/* * 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@ */ #include "sslContext.h" #include <string.h> static OSStatus NullInit( uint8_t *key, uint8_t *iv, CipherContext *cipherCtx, SSLContext *ctx); static OSStatus NullCrypt( const uint8_t *src, uint8_t *dest, size_t len, CipherContext *cipherCtx, SSLContext *ctx); static OSStatus NullFinish( CipherContext *cipherCtx, SSLContext *ctx); extern const SSLSymmetricCipher SSLCipherNull; const SSLSymmetricCipher SSLCipherNull = { 0, /* Key size in bytes (ignoring parity) */ 0, /* Secret key size */ 0, /* IV size */ 0, /* Block size */ -1, /* CC cipher (unused by Null*) */ NullInit, NullCrypt, NullCrypt, NullFinish }; static OSStatus NullInit( uint8_t *key, uint8_t *iv, CipherContext *cipherCtx, SSLContext *ctx) { return noErr; } static OSStatus NullCrypt( const uint8_t *src, uint8_t *dest, size_t len, CipherContext *cipherCtx, SSLContext *ctx) { if (src != dest) memcpy(dest, src, len); return noErr; } static OSStatus NullFinish( CipherContext *cipherCtx, SSLContext *ctx) { return noErr; }