/*************************************************
* X9.42 PRF Header File                          *
* (C) 1999-2007 Jack Lloyd                       *
*************************************************/

#ifndef BOTAN_ANSI_X942_PRF_H__
#define BOTAN_ANSI_X942_PRF_H__

#include <botan/kdf.h>

namespace Botan {

/*************************************************
* X9.42 PRF                                      *
*************************************************/
class BOTAN_DLL X942_PRF : public KDF
   {
   public:
      SecureVector<byte> derive(u32bit, const byte[], u32bit,
                                const byte[], u32bit) const;

      X942_PRF(const std::string&);
   private:
      std::string key_wrap_oid;
   };

}

#endif