AppleCSP/PBKDF2/pbkdDigest.h

   1 /*
   2  * Copyright (c) 2003 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
   7  * obtain a copy of the License at http://www.apple.com/publicsource and
   8  * read it before 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
  12  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  13  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  14  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  15  * Please see the License for the specific language governing rights and
  16  * limitations under the License.
  17  */
  18 /*
  19  * pbkdDigest.h - SHA1/MD5 digest object for HMAC and PBE routines
  20  */
  21
  22 #ifndef _PBKD_DIGEST_H_
  23 #define _PBKD_DIGEST_H_
  24
  25 #include <Security/cssmtype.h>
  26 #include <MiscCSPAlgs/MD5.h>
  27 #include <MiscCSPAlgs/SHA1.h>
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #define kSHA1DigestSize                 SHA1_DIGEST_SIZE
  34 #define kSHA1BlockSize                  SHA1_BLOCK_SIZE
  35
  36 #define kMD5DigestSize                  MD5_DIGEST_SIZE
  37 #define kMD5BlockSize                   MD5_BLOCK_SIZE
  38
  39
  40 typedef struct {
  41         union {
  42                 sha1Obj                         sha1Context;    // must be allocd via sha1Alloc
  43                 struct MD5Context       md5Context;
  44         } dig;
  45         CSSM_BOOL isSha1;
  46 } DigestCtx;
  47
  48 /* Ops on a DigestCtx */
  49 CSSM_RETURN DigestCtxInit(
  50         DigestCtx       *ctx,
  51         CSSM_BOOL       isSha1);
  52 void DigestCtxFree(
  53         DigestCtx       *ctx);
  54 void DigestCtxUpdate(
  55         DigestCtx       *ctx,
  56         const void      *textPtr,
  57         UInt32 textLen);
  58 void DigestCtxFinal(
  59         DigestCtx       *ctx,
  60         void            *digest);
  61
  62 #ifdef __cplusplus
  63 }
  64 #endif
  65
  66 #endif  /* _PBKD_DIGEST_H_ */
  67