libsecurity_apple_csp/lib/SHA2_Object.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, 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
  25 /*
  26  * SHA2_Object.h - SHA2 digest objects
  27  *
  28  * Created 8/12/2004 by dmitch.
  29  */
  30
  31 #ifndef _SHA2_OBJECT_H_
  32 #define _SHA2_OBJECT_H_
  33
  34 #include <security_cdsa_utilities/digestobject.h>
  35 #include <CommonCrypto/CommonDigest.h>
  36
  37 class SHA224Object : public DigestObject
  38 {
  39 public:
  40         SHA224Object() { }
  41         virtual ~SHA224Object() { };
  42         virtual void digestInit();
  43         virtual void digestUpdate(
  44                 const void      *data,
  45                 size_t          len);
  46         virtual void digestFinal(
  47                 void            *digest);
  48         virtual DigestObject *digestClone() const;
  49         virtual size_t digestSizeInBytes() const;
  50 private:
  51         CC_SHA256_CTX           mCtx;
  52 };
  53
  54 class SHA256Object : public DigestObject
  55 {
  56 public:
  57         SHA256Object() { }
  58         virtual ~SHA256Object() { };
  59         virtual void digestInit();
  60         virtual void digestUpdate(
  61                 const void      *data,
  62                 size_t          len);
  63         virtual void digestFinal(
  64                 void            *digest);
  65         virtual DigestObject *digestClone() const;
  66         virtual size_t digestSizeInBytes() const;
  67 private:
  68         CC_SHA256_CTX           mCtx;
  69 };
  70
  71 class SHA384Object : public DigestObject
  72 {
  73 public:
  74         SHA384Object() { }
  75         virtual ~SHA384Object() { };
  76         virtual void digestInit();
  77         virtual void digestUpdate(
  78                 const void      *data,
  79                 size_t          len);
  80         virtual void digestFinal(
  81                 void            *digest);
  82         virtual DigestObject *digestClone() const;
  83         virtual size_t digestSizeInBytes() const;
  84 private:
  85         CC_SHA512_CTX           mCtx;
  86 };
  87
  88 class SHA512Object : public DigestObject
  89 {
  90 public:
  91         SHA512Object() { }
  92         virtual ~SHA512Object() { };
  93         virtual void digestInit();
  94         virtual void digestUpdate(
  95                 const void      *data,
  96                 size_t          len);
  97         virtual void digestFinal(
  98                 void            *digest);
  99         virtual DigestObject *digestClone() const;
 100         virtual size_t digestSizeInBytes() const;
 101 private:
 102         CC_SHA512_CTX           mCtx;
 103 };
 104
 105 #endif  /* _SHA2_OBJECT_H_ */