Configure: disable new trace api by default

[openssl.git] / crypto / cmac / cmac.c

diff --git a/crypto/cmac/cmac.c b/crypto/cmac/cmac.c
index 15634a79607f7f223ee2f50269ac00909d874e80..79936a59a21b5dac6ad33d9390700d3490a6dd17 100644 (file)
--- a/crypto/cmac/cmac.c
+++ b/crypto/cmac/cmac.c
@@ -1,55 +1,10 @@
-/* crypto/cmac/cmac.c */
 /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2010 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.
+ * Copyright 2010-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * 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.
- * ====================================================================
+ * 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>
@@ -57,6 +12,7 @@
 #include <string.h>
 #include "internal/cryptlib.h"
 #include <openssl/cmac.h>
+#include <openssl/err.h>
 
 struct CMAC_CTX_st {
     /* Cipher context to use */
@@ -91,9 +47,10 @@ CMAC_CTX *CMAC_CTX_new(void)
 {
     CMAC_CTX *ctx;
 
-    ctx = OPENSSL_malloc(sizeof(*ctx));
-    if (ctx == NULL)
+    if ((ctx = OPENSSL_malloc(sizeof(*ctx))) == NULL) {
+        CRYPTOerr(CRYPTO_F_CMAC_CTX_NEW, ERR_R_MALLOC_FAILURE);
         return NULL;
+    }
     ctx->cctx = EVP_CIPHER_CTX_new();
     if (ctx->cctx == NULL) {
         OPENSSL_free(ctx);
@@ -105,7 +62,7 @@ CMAC_CTX *CMAC_CTX_new(void)
 
 void CMAC_CTX_cleanup(CMAC_CTX *ctx)
 {
-    EVP_CIPHER_CTX_free(ctx->cctx);
+    EVP_CIPHER_CTX_reset(ctx->cctx);
     OPENSSL_cleanse(ctx->tbl, EVP_MAX_BLOCK_LENGTH);
     OPENSSL_cleanse(ctx->k1, EVP_MAX_BLOCK_LENGTH);
     OPENSSL_cleanse(ctx->k2, EVP_MAX_BLOCK_LENGTH);
@@ -123,6 +80,7 @@ void CMAC_CTX_free(CMAC_CTX *ctx)
     if (!ctx)
         return;
     CMAC_CTX_cleanup(ctx);
+    EVP_CIPHER_CTX_free(ctx->cctx);
     OPENSSL_free(ctx);
 }
 
@@ -157,7 +115,7 @@ int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
         ctx->nlast_block = 0;
         return 1;
     }
-    /* Initialiase context */
+    /* Initialise context */
     if (cipher && !EVP_EncryptInit_ex(ctx->cctx, cipher, impl, NULL, NULL))
         return 0;
     /* Non-NULL key means initialisation complete */
@@ -258,11 +216,11 @@ int CMAC_resume(CMAC_CTX *ctx)
     if (ctx->nlast_block == -1)
         return 0;
     /*
-     * The buffer "tbl" containes the last fully encrypted block which is the
+     * The buffer "tbl" contains the last fully encrypted block which is the
      * last IV (or all zeroes if no last encrypted block). The last block has
-     * not been modified since CMAC_final(). So reinitliasing using the last
+     * not been modified since CMAC_final(). So reinitialising using the last
      * decrypted block will allow CMAC to continue after calling
      * CMAC_Final().
      */
-    return M_EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, NULL, ctx->tbl);
+    return EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, NULL, ctx->tbl);
 }