/* * Written by Tom Titchener for the OpenSSL * project. */ /* * History: This file was transfered to Richard Levitte from CertCo by Kathy * Weinhold in mid-spring 2000 to be included in OpenSSL or released as a * patch kit. */ /* ==================================================================== * Copyright (c) 1998-2000 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 * openssl-core@openssl.org. * * 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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ /*- CertID ::= SEQUENCE { * hashAlgorithm AlgorithmIdentifier, * issuerNameHash OCTET STRING, -- Hash of Issuer's DN * issuerKeyHash OCTET STRING, -- Hash of Issuers public key (excluding the tag & length fields) * serialNumber CertificateSerialNumber } */ struct ocsp_cert_id_st { X509_ALGOR hashAlgorithm; ASN1_OCTET_STRING issuerNameHash; ASN1_OCTET_STRING issuerKeyHash; ASN1_INTEGER serialNumber; }; /*- Request ::= SEQUENCE { * reqCert CertID, * singleRequestExtensions [0] EXPLICIT Extensions OPTIONAL } */ struct ocsp_one_request_st { OCSP_CERTID *reqCert; STACK_OF(X509_EXTENSION) *singleRequestExtensions; }; /*- TBSRequest ::= SEQUENCE { * version [0] EXPLICIT Version DEFAULT v1, * requestorName [1] EXPLICIT GeneralName OPTIONAL, * requestList SEQUENCE OF Request, * requestExtensions [2] EXPLICIT Extensions OPTIONAL } */ struct ocsp_req_info_st { ASN1_INTEGER *version; GENERAL_NAME *requestorName; STACK_OF(OCSP_ONEREQ) *requestList; STACK_OF(X509_EXTENSION) *requestExtensions; }; /*- Signature ::= SEQUENCE { * signatureAlgorithm AlgorithmIdentifier, * signature BIT STRING, * certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL } */ struct ocsp_signature_st { X509_ALGOR signatureAlgorithm; ASN1_BIT_STRING *signature; STACK_OF(X509) *certs; }; /*- OCSPRequest ::= SEQUENCE { * tbsRequest TBSRequest, * optionalSignature [0] EXPLICIT Signature OPTIONAL } */ struct ocsp_request_st { OCSP_REQINFO tbsRequest; OCSP_SIGNATURE *optionalSignature; /* OPTIONAL */ }; /*- OCSPResponseStatus ::= ENUMERATED { * successful (0), --Response has valid confirmations * malformedRequest (1), --Illegal confirmation request * internalError (2), --Internal error in issuer * tryLater (3), --Try again later * --(4) is not used * sigRequired (5), --Must sign the request * unauthorized (6) --Request unauthorized * } */ /*- ResponseBytes ::= SEQUENCE { * responseType OBJECT IDENTIFIER, * response OCTET STRING } */ struct ocsp_resp_bytes_st { ASN1_OBJECT *responseType; ASN1_OCTET_STRING *response; }; /*- OCSPResponse ::= SEQUENCE { * responseStatus OCSPResponseStatus, * responseBytes [0] EXPLICIT ResponseBytes OPTIONAL } */ struct ocsp_response_st { ASN1_ENUMERATED *responseStatus; OCSP_RESPBYTES *responseBytes; }; /*- ResponderID ::= CHOICE { * byName [1] Name, * byKey [2] KeyHash } */ struct ocsp_responder_id_st { int type; union { X509_NAME *byName; ASN1_OCTET_STRING *byKey; } value; }; /*- KeyHash ::= OCTET STRING --SHA-1 hash of responder's public key * --(excluding the tag and length fields) */ /*- RevokedInfo ::= SEQUENCE { * revocationTime GeneralizedTime, * revocationReason [0] EXPLICIT CRLReason OPTIONAL } */ struct ocsp_revoked_info_st { ASN1_GENERALIZEDTIME *revocationTime; ASN1_ENUMERATED *revocationReason; }; /*- CertStatus ::= CHOICE { * good [0] IMPLICIT NULL, * revoked [1] IMPLICIT RevokedInfo, * unknown [2] IMPLICIT UnknownInfo } */ struct ocsp_cert_status_st { int type; union { ASN1_NULL *good; OCSP_REVOKEDINFO *revoked; ASN1_NULL *unknown; } value; }; /*- SingleResponse ::= SEQUENCE { * certID CertID, * certStatus CertStatus, * thisUpdate GeneralizedTime, * nextUpdate [0] EXPLICIT GeneralizedTime OPTIONAL, * singleExtensions [1] EXPLICIT Extensions OPTIONAL } */ struct ocsp_single_response_st { OCSP_CERTID *certId; OCSP_CERTSTATUS *certStatus; ASN1_GENERALIZEDTIME *thisUpdate; ASN1_GENERALIZEDTIME *nextUpdate; STACK_OF(X509_EXTENSION) *singleExtensions; }; /*- ResponseData ::= SEQUENCE { * version [0] EXPLICIT Version DEFAULT v1, * responderID ResponderID, * producedAt GeneralizedTime, * responses SEQUENCE OF SingleResponse, * responseExtensions [1] EXPLICIT Extensions OPTIONAL } */ struct ocsp_response_data_st { ASN1_INTEGER *version; OCSP_RESPID responderId; ASN1_GENERALIZEDTIME *producedAt; STACK_OF(OCSP_SINGLERESP) *responses; STACK_OF(X509_EXTENSION) *responseExtensions; }; /*- BasicOCSPResponse ::= SEQUENCE { * tbsResponseData ResponseData, * signatureAlgorithm AlgorithmIdentifier, * signature BIT STRING, * certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL } */ /* * Note 1: The value for "signature" is specified in the OCSP rfc2560 as * follows: "The value for the signature SHALL be computed on the hash of * the DER encoding ResponseData." This means that you must hash the * DER-encoded tbsResponseData, and then run it through a crypto-signing * function, which will (at least w/RSA) do a hash-'n'-private-encrypt * operation. This seems a bit odd, but that's the spec. Also note that * the data structures do not leave anywhere to independently specify the * algorithm used for the initial hash. So, we look at the * signature-specification algorithm, and try to do something intelligent. * -- Kathy Weinhold, CertCo */ /* * Note 2: It seems that the mentioned passage from RFC 2560 (section * 4.2.1) is open for interpretation. I've done tests against another * responder, and found that it doesn't do the double hashing that the RFC * seems to say one should. Therefore, all relevant functions take a flag * saying which variant should be used. -- Richard Levitte, OpenSSL team * and CeloCom */ struct ocsp_basic_response_st { OCSP_RESPDATA tbsResponseData; X509_ALGOR signatureAlgorithm; ASN1_BIT_STRING *signature; STACK_OF(X509) *certs; }; /*- * CrlID ::= SEQUENCE { * crlUrl [0] EXPLICIT IA5String OPTIONAL, * crlNum [1] EXPLICIT INTEGER OPTIONAL, * crlTime [2] EXPLICIT GeneralizedTime OPTIONAL } */ struct ocsp_crl_id_st { ASN1_IA5STRING *crlUrl; ASN1_INTEGER *crlNum; ASN1_GENERALIZEDTIME *crlTime; }; /*- * ServiceLocator ::= SEQUENCE { * issuer Name, * locator AuthorityInfoAccessSyntax OPTIONAL } */ struct ocsp_service_locator_st { X509_NAME *issuer; STACK_OF(ACCESS_DESCRIPTION) *locator; };