN1_ITEM_TEMPLATE(PKCS7_ATTR_VERIFY) = | |
| 243 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TF
LG_UNIVERSAL, | |
| 244 V_ASN1_SET, PKCS7_ATTRIBUTES, X509_ATTRIBUTE) | |
| 245 ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_VERIFY) | |
| 246 | |
| 247 IMPLEMENT_ASN1_PRINT_FUNCTION(PKCS7) | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master