// By Jack Lloyd

#ifndef BOTAN_EXT_SHA_160_ASM_H__
#define BOTAN_EXT_SHA_160_ASM_H__

#include <botan/mdx_hash.h>

struct SHA_CTX
   {
      Botan::u32bit h0,h1,h2,h3,h4;
      Botan::u32bit Nl,Nh;
      Botan::u32bit data[16];
      unsigned int num;
   };

namespace Botan {

/*************************************************
* SHA-160                                        *
*************************************************/
class SHA_160 : public MDx_HashFunction
   {
   public:
      void clear() throw();
      std::string name() const { return "SHA-160"; }
      HashFunction* clone() const { return new SHA_160; }
      SHA_160() : MDx_HashFunction(20, 64, true, true) { clear(); }
   private:
      void hash(const byte[]);
      void copy_out(byte[]);

      SHA_CTX ctx;
   };

}

#endif