/*
- * Written by Rob Stradling (rob@comodo.com) and Stephen Henson
- * (steve@openssl.org) for the OpenSSL project 2014.
- */
-/* ====================================================================
- * Copyright (c) 2014 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
- * licensing@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).
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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 <string.h>
SIGNATURE_TYPE_TREE_HASH
} SCT_SIGNATURE_TYPE;
-int CT_verify_no_bad_scts(const CT_POLICY_EVAL_CTX *ctx,
- const STACK_OF(SCT) *scts, void *arg)
-{
- int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
- int i;
-
- for (i = 0; i < sct_count; ++i) {
- SCT *sct = sk_SCT_value(scts, i);
-
- switch (SCT_get_validation_status(sct)) {
- case SCT_VALIDATION_STATUS_INVALID:
- return 0;
- case SCT_VALIDATION_STATUS_NOT_SET:
- CTerr(CT_F_CT_VERIFY_NO_BAD_SCTS,
- CT_R_SCT_VALIDATION_STATUS_NOT_SET);
- return -1;
- default:
- /* Ignore other validation statuses. */
- break;
- }
- }
-
- return 1;
-}
-
-int CT_verify_at_least_one_good_sct(const CT_POLICY_EVAL_CTX *ctx,
- const STACK_OF(SCT) *scts, void *arg)
-{
- int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
- int valid_scts = 0;
- int i;
-
- for (i = 0; i < sct_count; ++i) {
- SCT *sct = sk_SCT_value(scts, i);
-
- switch (SCT_get_validation_status(sct)) {
- case SCT_VALIDATION_STATUS_VALID:
- ++valid_scts;
- break;
- case SCT_VALIDATION_STATUS_INVALID:
- return 0;
- case SCT_VALIDATION_STATUS_NOT_SET:
- CTerr(CT_F_CT_VERIFY_AT_LEAST_ONE_GOOD_SCT,
- CT_R_SCT_VALIDATION_STATUS_NOT_SET);
- return -1;
- default:
- /* Ignore other validation statuses. */
- break;
- }
- }
-
- if (valid_scts == 0) {
- CTerr(CT_F_CT_VERIFY_AT_LEAST_ONE_GOOD_SCT, CT_R_NOT_ENOUGH_SCTS);
- return 0;
- }
-
- return 1;
-}
-
/*
* Update encoding for SCT signature verification/generation to supplied
* EVP_MD_CTX.
return 1;
}
-int SCT_verify(const SCT_CTX *sctx, const SCT *sct)
+int SCT_CTX_verify(const SCT_CTX *sctx, const SCT *sct)
{
EVP_MD_CTX *ctx = NULL;
int ret = 0;
if (!SCT_is_complete(sct) || sctx->pkey == NULL ||
sct->entry_type == CT_LOG_ENTRY_TYPE_NOT_SET ||
(sct->entry_type == CT_LOG_ENTRY_TYPE_PRECERT && sctx->ihash == NULL)) {
- CTerr(CT_F_SCT_VERIFY, CT_R_SCT_NOT_SET);
+ CTerr(CT_F_SCT_CTX_VERIFY, CT_R_SCT_NOT_SET);
return 0;
}
if (sct->version != SCT_VERSION_V1) {
- CTerr(CT_F_SCT_VERIFY, CT_R_SCT_UNSUPPORTED_VERSION);
+ CTerr(CT_F_SCT_CTX_VERIFY, CT_R_SCT_UNSUPPORTED_VERSION);
return 0;
}
if (sct->log_id_len != sctx->pkeyhashlen ||
memcmp(sct->log_id, sctx->pkeyhash, sctx->pkeyhashlen) != 0) {
- CTerr(CT_F_SCT_VERIFY, CT_R_SCT_LOG_ID_MISMATCH);
+ CTerr(CT_F_SCT_CTX_VERIFY, CT_R_SCT_LOG_ID_MISMATCH);
+ return 0;
+ }
+ if (sct->timestamp > sctx->epoch_time_in_ms) {
+ CTerr(CT_F_SCT_CTX_VERIFY, CT_R_SCT_FUTURE_TIMESTAMP);
return 0;
}
ret = EVP_DigestVerifyFinal(ctx, sct->sig, sct->sig_len);
/* If ret < 0 some other error: fall through without setting error */
if (ret == 0)
- CTerr(CT_F_SCT_VERIFY, CT_R_SCT_INVALID_SIGNATURE);
+ CTerr(CT_F_SCT_CTX_VERIFY, CT_R_SCT_INVALID_SIGNATURE);
end:
EVP_MD_CTX_free(ctx);
return ret;
}
-
-int SCT_verify_v1(SCT *sct, X509 *cert, X509 *preissuer,
- X509_PUBKEY *log_pubkey, X509 *issuer_cert)
-{
- int ret = 0;
- SCT_CTX *sctx = NULL;
-
- if (!SCT_is_complete(sct)) {
- CTerr(CT_F_SCT_VERIFY_V1, CT_R_SCT_NOT_SET);
- return 0;
- }
-
- if (sct->version != 0) {
- CTerr(CT_F_SCT_VERIFY_V1, CT_R_SCT_UNSUPPORTED_VERSION);
- return 0;
- }
-
- sctx = SCT_CTX_new();
- if (sctx == NULL)
- goto done;
-
- if (!SCT_CTX_set1_pubkey(sctx, log_pubkey))
- goto done;
-
- if (!SCT_CTX_set1_cert(sctx, cert, preissuer))
- goto done;
-
- if (sct->entry_type == CT_LOG_ENTRY_TYPE_PRECERT &&
- !SCT_CTX_set1_issuer(sctx, issuer_cert))
- goto done;
-
- ret = SCT_verify(sctx, sct);
-done:
- SCT_CTX_free(sctx);
- return ret;
-}