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Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/m_sigver.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/evp/m_sigver.c140
1 files changed, 87 insertions, 53 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/m_sigver.c b/Cryptlib/OpenSSL/crypto/evp/m_sigver.c
index 3b74f722..4492d207 100644
--- a/Cryptlib/OpenSSL/crypto/evp/m_sigver.c
+++ b/Cryptlib/OpenSSL/crypto/evp/m_sigver.c
@@ -1,18 +1,67 @@
+/* m_sigver.c */
/*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006,2007 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).
*
- * 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 <stdio.h>
-#include "internal/cryptlib.h"
+#include "cryptlib.h"
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
-#include "internal/evp_int.h"
#include "evp_locl.h"
static int do_sigver_init(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
@@ -79,20 +128,17 @@ int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
size_t *siglen)
{
- int sctx = 0, r = 0;
+ int sctx, r = 0;
EVP_PKEY_CTX *pctx = ctx->pctx;
if (pctx->pmeth->flags & EVP_PKEY_FLAG_SIGCTX_CUSTOM) {
+ EVP_PKEY_CTX *dctx;
if (!sigret)
return pctx->pmeth->signctx(pctx, sigret, siglen, ctx);
- if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE)
- r = pctx->pmeth->signctx(pctx, sigret, siglen, ctx);
- else {
- EVP_PKEY_CTX *dctx = EVP_PKEY_CTX_dup(ctx->pctx);
- if (!dctx)
- return 0;
- r = dctx->pmeth->signctx(dctx, sigret, siglen, ctx);
- EVP_PKEY_CTX_free(dctx);
- }
+ dctx = EVP_PKEY_CTX_dup(ctx->pctx);
+ if (!dctx)
+ return 0;
+ r = dctx->pmeth->signctx(dctx, sigret, siglen, ctx);
+ EVP_PKEY_CTX_free(dctx);
return r;
}
if (pctx->pmeth->signctx)
@@ -100,24 +146,18 @@ int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
else
sctx = 0;
if (sigret) {
+ EVP_MD_CTX tmp_ctx;
unsigned char md[EVP_MAX_MD_SIZE];
- unsigned int mdlen = 0;
- if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
- if (sctx)
- r = ctx->pctx->pmeth->signctx(ctx->pctx, sigret, siglen, ctx);
- else
- r = EVP_DigestFinal_ex(ctx, md, &mdlen);
- } else {
- EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
- if (tmp_ctx == NULL || !EVP_MD_CTX_copy_ex(tmp_ctx, ctx))
- return 0;
- if (sctx)
- r = tmp_ctx->pctx->pmeth->signctx(tmp_ctx->pctx,
- sigret, siglen, tmp_ctx);
- else
- r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);
- EVP_MD_CTX_free(tmp_ctx);
- }
+ unsigned int mdlen;
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
+ return 0;
+ if (sctx)
+ r = tmp_ctx.pctx->pmeth->signctx(tmp_ctx.pctx,
+ sigret, siglen, &tmp_ctx);
+ else
+ r = EVP_DigestFinal_ex(&tmp_ctx, md, &mdlen);
+ EVP_MD_CTX_cleanup(&tmp_ctx);
if (sctx || !r)
return r;
if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, md, mdlen) <= 0)
@@ -138,31 +178,25 @@ int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
size_t siglen)
{
+ EVP_MD_CTX tmp_ctx;
unsigned char md[EVP_MAX_MD_SIZE];
- int r = 0;
- unsigned int mdlen = 0;
- int vctx = 0;
+ int r;
+ unsigned int mdlen;
+ int vctx;
if (ctx->pctx->pmeth->verifyctx)
vctx = 1;
else
vctx = 0;
- if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE) {
- if (vctx) {
- r = ctx->pctx->pmeth->verifyctx(ctx->pctx, sig, siglen, ctx);
- } else
- r = EVP_DigestFinal_ex(ctx, md, &mdlen);
- } else {
- EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
- if (tmp_ctx == NULL || !EVP_MD_CTX_copy_ex(tmp_ctx, ctx))
- return -1;
- if (vctx) {
- r = tmp_ctx->pctx->pmeth->verifyctx(tmp_ctx->pctx,
- sig, siglen, tmp_ctx);
- } else
- r = EVP_DigestFinal_ex(tmp_ctx, md, &mdlen);
- EVP_MD_CTX_free(tmp_ctx);
- }
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
+ return -1;
+ if (vctx) {
+ r = tmp_ctx.pctx->pmeth->verifyctx(tmp_ctx.pctx,
+ sig, siglen, &tmp_ctx);
+ } else
+ r = EVP_DigestFinal_ex(&tmp_ctx, md, &mdlen);
+ EVP_MD_CTX_cleanup(&tmp_ctx);
if (vctx || !r)
return r;
return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen);
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-30 09:21:52 +0000