mirror of https://github.com/openssl/openssl
114 lines
3.2 KiB
C
114 lines
3.2 KiB
C
/*
|
|
* Copyright 2000-2021 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 <stdio.h>
|
|
#include "internal/cryptlib.h"
|
|
#include <openssl/objects.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/pem.h>
|
|
#include <openssl/x509v3.h>
|
|
#include <openssl/ocsp.h>
|
|
#include "ocsp_local.h"
|
|
#include <openssl/asn1t.h>
|
|
|
|
/* Convert a certificate and its issuer to an OCSP_CERTID */
|
|
|
|
OCSP_CERTID *OCSP_cert_to_id(const EVP_MD *dgst, const X509 *subject,
|
|
const X509 *issuer)
|
|
{
|
|
const X509_NAME *iname;
|
|
const ASN1_INTEGER *serial;
|
|
ASN1_BIT_STRING *ikey;
|
|
|
|
if (!dgst)
|
|
dgst = EVP_sha1();
|
|
if (subject) {
|
|
iname = X509_get_issuer_name(subject);
|
|
serial = X509_get0_serialNumber(subject);
|
|
} else {
|
|
iname = X509_get_subject_name(issuer);
|
|
serial = NULL;
|
|
}
|
|
ikey = X509_get0_pubkey_bitstr(issuer);
|
|
return OCSP_cert_id_new(dgst, iname, ikey, serial);
|
|
}
|
|
|
|
OCSP_CERTID *OCSP_cert_id_new(const EVP_MD *dgst,
|
|
const X509_NAME *issuerName,
|
|
const ASN1_BIT_STRING *issuerKey,
|
|
const ASN1_INTEGER *serialNumber)
|
|
{
|
|
int nid;
|
|
unsigned int i;
|
|
X509_ALGOR *alg;
|
|
OCSP_CERTID *cid = NULL;
|
|
unsigned char md[EVP_MAX_MD_SIZE];
|
|
|
|
if ((cid = OCSP_CERTID_new()) == NULL)
|
|
goto err;
|
|
|
|
alg = &cid->hashAlgorithm;
|
|
ASN1_OBJECT_free(alg->algorithm);
|
|
if ((nid = EVP_MD_type(dgst)) == NID_undef) {
|
|
ERR_raise(ERR_LIB_OCSP, OCSP_R_UNKNOWN_NID);
|
|
goto err;
|
|
}
|
|
if ((alg->algorithm = OBJ_nid2obj(nid)) == NULL)
|
|
goto err;
|
|
if ((alg->parameter = ASN1_TYPE_new()) == NULL)
|
|
goto err;
|
|
alg->parameter->type = V_ASN1_NULL;
|
|
|
|
if (!X509_NAME_digest(issuerName, dgst, md, &i))
|
|
goto digerr;
|
|
if (!(ASN1_OCTET_STRING_set(&cid->issuerNameHash, md, i)))
|
|
goto err;
|
|
|
|
/* Calculate the issuerKey hash, excluding tag and length */
|
|
if (!EVP_Digest(issuerKey->data, issuerKey->length, md, &i, dgst, NULL))
|
|
goto err;
|
|
|
|
if (!(ASN1_OCTET_STRING_set(&cid->issuerKeyHash, md, i)))
|
|
goto err;
|
|
|
|
if (serialNumber) {
|
|
if (ASN1_STRING_copy(&cid->serialNumber, serialNumber) == 0)
|
|
goto err;
|
|
}
|
|
return cid;
|
|
digerr:
|
|
ERR_raise(ERR_LIB_OCSP, OCSP_R_DIGEST_ERR);
|
|
err:
|
|
OCSP_CERTID_free(cid);
|
|
return NULL;
|
|
}
|
|
|
|
int OCSP_id_issuer_cmp(const OCSP_CERTID *a, const OCSP_CERTID *b)
|
|
{
|
|
int ret;
|
|
ret = OBJ_cmp(a->hashAlgorithm.algorithm, b->hashAlgorithm.algorithm);
|
|
if (ret)
|
|
return ret;
|
|
ret = ASN1_OCTET_STRING_cmp(&a->issuerNameHash, &b->issuerNameHash);
|
|
if (ret)
|
|
return ret;
|
|
return ASN1_OCTET_STRING_cmp(&a->issuerKeyHash, &b->issuerKeyHash);
|
|
}
|
|
|
|
int OCSP_id_cmp(const OCSP_CERTID *a, const OCSP_CERTID *b)
|
|
{
|
|
int ret;
|
|
ret = OCSP_id_issuer_cmp(a, b);
|
|
if (ret)
|
|
return ret;
|
|
return ASN1_INTEGER_cmp(&a->serialNumber, &b->serialNumber);
|
|
}
|
|
|
|
IMPLEMENT_ASN1_DUP_FUNCTION(OCSP_CERTID)
|