/* * 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 };