cms_asn1.c

OpenSSL 0.9.8k 最新版OpenSSL

/* crypto/cms/cms_asn1.c */
/* Written by Dr Stephen N Henson ([e-mail]) for the OpenSSL
 * project.
 */
/* ====================================================================
 * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    [e-mail].
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 */

#include <openssl/asn1t.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
#include "cms.h"
#include "cms_lcl.h"


ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = {
	ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME),
	ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER)
} ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber)

ASN1_SEQUENCE(CMS_OtherCertificateFormat) = {
	ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT),
	ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY)
} ASN1_SEQUENCE_END(CMS_OtherCertificateFormat)

ASN1_CHOICE(CMS_CertificateChoices) = {
	ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509),
	ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0),
	ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1),
	ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2),
	ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3)
} ASN1_CHOICE_END(CMS_CertificateChoices)

ASN1_CHOICE(CMS_SignerIdentifier) = {
	ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
	ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0)
} ASN1_CHOICE_END(CMS_SignerIdentifier)

ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = {
	ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT),
	ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0)
} ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo)

/* Minor tweak to operation: free up signer key, cert */
static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
	{
	if(operation == ASN1_OP_FREE_POST)
		{
		CMS_SignerInfo *si = (CMS_SignerInfo *)*pval;
		if (si->pkey)
			EVP_PKEY_free(si->pkey);
		if (si->signer)
			X509_free(si->signer);
		}
	return 1;
	}

ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = {
	ASN1_SIMPLE(CMS_SignerInfo, version, LONG),
	ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier),
	ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR),
	ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0),
	ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR),
	ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING),
	ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1)
} ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo)

ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = {
	ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT),
	ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY)
} ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat)

ASN1_CHOICE(CMS_RevocationInfoChoice) = {
	ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL),
	ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1)
} ASN1_CHOICE_END(CMS_RevocationInfoChoice)

ASN1_NDEF_SEQUENCE(CMS_SignedData) = {
	ASN1_SIMPLE(CMS_SignedData, version, LONG),
	ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR),
	ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo),
	ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
	ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1),
	ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo)
} ASN1_NDEF_SEQUENCE_END(CMS_SignedData)

ASN1_SEQUENCE(CMS_OriginatorInfo) = {
	ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0),
	ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1)
} ASN1_SEQUENCE_END(CMS_OriginatorInfo)

ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = {
	ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT),
	ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR),
	ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0)
} ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo)

ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = {
	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG),
	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier),
	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR),
	ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING)
} ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo)

ASN1_SEQUENCE(CMS_OtherKeyAttribute) = {
	ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT),
	ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY)
} ASN1_SEQUENCE_END(CMS_OtherKeyAttribute)

ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = {
	ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING),
	ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME),
	ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute)
} ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier)

ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = {
  ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber),
  ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0)
} ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier)

ASN1_SEQUENCE(CMS_RecipientEncryptedKey) = {
	ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier),
	ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING)
} ASN1_SEQUENCE_END(CMS_RecipientEncryptedKey)

ASN1_SEQUENCE(CMS_OriginatorPublicKey) = {
  ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR),
  ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING)
} ASN1_SEQUENCE_END(CMS_OriginatorPublicKey)