OSX/libsecurity_apple_csp/lib/SHA2_Object.cpp

   1 /*
   2  * Copyright (c) 2000-2004,2011-2012,2014 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.cpp - SHA2 digest objects
  27  */
  28
  29 #include "SHA2_Object.h"
  30 #include <stdexcept>
  31 #include <string.h>
  32
  33 /***
  34  *** SHA224
  35  ***/
  36 void SHA224Object::digestInit()
  37 {
  38         mIsDone = false;
  39         CC_SHA224_Init(&mCtx);
  40 }
  41
  42 void SHA224Object::digestUpdate(
  43         const void      *data,
  44         size_t          len)
  45 {
  46         CC_SHA224_Update(&mCtx, (const unsigned char *)data, (CC_LONG)len);
  47 }
  48
  49 void SHA224Object::digestFinal(
  50         void            *digest)
  51 {
  52         CC_SHA224_Final((unsigned char *)digest, &mCtx);
  53         mIsDone = true;
  54 }
  55
  56 /* use default memberwise init */
  57 DigestObject *SHA224Object::digestClone() const
  58 {
  59         return new SHA224Object(*this);
  60 }
  61
  62 size_t SHA224Object::digestSizeInBytes() const
  63 {
  64         return CC_SHA224_DIGEST_LENGTH;
  65 }
  66
  67 /***
  68  *** SHA256
  69  ***/
  70 void SHA256Object::digestInit()
  71 {
  72         mIsDone = false;
  73         CC_SHA256_Init(&mCtx);
  74 }
  75
  76 void SHA256Object::digestUpdate(
  77         const void      *data,
  78         size_t          len)
  79 {
  80         CC_SHA256_Update(&mCtx, (const unsigned char *)data, (CC_LONG)len);
  81 }
  82
  83 void SHA256Object::digestFinal(
  84         void            *digest)
  85 {
  86         CC_SHA256_Final((unsigned char *)digest, &mCtx);
  87         mIsDone = true;
  88 }
  89
  90 /* use default memberwise init */
  91 DigestObject *SHA256Object::digestClone() const
  92 {
  93         return new SHA256Object(*this);
  94 }
  95
  96 size_t SHA256Object::digestSizeInBytes() const
  97 {
  98         return CC_SHA256_DIGEST_LENGTH;
  99 }
 100
 101 /***
 102  *** SHA384
 103  ***/
 104 void SHA384Object::digestInit()
 105 {
 106         mIsDone = false;
 107         CC_SHA384_Init(&mCtx);
 108 }
 109
 110 void SHA384Object::digestUpdate(
 111         const void      *data,
 112         size_t          len)
 113 {
 114         CC_SHA384_Update(&mCtx, (const unsigned char *)data, (CC_LONG)len);
 115 }
 116
 117 void SHA384Object::digestFinal(
 118         void            *digest)
 119 {
 120         CC_SHA384_Final((unsigned char *)digest, &mCtx);
 121         mIsDone = true;
 122 }
 123
 124 /* use default memberwise init */
 125 DigestObject *SHA384Object::digestClone() const
 126 {
 127         return new SHA384Object(*this);
 128 }
 129
 130 size_t SHA384Object::digestSizeInBytes() const
 131 {
 132         return CC_SHA384_DIGEST_LENGTH;
 133 }
 134
 135 /***
 136  *** SHA512
 137  ***/
 138 void SHA512Object::digestInit()
 139 {
 140         mIsDone = false;
 141         CC_SHA512_Init(&mCtx);
 142 }
 143
 144 void SHA512Object::digestUpdate(
 145         const void      *data,
 146         size_t          len)
 147 {
 148         CC_SHA512_Update(&mCtx, (const unsigned char *)data, (CC_LONG)len);
 149 }
 150
 151 void SHA512Object::digestFinal(
 152         void            *digest)
 153 {
 154         CC_SHA512_Final((unsigned char *)digest, &mCtx);
 155         mIsDone = true;
 156 }
 157
 158 /* use default memberwise init */
 159 DigestObject *SHA512Object::digestClone() const
 160 {
 161         return new SHA512Object(*this);
 162 }
 163
 164 size_t SHA512Object::digestSizeInBytes() const
 165 {
 166         return CC_SHA512_DIGEST_LENGTH;
 167 }
 168