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251 lines
9.7 KiB
251 lines
9.7 KiB
/* pk7_asn.c */ |
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/* |
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project |
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* 2000. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include "cryptlib.h" |
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#include <openssl/asn1t.h> |
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#include <openssl/pkcs7.h> |
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#include <openssl/x509.h> |
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/* PKCS#7 ASN1 module */ |
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/* This is the ANY DEFINED BY table for the top level PKCS#7 structure */ |
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ASN1_ADB_TEMPLATE(p7default) = ASN1_EXP_OPT(PKCS7, d.other, ASN1_ANY, 0); |
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ASN1_ADB(PKCS7) = { |
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ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP_OPT(PKCS7, d.data, ASN1_OCTET_STRING_NDEF, 0)), |
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ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP_OPT(PKCS7, d.sign, PKCS7_SIGNED, 0)), |
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ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.enveloped, PKCS7_ENVELOPE, 0)), |
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ADB_ENTRY(NID_pkcs7_signedAndEnveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.signed_and_enveloped, PKCS7_SIGN_ENVELOPE, 0)), |
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ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP_OPT(PKCS7, d.digest, PKCS7_DIGEST, 0)), |
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ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP_OPT(PKCS7, d.encrypted, PKCS7_ENCRYPT, 0)) |
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} ASN1_ADB_END(PKCS7, 0, type, 0, &p7default_tt, NULL); |
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/* PKCS#7 streaming support */ |
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static int pk7_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
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void *exarg) |
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{ |
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ASN1_STREAM_ARG *sarg = exarg; |
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PKCS7 **pp7 = (PKCS7 **)pval; |
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switch (operation) { |
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case ASN1_OP_STREAM_PRE: |
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if (PKCS7_stream(&sarg->boundary, *pp7) <= 0) |
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return 0; |
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case ASN1_OP_DETACHED_PRE: |
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sarg->ndef_bio = PKCS7_dataInit(*pp7, sarg->out); |
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if (!sarg->ndef_bio) |
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return 0; |
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break; |
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case ASN1_OP_STREAM_POST: |
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case ASN1_OP_DETACHED_POST: |
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if (PKCS7_dataFinal(*pp7, sarg->ndef_bio) <= 0) |
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return 0; |
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break; |
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} |
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return 1; |
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} |
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ASN1_NDEF_SEQUENCE_cb(PKCS7, pk7_cb) = { |
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ASN1_SIMPLE(PKCS7, type, ASN1_OBJECT), |
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ASN1_ADB_OBJECT(PKCS7) |
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}ASN1_NDEF_SEQUENCE_END_cb(PKCS7, PKCS7) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7) |
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IMPLEMENT_ASN1_NDEF_FUNCTION(PKCS7) |
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IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7) |
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ASN1_NDEF_SEQUENCE(PKCS7_SIGNED) = { |
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ASN1_SIMPLE(PKCS7_SIGNED, version, ASN1_INTEGER), |
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ASN1_SET_OF(PKCS7_SIGNED, md_algs, X509_ALGOR), |
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ASN1_SIMPLE(PKCS7_SIGNED, contents, PKCS7), |
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ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNED, cert, X509, 0), |
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ASN1_IMP_SET_OF_OPT(PKCS7_SIGNED, crl, X509_CRL, 1), |
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ASN1_SET_OF(PKCS7_SIGNED, signer_info, PKCS7_SIGNER_INFO) |
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} ASN1_NDEF_SEQUENCE_END(PKCS7_SIGNED) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNED) |
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/* Minor tweak to operation: free up EVP_PKEY */ |
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static int si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
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void *exarg) |
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{ |
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if (operation == ASN1_OP_FREE_POST) { |
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PKCS7_SIGNER_INFO *si = (PKCS7_SIGNER_INFO *)*pval; |
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EVP_PKEY_free(si->pkey); |
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} |
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return 1; |
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} |
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ASN1_SEQUENCE_cb(PKCS7_SIGNER_INFO, si_cb) = { |
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ASN1_SIMPLE(PKCS7_SIGNER_INFO, version, ASN1_INTEGER), |
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ASN1_SIMPLE(PKCS7_SIGNER_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL), |
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ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_alg, X509_ALGOR), |
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/* NB this should be a SET OF but we use a SEQUENCE OF so the |
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* original order * is retained when the structure is reencoded. |
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* Since the attributes are implicitly tagged this will not affect |
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* the encoding. |
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*/ |
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ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNER_INFO, auth_attr, X509_ATTRIBUTE, 0), |
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ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_enc_alg, X509_ALGOR), |
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ASN1_SIMPLE(PKCS7_SIGNER_INFO, enc_digest, ASN1_OCTET_STRING), |
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ASN1_IMP_SET_OF_OPT(PKCS7_SIGNER_INFO, unauth_attr, X509_ATTRIBUTE, 1) |
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} ASN1_SEQUENCE_END_cb(PKCS7_SIGNER_INFO, PKCS7_SIGNER_INFO) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO) |
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ASN1_SEQUENCE(PKCS7_ISSUER_AND_SERIAL) = { |
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ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, issuer, X509_NAME), |
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ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, serial, ASN1_INTEGER) |
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} ASN1_SEQUENCE_END(PKCS7_ISSUER_AND_SERIAL) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL) |
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ASN1_NDEF_SEQUENCE(PKCS7_ENVELOPE) = { |
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ASN1_SIMPLE(PKCS7_ENVELOPE, version, ASN1_INTEGER), |
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ASN1_SET_OF(PKCS7_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO), |
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ASN1_SIMPLE(PKCS7_ENVELOPE, enc_data, PKCS7_ENC_CONTENT) |
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} ASN1_NDEF_SEQUENCE_END(PKCS7_ENVELOPE) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENVELOPE) |
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/* Minor tweak to operation: free up X509 */ |
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static int ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
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void *exarg) |
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{ |
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if (operation == ASN1_OP_FREE_POST) { |
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PKCS7_RECIP_INFO *ri = (PKCS7_RECIP_INFO *)*pval; |
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X509_free(ri->cert); |
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} |
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return 1; |
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} |
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ASN1_SEQUENCE_cb(PKCS7_RECIP_INFO, ri_cb) = { |
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ASN1_SIMPLE(PKCS7_RECIP_INFO, version, ASN1_INTEGER), |
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ASN1_SIMPLE(PKCS7_RECIP_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL), |
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ASN1_SIMPLE(PKCS7_RECIP_INFO, key_enc_algor, X509_ALGOR), |
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ASN1_SIMPLE(PKCS7_RECIP_INFO, enc_key, ASN1_OCTET_STRING) |
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} ASN1_SEQUENCE_END_cb(PKCS7_RECIP_INFO, PKCS7_RECIP_INFO) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_RECIP_INFO) |
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ASN1_NDEF_SEQUENCE(PKCS7_ENC_CONTENT) = { |
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ASN1_SIMPLE(PKCS7_ENC_CONTENT, content_type, ASN1_OBJECT), |
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ASN1_SIMPLE(PKCS7_ENC_CONTENT, algorithm, X509_ALGOR), |
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ASN1_IMP_OPT(PKCS7_ENC_CONTENT, enc_data, ASN1_OCTET_STRING_NDEF, 0) |
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} ASN1_NDEF_SEQUENCE_END(PKCS7_ENC_CONTENT) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT) |
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ASN1_NDEF_SEQUENCE(PKCS7_SIGN_ENVELOPE) = { |
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ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, version, ASN1_INTEGER), |
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ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO), |
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ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, md_algs, X509_ALGOR), |
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ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, enc_data, PKCS7_ENC_CONTENT), |
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ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, cert, X509, 0), |
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ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, crl, X509_CRL, 1), |
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ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, signer_info, PKCS7_SIGNER_INFO) |
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} ASN1_NDEF_SEQUENCE_END(PKCS7_SIGN_ENVELOPE) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE) |
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ASN1_NDEF_SEQUENCE(PKCS7_ENCRYPT) = { |
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ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER), |
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ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT) |
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} ASN1_NDEF_SEQUENCE_END(PKCS7_ENCRYPT) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT) |
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ASN1_NDEF_SEQUENCE(PKCS7_DIGEST) = { |
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ASN1_SIMPLE(PKCS7_DIGEST, version, ASN1_INTEGER), |
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ASN1_SIMPLE(PKCS7_DIGEST, md, X509_ALGOR), |
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ASN1_SIMPLE(PKCS7_DIGEST, contents, PKCS7), |
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ASN1_SIMPLE(PKCS7_DIGEST, digest, ASN1_OCTET_STRING) |
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} ASN1_NDEF_SEQUENCE_END(PKCS7_DIGEST) |
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IMPLEMENT_ASN1_FUNCTIONS(PKCS7_DIGEST) |
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/* Specials for authenticated attributes */ |
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/* |
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* When signing attributes we want to reorder them to match the sorted |
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* encoding. |
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*/ |
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ASN1_ITEM_TEMPLATE(PKCS7_ATTR_SIGN) = |
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ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, PKCS7_ATTRIBUTES, X509_ATTRIBUTE) |
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ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_SIGN) |
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/* |
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* When verifying attributes we need to use the received order. So we use |
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* SEQUENCE OF and tag it to SET OF |
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*/ |
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ASN1_ITEM_TEMPLATE(PKCS7_ATTR_VERIFY) = |
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ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL, |
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V_ASN1_SET, PKCS7_ATTRIBUTES, X509_ATTRIBUTE) |
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ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_VERIFY) |
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IMPLEMENT_ASN1_PRINT_FUNCTION(PKCS7)
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