Security/libsecurity_apple_csp/lib/MD2Object.cpp

   1 /*
   2  * Copyright (c) 2000-2001,2011-2012,2014 Apple 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 obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * 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 EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18 /*
  19  * MD2Object.cpp
  20  */
  21 #include "MD2Object.h"
  22 #include <stdexcept>
  23 #include <string.h>
  24
  25 void MD2Object::digestInit()
  26 {
  27         setIsDone(false);
  28         CC_MD2_Init(&mCtx);
  29 }
  30
  31 void MD2Object::digestUpdate(
  32         const void      *data,
  33         size_t          len)
  34 {
  35         if(isDone()) {
  36                 throw std::runtime_error("MD2 digestUpdate after final");
  37         }
  38         CC_MD2_Update(&mCtx, (unsigned char *)data, (CC_LONG)len);
  39 }
  40
  41 void MD2Object::digestFinal(
  42         void            *digest)
  43 {
  44         if(isDone()) {
  45                 throw std::runtime_error("MD2 digestFinal after final");
  46         }
  47         CC_MD2_Final((unsigned char *)digest, &mCtx);
  48         setIsDone(true);
  49 }
  50
  51 /* use default memberwise init */
  52 DigestObject *MD2Object::digestClone() const
  53 {
  54         return new MD2Object(*this);
  55 }
  56
  57 CSSM_SIZE MD2Object::digestSizeInBytes() const
  58 {
  59         return CC_MD2_DIGEST_LENGTH;
  60 }
  61