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362 lines
13 KiB
C
362 lines
13 KiB
C
/* ocsp.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 <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/x509v3.h>
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/*-
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Example of new ASN1 code, OCSP request
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OCSPRequest ::= SEQUENCE {
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tbsRequest TBSRequest,
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optionalSignature [0] EXPLICIT Signature OPTIONAL }
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TBSRequest ::= SEQUENCE {
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version [0] EXPLICIT Version DEFAULT v1,
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requestorName [1] EXPLICIT GeneralName OPTIONAL,
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requestList SEQUENCE OF Request,
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requestExtensions [2] EXPLICIT Extensions OPTIONAL }
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Signature ::= SEQUENCE {
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signatureAlgorithm AlgorithmIdentifier,
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signature BIT STRING,
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certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
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Version ::= INTEGER { v1(0) }
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Request ::= SEQUENCE {
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reqCert CertID,
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singleRequestExtensions [0] EXPLICIT Extensions OPTIONAL }
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CertID ::= SEQUENCE {
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hashAlgorithm AlgorithmIdentifier,
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issuerNameHash OCTET STRING, -- Hash of Issuer's DN
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issuerKeyHash OCTET STRING, -- Hash of Issuers public key
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serialNumber CertificateSerialNumber }
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OCSPResponse ::= SEQUENCE {
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responseStatus OCSPResponseStatus,
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responseBytes [0] EXPLICIT ResponseBytes OPTIONAL }
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OCSPResponseStatus ::= ENUMERATED {
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successful (0), --Response has valid confirmations
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malformedRequest (1), --Illegal confirmation request
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internalError (2), --Internal error in issuer
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tryLater (3), --Try again later
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--(4) is not used
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sigRequired (5), --Must sign the request
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unauthorized (6) --Request unauthorized
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}
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ResponseBytes ::= SEQUENCE {
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responseType OBJECT IDENTIFIER,
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response OCTET STRING }
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BasicOCSPResponse ::= SEQUENCE {
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tbsResponseData ResponseData,
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signatureAlgorithm AlgorithmIdentifier,
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signature BIT STRING,
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certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }
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ResponseData ::= SEQUENCE {
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version [0] EXPLICIT Version DEFAULT v1,
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responderID ResponderID,
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producedAt GeneralizedTime,
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responses SEQUENCE OF SingleResponse,
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responseExtensions [1] EXPLICIT Extensions OPTIONAL }
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ResponderID ::= CHOICE {
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byName [1] Name, --EXPLICIT
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byKey [2] KeyHash }
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KeyHash ::= OCTET STRING --SHA-1 hash of responder's public key
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--(excluding the tag and length fields)
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SingleResponse ::= SEQUENCE {
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certID CertID,
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certStatus CertStatus,
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thisUpdate GeneralizedTime,
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nextUpdate [0] EXPLICIT GeneralizedTime OPTIONAL,
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singleExtensions [1] EXPLICIT Extensions OPTIONAL }
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CertStatus ::= CHOICE {
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good [0] IMPLICIT NULL,
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revoked [1] IMPLICIT RevokedInfo,
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unknown [2] IMPLICIT UnknownInfo }
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RevokedInfo ::= SEQUENCE {
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revocationTime GeneralizedTime,
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revocationReason [0] EXPLICIT CRLReason OPTIONAL }
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UnknownInfo ::= NULL -- this can be replaced with an enumeration
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ArchiveCutoff ::= GeneralizedTime
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AcceptableResponses ::= SEQUENCE OF OBJECT IDENTIFIER
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ServiceLocator ::= SEQUENCE {
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issuer Name,
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locator AuthorityInfoAccessSyntax }
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-- Object Identifiers
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id-kp-OCSPSigning OBJECT IDENTIFIER ::= { id-kp 9 }
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id-pkix-ocsp OBJECT IDENTIFIER ::= { id-ad-ocsp }
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id-pkix-ocsp-basic OBJECT IDENTIFIER ::= { id-pkix-ocsp 1 }
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id-pkix-ocsp-nonce OBJECT IDENTIFIER ::= { id-pkix-ocsp 2 }
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id-pkix-ocsp-crl OBJECT IDENTIFIER ::= { id-pkix-ocsp 3 }
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id-pkix-ocsp-response OBJECT IDENTIFIER ::= { id-pkix-ocsp 4 }
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id-pkix-ocsp-nocheck OBJECT IDENTIFIER ::= { id-pkix-ocsp 5 }
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id-pkix-ocsp-archive-cutoff OBJECT IDENTIFIER ::= { id-pkix-ocsp 6 }
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id-pkix-ocsp-service-locator OBJECT IDENTIFIER ::= { id-pkix-ocsp 7 }
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*/
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/* Request Structures */
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DECLARE_STACK_OF(Request)
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typedef struct {
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ASN1_INTEGER *version;
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GENERAL_NAME *requestorName;
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STACK_OF(Request) *requestList;
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STACK_OF(X509_EXTENSION) *requestExtensions;
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} TBSRequest;
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typedef struct {
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X509_ALGOR *signatureAlgorithm;
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ASN1_BIT_STRING *signature;
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STACK_OF(X509) *certs;
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} Signature;
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typedef struct {
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TBSRequest *tbsRequest;
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Signature *optionalSignature;
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} OCSPRequest;
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typedef struct {
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X509_ALGOR *hashAlgorithm;
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ASN1_OCTET_STRING *issuerNameHash;
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ASN1_OCTET_STRING *issuerKeyHash;
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ASN1_INTEGER *certificateSerialNumber;
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} CertID;
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typedef struct {
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CertID *reqCert;
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STACK_OF(X509_EXTENSION) *singleRequestExtensions;
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} Request;
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/* Response structures */
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typedef struct {
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ASN1_OBJECT *responseType;
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ASN1_OCTET_STRING *response;
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} ResponseBytes;
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typedef struct {
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ASN1_ENUMERATED *responseStatus;
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ResponseBytes *responseBytes;
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} OCSPResponse;
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typedef struct {
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int type;
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union {
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X509_NAME *byName;
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ASN1_OCTET_STRING *byKey;
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} d;
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} ResponderID;
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typedef struct {
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ASN1_INTEGER *version;
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ResponderID *responderID;
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ASN1_GENERALIZEDTIME *producedAt;
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STACK_OF(SingleResponse) *responses;
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STACK_OF(X509_EXTENSION) *responseExtensions;
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} ResponseData;
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typedef struct {
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ResponseData *tbsResponseData;
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X509_ALGOR *signatureAlgorithm;
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ASN1_BIT_STRING *signature;
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STACK_OF(X509) *certs;
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} BasicOCSPResponse;
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typedef struct {
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ASN1_GENERALIZEDTIME *revocationTime;
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ASN1_ENUMERATED *revocationReason;
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} RevokedInfo;
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typedef struct {
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int type;
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union {
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ASN1_NULL *good;
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RevokedInfo *revoked;
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ASN1_NULL *unknown;
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} d;
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} CertStatus;
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typedef struct {
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CertID *certID;
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CertStatus *certStatus;
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ASN1_GENERALIZEDTIME *thisUpdate;
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ASN1_GENERALIZEDTIME *nextUpdate;
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STACK_OF(X509_EXTENSION) *singleExtensions;
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} SingleResponse;
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typedef struct {
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X509_NAME *issuer;
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STACK_OF(ACCESS_DESCRIPTION) *locator;
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} ServiceLocator;
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/* Now the ASN1 templates */
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IMPLEMENT_COMPAT_ASN1(X509);
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IMPLEMENT_COMPAT_ASN1(X509_ALGOR);
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// IMPLEMENT_COMPAT_ASN1(X509_EXTENSION);
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IMPLEMENT_COMPAT_ASN1(GENERAL_NAME);
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IMPLEMENT_COMPAT_ASN1(X509_NAME);
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ASN1_SEQUENCE(X509_EXTENSION) = {
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ASN1_SIMPLE(X509_EXTENSION, object, ASN1_OBJECT),
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ASN1_OPT(X509_EXTENSION, critical, ASN1_BOOLEAN),
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ASN1_SIMPLE(X509_EXTENSION, value, ASN1_OCTET_STRING)
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} ASN1_SEQUENCE_END(X509_EXTENSION);
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ASN1_SEQUENCE(Signature) = {
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ASN1_SIMPLE(Signature, signatureAlgorithm, X509_ALGOR),
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ASN1_SIMPLE(Signature, signature, ASN1_BIT_STRING),
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ASN1_SEQUENCE_OF(Signature, certs, X509)
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} ASN1_SEQUENCE_END(Signature);
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ASN1_SEQUENCE(CertID) = {
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ASN1_SIMPLE(CertID, hashAlgorithm, X509_ALGOR),
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ASN1_SIMPLE(CertID, issuerNameHash, ASN1_OCTET_STRING),
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ASN1_SIMPLE(CertID, issuerKeyHash, ASN1_OCTET_STRING),
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ASN1_SIMPLE(CertID, certificateSerialNumber, ASN1_INTEGER)
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} ASN1_SEQUENCE_END(CertID);
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ASN1_SEQUENCE(Request) = {
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ASN1_SIMPLE(Request, reqCert, CertID),
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ASN1_EXP_SEQUENCE_OF_OPT(Request, singleRequestExtensions, X509_EXTENSION, 0)
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} ASN1_SEQUENCE_END(Request);
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ASN1_SEQUENCE(TBSRequest) = {
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ASN1_EXP_OPT(TBSRequest, version, ASN1_INTEGER, 0),
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ASN1_EXP_OPT(TBSRequest, requestorName, GENERAL_NAME, 1),
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ASN1_SEQUENCE_OF(TBSRequest, requestList, Request),
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ASN1_EXP_SEQUENCE_OF_OPT(TBSRequest, requestExtensions, X509_EXTENSION, 2)
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} ASN1_SEQUENCE_END(TBSRequest);
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ASN1_SEQUENCE(OCSPRequest) = {
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ASN1_SIMPLE(OCSPRequest, tbsRequest, TBSRequest),
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ASN1_EXP_OPT(OCSPRequest, optionalSignature, Signature, 0)
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} ASN1_SEQUENCE_END(OCSPRequest);
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/* Response templates */
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ASN1_SEQUENCE(ResponseBytes) = {
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ASN1_SIMPLE(ResponseBytes, responseType, ASN1_OBJECT),
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ASN1_SIMPLE(ResponseBytes, response, ASN1_OCTET_STRING)
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} ASN1_SEQUENCE_END(ResponseBytes);
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ASN1_SEQUENCE(OCSPResponse) = {
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ASN1_SIMPLE(OCSPResponse, responseStatus, ASN1_ENUMERATED),
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ASN1_EXP_OPT(OCSPResponse, responseBytes, ResponseBytes, 0)
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} ASN1_SEQUENCE_END(OCSPResponse);
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ASN1_CHOICE(ResponderID) = {
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ASN1_EXP(ResponderID, d.byName, X509_NAME, 1),
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ASN1_IMP(ResponderID, d.byKey, ASN1_OCTET_STRING, 2)
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} ASN1_CHOICE_END(ResponderID);
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ASN1_SEQUENCE(RevokedInfo) = {
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ASN1_SIMPLE(RevokedInfo, revocationTime, ASN1_GENERALIZEDTIME),
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ASN1_EXP_OPT(RevokedInfo, revocationReason, ASN1_ENUMERATED, 0)
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} ASN1_SEQUENCE_END(RevokedInfo);
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ASN1_CHOICE(CertStatus) = {
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ASN1_IMP(CertStatus, d.good, ASN1_NULL, 0),
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ASN1_IMP(CertStatus, d.revoked, RevokedInfo, 1),
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ASN1_IMP(CertStatus, d.unknown, ASN1_NULL, 2)
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} ASN1_CHOICE_END(CertStatus);
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ASN1_SEQUENCE(SingleResponse) = {
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ASN1_SIMPLE(SingleResponse, certID, CertID),
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ASN1_SIMPLE(SingleResponse, certStatus, CertStatus),
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ASN1_SIMPLE(SingleResponse, thisUpdate, ASN1_GENERALIZEDTIME),
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ASN1_EXP_OPT(SingleResponse, nextUpdate, ASN1_GENERALIZEDTIME, 0),
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ASN1_EXP_SEQUENCE_OF_OPT(SingleResponse, singleExtensions, X509_EXTENSION, 1)
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} ASN1_SEQUENCE_END(SingleResponse);
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ASN1_SEQUENCE(ResponseData) = {
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ASN1_EXP_OPT(ResponseData, version, ASN1_INTEGER, 0),
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ASN1_SIMPLE(ResponseData, responderID, ResponderID),
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ASN1_SIMPLE(ResponseData, producedAt, ASN1_GENERALIZEDTIME),
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ASN1_SEQUENCE_OF(ResponseData, responses, SingleResponse),
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ASN1_EXP_SEQUENCE_OF_OPT(ResponseData, responseExtensions, X509_EXTENSION, 1)
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} ASN1_SEQUENCE_END(ResponseData);
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ASN1_SEQUENCE(BasicOCSPResponse) = {
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ASN1_SIMPLE(BasicOCSPResponse, tbsResponseData, ResponseData),
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ASN1_SIMPLE(BasicOCSPResponse, signatureAlgorithm, X509_ALGOR),
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ASN1_SIMPLE(BasicOCSPResponse, signature, ASN1_BIT_STRING),
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ASN1_EXP_SEQUENCE_OF_OPT(BasicOCSPResponse, certs, X509, 0)
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} ASN1_SEQUENCE_END(BasicOCSPResponse);
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