1/*
2 * Copyright (c) 2002,2005-2007,2010-2012,2014 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#ifndef	_TLS_HASHHMAC_H_
25#define _TLS_HASHHMAC_H_
26
27#include "tls_digest.h"
28#include "tls_hmac.h"
29
30#ifdef	__cplusplus
31extern "C" {
32#endif
33
34/*
35 * TLS addenda:
36 *	-- new struct HashHmacReference
37 *	-- structs which used to use HashReference now use HashHmacReference
38 *	-- new union HashHmacContext, used in CipherContext.
39 */
40
41typedef struct {
42    const HashReference	*hash;
43    const HMACReference	*hmac;
44} HashHmacReference;
45
46typedef union {
47    SSLBuffer			hashCtx;
48    HMACContextRef		hmacCtx;
49} HashHmacContext;
50
51/* these are declared in tls_hmac.c */
52extern const HashHmacReference HashHmacNull;
53extern const HashHmacReference HashHmacMD5;
54extern const HashHmacReference HashHmacSHA1;
55extern const HashHmacReference HashHmacSHA256;
56extern const HashHmacReference HashHmacSHA384;
57
58#ifdef	__cplusplus
59}
60#endif
61#endif	/* _TLS_HMAC_H_ */
62