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/*=========================================================================

  Program: GDCM (Grassroots DICOM). A DICOM library

  Copyright (c) 2006-2011 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 GDCMMD5_H
#define GDCMMD5_H

#include "gdcmTypes.h"

namespace gdcm
{
//-----------------------------------------------------------------------------
/**
 * \brief Class for MD5
 *
 * \warning this class is able to pick from two implementations:
 *
 * 1. a lightweight md5 implementation (when GDCM_BUILD_TESTING is turned ON)
 * 2. the one from OpenSSL (when GDCM_USE_SYSTEM_OPENSSL is turned ON)
 *
 * In all other cases it will return an error
 */
class GDCM_EXPORT MD5
{
public :
  // Compute md5 from memory pointed by `pointer` of size `buf_len`
  static bool Compute(const char *buffer, size_t buf_len, char digest_str[33]);

  /// Compute md5 from a file `filename`
  static bool ComputeFile(const char *filename, char digest_str[33]);
};
} // end namespace gdcm
//-----------------------------------------------------------------------------
#endif //GDCMMD5_H