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1/*
2 * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
3 *
4 * The contents of this file constitute Original Code as defined in and are
5 * subject to the Apple Public Source License Version 1.2 (the 'License').
6 * You may not use this file except in compliance with the License. Please obtain
7 * a copy of the License at http://www.apple.com/publicsource and read it before
8 * using this file.
9 *
10 * This Original Code and all software distributed under the License are
11 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
12 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
13 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
14 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
15 * specific language governing rights and limitations under the License.
16 */
17
18
19/*
20 File: HMACSHA1.h
29654253 21 Contains: Apple Data Security Services HMAC{SHA1,MD5} function declaration.
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22 Copyright: (C) 1999 by Apple Computer, Inc., all rights reserved
23 Written by: Michael Brouwer <mb@apple.com>
24*/
25#ifndef __HMACSHA1__
26#define __HMACSHA1__
27
28#include <CoreServices/../Frameworks/CarbonCore.framework/Headers/MacTypes.h>
29#include <Security/cssmtype.h>
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30#include <MiscCSPAlgs/MD5.h>
31#include <MiscCSPAlgs/SHA1.h>
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32
33#ifdef __cplusplus
34extern "C" {
35#endif
36
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37#define kHMACSHA1DigestSize SHA1_DIGEST_SIZE
38#define kHMACMD5DigestSize MD5_DIGEST_SIZE
bac41a7b 39
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40/* This function create an HMACSHA1 digest of kHMACSHA1DigestSizestSize bytes
41 * and outputs it to resultPtr. See RFC 2104 for details. */
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42void
43hmacsha1 (const void *keyPtr, UInt32 keyLen,
44 const void *textPtr, UInt32 textLen,
45 void *resultPtr);
46
47/*
48 * Staged version.
49 *
29654253 50 * Opaque reference to an hmac session
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51 */
52struct hmacContext;
53typedef struct hmacContext *hmacContextRef;
54
55hmacContextRef hmacAlloc();
56void hmacFree(
57 hmacContextRef hmac);
58CSSM_RETURN hmacInit(
59 hmacContextRef hmac,
60 const void *keyPtr,
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61 UInt32 keyLen,
62 CSSM_BOOL sha1Digest); // true -> SHA1; false -> MD5
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63CSSM_RETURN hmacUpdate(
64 hmacContextRef hmac,
65 const void *textPtr,
66 UInt32 textLen);
67CSSM_RETURN hmacFinal(
68 hmacContextRef hmac,
69 void *resultPtr); // caller mallocs, must be kSHA1DigestSize bytes
70
71#ifdef __cplusplus
72}
73#endif
74
75#endif /* __HMACSHA1__ */