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/*
* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/err.h>
#include <openssl/asn1t.h>
#include <openssl/cms.h>
#include <openssl/ess.h>
#include <openssl/x509v3.h>
#include "crypto/ess.h"
#include "crypto/cms.h"
/* ASN1 stuff for ESS Structure */
ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
} static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
IMPLEMENT_ASN1_FUNCTIONS(ESS_ISSUER_SERIAL)
IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
ASN1_SEQUENCE(ESS_CERT_ID) = {
ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
} static_ASN1_SEQUENCE_END(ESS_CERT_ID)
IMPLEMENT_ASN1_FUNCTIONS(ESS_CERT_ID)
IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
IMPLEMENT_ASN1_FUNCTIONS(ESS_SIGNING_CERT)
IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
ASN1_SEQUENCE(ESS_CERT_ID_V2) = {
ASN1_OPT(ESS_CERT_ID_V2, hash_alg, X509_ALGOR),
ASN1_SIMPLE(ESS_CERT_ID_V2, hash, ASN1_OCTET_STRING),
ASN1_OPT(ESS_CERT_ID_V2, issuer_serial, ESS_ISSUER_SERIAL)
} static_ASN1_SEQUENCE_END(ESS_CERT_ID_V2)
IMPLEMENT_ASN1_FUNCTIONS(ESS_CERT_ID_V2)
IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID_V2)
ASN1_SEQUENCE(ESS_SIGNING_CERT_V2) = {
ASN1_SEQUENCE_OF(ESS_SIGNING_CERT_V2, cert_ids, ESS_CERT_ID_V2),
ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT_V2, policy_info, POLICYINFO)
} static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT_V2)
IMPLEMENT_ASN1_FUNCTIONS(ESS_SIGNING_CERT_V2)
IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT_V2)
/* TODO the following two functions should be moved to ../cms/ */
/* No cms support means no CMS_SignerInfo* definitions */
#ifndef OPENSSL_NO_CMS
/*
* Returns 0 if attribute is not found, 1 if found,
* or -1 on attribute parsing failure.
*/
int ossl_cms_signerinfo_get_signing_cert_v2(const CMS_SignerInfo *si,
ESS_SIGNING_CERT_V2 **psc)
{
ASN1_STRING *str;
ESS_SIGNING_CERT_V2 *sc;
ASN1_OBJECT *obj = OBJ_nid2obj(NID_id_smime_aa_signingCertificateV2);
if (psc != NULL)
*psc = NULL;
str = CMS_signed_get0_data_by_OBJ(si, obj, -3, V_ASN1_SEQUENCE);
if (str == NULL)
return 0;
sc = ASN1_item_unpack(str, ASN1_ITEM_rptr(ESS_SIGNING_CERT_V2));
if (sc == NULL)
return -1;
if (psc != NULL)
*psc = sc;
else
ESS_SIGNING_CERT_V2_free(sc);
return 1;
}
/*
* Returns 0 if attribute is not found, 1 if found,
* or -1 on attribute parsing failure.
*/
int ossl_cms_signerinfo_get_signing_cert(const CMS_SignerInfo *si,
ESS_SIGNING_CERT **psc)
{
ASN1_STRING *str;
ESS_SIGNING_CERT *sc;
ASN1_OBJECT *obj = OBJ_nid2obj(NID_id_smime_aa_signingCertificate);
if (psc != NULL)
*psc = NULL;
str = CMS_signed_get0_data_by_OBJ(si, obj, -3, V_ASN1_SEQUENCE);
if (str == NULL)
return 0;
sc = ASN1_item_unpack(str, ASN1_ITEM_rptr(ESS_SIGNING_CERT));
if (sc == NULL)
return -1;
if (psc != NULL)
*psc = sc;
else
ESS_SIGNING_CERT_free(sc);
return 1;
}
#endif /* !OPENSSL_NO_CMS */
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