libsecurity_ssl/lib/tls_hashhmac.h

   1 /*
   2  * Copyright (c) 2002,2005-2007,2010-2011 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
  31 extern "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
  41 typedef struct {
  42     const HashReference *hash;
  43     const HMACReference *hmac;
  44 } HashHmacReference;
  45
  46 typedef union {
  47     SSLBuffer                   hashCtx;
  48     HMACContextRef              hmacCtx;
  49 } HashHmacContext;
  50
  51 /* these are declared in tls_hmac.c */
  52 extern const HashHmacReference HashHmacNull;
  53 extern const HashHmacReference HashHmacMD5;
  54 extern const HashHmacReference HashHmacSHA1;
  55 extern const HashHmacReference HashHmacSHA256;
  56 extern const HashHmacReference HashHmacSHA384;
  57
  58 #ifdef  __cplusplus
  59 }
  60 #endif
  61 #endif  /* _TLS_HMAC_H_ */