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  Program: GDCM (Grassroots DICOM). A DICOM library
  Module:  $URL$

  Copyright (c) 2006-2009 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

#ifndef __gdcmSHA1_h
#define __gdcmSHA1_h

#include "gdcmTypes.h"

namespace gdcm
class SHA1Internals;
 * \brief Class for SHA1 
 * \warning this class is able to pick from one implementation:
 * 1. the one from OpenSSL (when GDCM_USE_SYSTEM_OPENSSL is turned ON)
 * In all other cases it will return an error
00033 class GDCM_EXPORT SHA1
public :

  static bool Compute(const char *buffer, unsigned long buf_len, char digest_str[20*2+1]);

  static bool ComputeFile(const char *filename, char digest_str[20*2+1]);

  SHA1Internals *Internals;
  SHA1(const SHA1&);  // Not implemented.
  void operator=(const SHA1&);  // Not implemented.
} // end namespace gdcm
#endif //__gdcmSHA1_h

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