Security/libsecurity_apple_csp/lib/SHA2_Object.h

   1 /*
   2  * Copyright (c) 2000-2004,2011,2014 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
  25 /*
  26  * SHA2_Object.h - SHA2 digest objects
  27  *
  28  */
  29
  30 #ifndef _SHA2_OBJECT_H_
  31 #define _SHA2_OBJECT_H_
  32
  33 #include <security_cdsa_utilities/digestobject.h>
  34 #include <CommonCrypto/CommonDigest.h>
  35
  36 class SHA224Object : public DigestObject
  37 {
  38 public:
  39         SHA224Object() { }
  40         virtual ~SHA224Object() { };
  41         virtual void digestInit();
  42         virtual void digestUpdate(
  43                 const void      *data,
  44                 size_t          len);
  45         virtual void digestFinal(
  46                 void            *digest);
  47         virtual DigestObject *digestClone() const;
  48         virtual size_t digestSizeInBytes() const;
  49 private:
  50         CC_SHA256_CTX           mCtx;
  51 };
  52
  53 class SHA256Object : public DigestObject
  54 {
  55 public:
  56         SHA256Object() { }
  57         virtual ~SHA256Object() { };
  58         virtual void digestInit();
  59         virtual void digestUpdate(
  60                 const void      *data,
  61                 size_t          len);
  62         virtual void digestFinal(
  63                 void            *digest);
  64         virtual DigestObject *digestClone() const;
  65         virtual size_t digestSizeInBytes() const;
  66 private:
  67         CC_SHA256_CTX           mCtx;
  68 };
  69
  70 class SHA384Object : public DigestObject
  71 {
  72 public:
  73         SHA384Object() { }
  74         virtual ~SHA384Object() { };
  75         virtual void digestInit();
  76         virtual void digestUpdate(
  77                 const void      *data,
  78                 size_t          len);
  79         virtual void digestFinal(
  80                 void            *digest);
  81         virtual DigestObject *digestClone() const;
  82         virtual size_t digestSizeInBytes() const;
  83 private:
  84         CC_SHA512_CTX           mCtx;
  85 };
  86
  87 class SHA512Object : public DigestObject
  88 {
  89 public:
  90         SHA512Object() { }
  91         virtual ~SHA512Object() { };
  92         virtual void digestInit();
  93         virtual void digestUpdate(
  94                 const void      *data,
  95                 size_t          len);
  96         virtual void digestFinal(
  97                 void            *digest);
  98         virtual DigestObject *digestClone() const;
  99         virtual size_t digestSizeInBytes() const;
 100 private:
 101         CC_SHA512_CTX           mCtx;
 102 };
 103
 104 #endif  /* _SHA2_OBJECT_H_ */