1/* 2 * Copyright (c) 1999-2001,2005-2008,2011-2012,2014 Apple Inc. All Rights Reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24/* 25 * cryptType.h - CipherSpec and CipherContext structures 26 */ 27 28#ifndef _CRYPTTYPE_H_ 29#define _CRYPTTYPE_H_ 1 30 31// #include <Security/CipherSuite.h> 32#include "tls_hmac.h" 33#include "tls_hashhmac.h" 34#include "symCipher.h" 35 36#ifdef __cplusplus 37extern "C" { 38#endif 39 40/* 41 * An SSLRecordContext contains four of these - one for each of {read,write} and for 42 * {current, pending}. 43 */ 44typedef struct CipherContext 45{ 46 const HashHmacReference *macRef; /* HMAC (TLS) or digest (SSL) */ 47 const SSLSymmetricCipher *symCipher; 48 49 /* this is a context which is reused once per record */ 50 HashHmacContext macCtx; 51 /* 52 * Crypto context (eg: for CommonCrypto-based symmetric ciphers, this will be a CCCryptorRef) 53 */ 54 SymCipherContext cipherCtx; 55 56 /* encrypt or decrypt. needed in CDSASymmInit, may not be needed anymore (TODO)*/ 57 uint8_t encrypting; 58 59 uint64_t sequenceNum; 60 uint8_t ready; 61 62 /* in SSL2 mode, the macSecret is the same size as the 63 * cipher key - which is 24 bytes in the 3DES case. */ 64 uint8_t macSecret[48 /* SSL_MAX_DIGEST_LEN */]; 65} CipherContext; 66 67#ifdef __cplusplus 68} 69#endif 70 71#endif /* _CRYPTTYPE_H_ */ 72