1/* 2 * Copyright (c) 1999-2001,2005-2007,2010-2012,2014 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 * tls_digest.h - HashReference declarations 26 */ 27 28#ifndef _TLS_DIGEST_H_ 29#define _TLS_DIGEST_H_ 1 30 31#include "sslTypes.h" 32 33#ifdef __cplusplus 34extern "C" { 35#endif 36 37/* 38 * These numbers show up all over the place...might as well hard code 'em once. 39 */ 40#define SSL_MD5_DIGEST_LEN 16 41#define SSL_SHA1_DIGEST_LEN 20 42#define SSL_SHA256_DIGEST_LEN 32 43#define SSL_SHA384_DIGEST_LEN 48 44#define SSL_MAX_DIGEST_LEN 48 /* >= SSL_MD5_DIGEST_LEN + SSL_SHA1_DIGEST_LEN */ 45 46#define MAX_MAC_PADDING 48 /* MD5 MAC padding size = 48 bytes */ 47 48extern const uint8_t SSLMACPad1[], SSLMACPad2[]; 49 50typedef int (*HashInit)(SSLBuffer *digestCtx); 51typedef int (*HashUpdate)(SSLBuffer *digestCtx, const SSLBuffer *data); 52/* HashFinal also does HashClose */ 53typedef int (*HashFinal)(SSLBuffer *digestCtx, SSLBuffer *digest); 54typedef int (*HashClose)(SSLBuffer *digestCtx); 55typedef int (*HashClone)(const SSLBuffer *src, SSLBuffer *dest); 56 57typedef struct 58{ 59 uint32_t digestSize; 60 uint32_t macPadSize; 61 uint32_t contextSize; 62 HashInit init; 63 HashUpdate update; 64 HashFinal final; 65 HashClose close; 66 HashClone clone; 67} HashReference; 68 69extern const HashReference SSLHashNull; 70extern const HashReference SSLHashMD5; 71extern const HashReference SSLHashSHA1; 72extern const HashReference SSLHashSHA256; 73extern const HashReference SSLHashSHA384; 74 75 76#ifdef __cplusplus 77} 78#endif 79 80#endif /* _TLS_DIGEST_H_ */ 81