has160.h

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/*
* HAS-160
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
 
#ifndef BOTAN_HAS_160_H__
#define BOTAN_HAS_160_H__
 
#include <botan/mdx_hash.h>
 
namespace Botan {
 
/**
* HAS-160, a Korean hash function standardized in
* TTAS.KO-12.0011/R1. Used in conjuction with KCDSA
*/
class BOTAN_DLL HAS_160 : public MDx_HashFunction
   {
   public:
      std::string name() const { return "HAS-160"; }
      size_t output_length() const { return 20; }
      HashFunction* clone() const { return new HAS_160; }
 
      void clear();
 
      HAS_160() : MDx_HashFunction(64, false, true), X(20), digest(5)
         { clear(); }
   private:
      void compress_n(const byte[], size_t blocks);
      void copy_out(byte[]);
 
      SecureVector<u32bit> X, digest;
   };
 
}
 
#endif