-/*
- * Copyright (c) 2000-2001,2005-2008,2010-2012 Apple Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-/* THIS FILE CONTAINS KERNEL CODE */
-
-#include "symCipher.h"
-
-#include <string.h>
-
-const SSLSymmetricCipherParams SSLCipherNullParams = {
- .keyAlg = SSL_CipherAlgorithmNull,
- .ivSize = 0,
- .blockSize = 0,
- .keySize = 0,
- .cipherType = streamCipherType,
-};
-
-static int NullInit(
- const SSLSymmetricCipherParams *cipher,
- int encrypting,
- uint8_t *key,
- uint8_t *iv,
- SymCipherContext *cipherCtx)
-{
- return 0;
-}
-
-static int NullCrypt(
- const uint8_t *src,
- uint8_t *dest,
- size_t len,
- SymCipherContext cipherCt)
-{
- if (src != dest)
- memcpy(dest, src, len);
- return 0;
-}
-
-static int NullFinish(
- SymCipherContext cipherCtx)
-{
- return 0;
-}
-
-const SSLSymmetricCipher SSLCipherNull = {
- .params = &SSLCipherNullParams,
- .c.cipher = {
- .initialize = NullInit,
- .encrypt = NullCrypt,
- .decrypt = NullCrypt
- },
- .finish = NullFinish
-};