/*
- * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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/pem.h>
#include <openssl/x509v3.h>
#include <openssl/ocsp.h>
-#include "ocsp_lcl.h"
+#include "ocsp_local.h"
/*
* Utility functions related to sending OCSP responses and extracting
return 1;
}
-int OCSP_basic_sign(OCSP_BASICRESP *brsp,
- X509 *signer, EVP_PKEY *key, const EVP_MD *dgst,
+/*
+ * Sign an OCSP response using the parameters contained in the digest context,
+ * set the responderID to the subject name in the signer's certificate, and
+ * include one or more optional certificates in the response.
+ */
+
+int OCSP_basic_sign_ctx(OCSP_BASICRESP *brsp,
+ X509 *signer, EVP_MD_CTX *ctx,
STACK_OF(X509) *certs, unsigned long flags)
{
int i;
OCSP_RESPID *rid;
+ EVP_PKEY *pkey;
+
+ if (ctx == NULL || EVP_MD_CTX_pkey_ctx(ctx) == NULL) {
+ OCSPerr(OCSP_F_OCSP_BASIC_SIGN_CTX, OCSP_R_NO_SIGNER_KEY);
+ goto err;
+ }
- if (!X509_check_private_key(signer, key)) {
- OCSPerr(OCSP_F_OCSP_BASIC_SIGN,
+ pkey = EVP_PKEY_CTX_get0_pkey(EVP_MD_CTX_pkey_ctx(ctx));
+ if (pkey == NULL || !X509_check_private_key(signer, pkey)) {
+ OCSPerr(OCSP_F_OCSP_BASIC_SIGN_CTX,
OCSP_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
goto err;
}
rid = &brsp->tbsResponseData.responderId;
if (flags & OCSP_RESPID_KEY) {
- unsigned char md[SHA_DIGEST_LENGTH];
- X509_pubkey_digest(signer, EVP_sha1(), md, NULL);
- if ((rid->value.byKey = ASN1_OCTET_STRING_new()) == NULL)
- goto err;
- if (!(ASN1_OCTET_STRING_set(rid->value.byKey, md, SHA_DIGEST_LENGTH)))
- goto err;
- rid->type = V_OCSP_RESPID_KEY;
- } else {
- if (!X509_NAME_set(&rid->value.byName, X509_get_subject_name(signer)))
+ if (!OCSP_RESPID_set_by_key(rid, signer))
goto err;
- rid->type = V_OCSP_RESPID_NAME;
+ } else if (!OCSP_RESPID_set_by_name(rid, signer)) {
+ goto err;
}
if (!(flags & OCSP_NOTIME) &&
* -- Richard Levitte
*/
- if (!OCSP_BASICRESP_sign(brsp, key, dgst, 0))
+ if (!OCSP_BASICRESP_sign_ctx(brsp, ctx, 0))
goto err;
return 1;
err:
return 0;
}
+
+int OCSP_basic_sign(OCSP_BASICRESP *brsp,
+ X509 *signer, EVP_PKEY *key, const EVP_MD *dgst,
+ STACK_OF(X509) *certs, unsigned long flags)
+{
+ EVP_MD_CTX *ctx = EVP_MD_CTX_new();
+ EVP_PKEY_CTX *pkctx = NULL;
+ int i;
+
+ if (ctx == NULL)
+ return 0;
+
+ if (!EVP_DigestSignInit(ctx, &pkctx, dgst, NULL, key)) {
+ EVP_MD_CTX_free(ctx);
+ return 0;
+ }
+ i = OCSP_basic_sign_ctx(brsp, signer, ctx, certs, flags);
+ EVP_MD_CTX_free(ctx);
+ return i;
+}
+
+int OCSP_RESPID_set_by_name(OCSP_RESPID *respid, X509 *cert)
+{
+ if (!X509_NAME_set(&respid->value.byName, X509_get_subject_name(cert)))
+ return 0;
+
+ respid->type = V_OCSP_RESPID_NAME;
+
+ return 1;
+}
+
+int OCSP_RESPID_set_by_key(OCSP_RESPID *respid, X509 *cert)
+{
+ ASN1_OCTET_STRING *byKey = NULL;
+ unsigned char md[SHA_DIGEST_LENGTH];
+
+ /* RFC2560 requires SHA1 */
+ if (!X509_pubkey_digest(cert, EVP_sha1(), md, NULL))
+ return 0;
+
+ byKey = ASN1_OCTET_STRING_new();
+ if (byKey == NULL)
+ return 0;
+
+ if (!(ASN1_OCTET_STRING_set(byKey, md, SHA_DIGEST_LENGTH))) {
+ ASN1_OCTET_STRING_free(byKey);
+ return 0;
+ }
+
+ respid->type = V_OCSP_RESPID_KEY;
+ respid->value.byKey = byKey;
+
+ return 1;
+}
+
+int OCSP_RESPID_match(OCSP_RESPID *respid, X509 *cert)
+{
+ if (respid->type == V_OCSP_RESPID_KEY) {
+ unsigned char md[SHA_DIGEST_LENGTH];
+
+ if (respid->value.byKey == NULL)
+ return 0;
+
+ /* RFC2560 requires SHA1 */
+ if (!X509_pubkey_digest(cert, EVP_sha1(), md, NULL))
+ return 0;
+
+ return (ASN1_STRING_length(respid->value.byKey) == SHA_DIGEST_LENGTH)
+ && (memcmp(ASN1_STRING_get0_data(respid->value.byKey), md,
+ SHA_DIGEST_LENGTH) == 0);
+ } else if (respid->type == V_OCSP_RESPID_NAME) {
+ if (respid->value.byName == NULL)
+ return 0;
+
+ return X509_NAME_cmp(respid->value.byName,
+ X509_get_subject_name(cert)) == 0;
+ }
+
+ return 0;
+}