AppleCSP/PBKDF2/HMACSHA1.h

   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
  21         Contains:       Apple Data Security Services HMAC{SHA1,MD5} function declaration.
  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>
  30 #include <MiscCSPAlgs/MD5.h>
  31 #include <MiscCSPAlgs/SHA1.h>
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 #define kHMACSHA1DigestSize     SHA1_DIGEST_SIZE
  38 #define kHMACMD5DigestSize              MD5_DIGEST_SIZE
  39
  40 /* This function create an HMACSHA1 digest of kHMACSHA1DigestSizestSize bytes
  41  * and outputs it to resultPtr.  See RFC 2104 for details.  */
  42 void
  43 hmacsha1 (const void *keyPtr, UInt32 keyLen,
  44                   const void *textPtr, UInt32 textLen,
  45                   void *resultPtr);
  46
  47 /*
  48  * Staged version.
  49  *
  50  * Opaque reference to an hmac session
  51  */
  52 struct hmacContext;
  53 typedef struct hmacContext *hmacContextRef;
  54
  55 hmacContextRef hmacAlloc();
  56 void hmacFree(
  57         hmacContextRef hmac);
  58 CSSM_RETURN hmacInit(
  59         hmacContextRef hmac,
  60         const void *keyPtr,
  61         UInt32 keyLen,
  62         CSSM_BOOL sha1Digest);          // true -> SHA1; false -> MD5
  63 CSSM_RETURN hmacUpdate(
  64         hmacContextRef hmac,
  65         const void *textPtr,
  66         UInt32 textLen);
  67 CSSM_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__ */