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/*************************************************
* EMSA Classes Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_PUBKEY_EMSA_H__
#define BOTAN_PUBKEY_EMSA_H__
#include <botan/secmem.h>
#include <botan/rng.h>
namespace Botan {
/*************************************************
* Encoding Method for Signatures, Appendix *
*************************************************/
class BOTAN_DLL EMSA
{
public:
virtual void update(const byte[], u32bit) = 0;
virtual SecureVector<byte> raw_data() = 0;
virtual SecureVector<byte> encoding_of(const MemoryRegion<byte>&,
u32bit,
RandomNumberGenerator& rng) = 0;
virtual bool verify(const MemoryRegion<byte>&, const MemoryRegion<byte>&,
u32bit) throw() = 0;
virtual ~EMSA() {}
};
}
#endif
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