-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+/* crypto/evp/p_verify.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * 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
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
*/
#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"
int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
unsigned int siglen, EVP_PKEY *pkey)
{
unsigned char m[EVP_MAX_MD_SIZE];
- unsigned int m_len = 0;
- int i = 0;
+ unsigned int m_len;
+ int i = 0, ok = 0, v;
+ EVP_MD_CTX tmp_ctx;
EVP_PKEY_CTX *pkctx = NULL;
- if (EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_FINALISE)) {
- if (!EVP_DigestFinal_ex(ctx, m, &m_len))
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx, ctx))
+ goto err;
+ if (!EVP_DigestFinal_ex(&tmp_ctx, &(m[0]), &m_len))
+ goto err;
+ EVP_MD_CTX_cleanup(&tmp_ctx);
+
+ if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
+ i = -1;
+ pkctx = EVP_PKEY_CTX_new(pkey, NULL);
+ if (!pkctx)
+ goto err;
+ if (EVP_PKEY_verify_init(pkctx) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
goto err;
- } else {
- int rv = 0;
- EVP_MD_CTX *tmp_ctx = EVP_MD_CTX_new();
- if (tmp_ctx == NULL) {
- EVPerr(EVP_F_EVP_VERIFYFINAL, ERR_R_MALLOC_FAILURE);
- return 0;
+ i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len);
+ err:
+ EVP_PKEY_CTX_free(pkctx);
+ return i;
+ }
+
+ for (i = 0; i < 4; i++) {
+ v = ctx->digest->required_pkey_type[i];
+ if (v == 0)
+ break;
+ if (pkey->type == v) {
+ ok = 1;
+ break;
}
- rv = EVP_MD_CTX_copy_ex(tmp_ctx, ctx);
- if (rv)
- rv = EVP_DigestFinal_ex(tmp_ctx, m, &m_len);
- EVP_MD_CTX_free(tmp_ctx);
- if (!rv)
- return 0;
+ }
+ if (!ok) {
+ EVPerr(EVP_F_EVP_VERIFYFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);
+ return (-1);
+ }
+ if (ctx->digest->verify == NULL) {
+ EVPerr(EVP_F_EVP_VERIFYFINAL, EVP_R_NO_VERIFY_FUNCTION_CONFIGURED);
+ return (0);
}
- i = -1;
- pkctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (pkctx == NULL)
- goto err;
- if (EVP_PKEY_verify_init(pkctx) <= 0)
- goto err;
- if (EVP_PKEY_CTX_set_signature_md(pkctx, EVP_MD_CTX_md(ctx)) <= 0)
- goto err;
- i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len);
- err:
- EVP_PKEY_CTX_free(pkctx);
- return i;
+ return (ctx->digest->verify(ctx->digest->type, m, m_len,
+ sigbuf, siglen, pkey->pkey.ptr));
}
projects / efi-boot-shim.git / blobdiff