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/*************************************************
* EME Header File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#ifndef BOTAN_EME_H__
#define BOTAN_EME_H__
#include <botan/pk_util.h>
namespace Botan {
/*************************************************
* EME1 *
*************************************************/
class EME1 : public EME
{
public:
u32bit maximum_input_size(u32bit) const;
EME1(const std::string&, const std::string&, const std::string& = "");
~EME1() { delete mgf; }
private:
SecureVector<byte> pad(const byte[], u32bit, u32bit) const;
SecureVector<byte> unpad(const byte[], u32bit, u32bit) const;
const u32bit HASH_LENGTH;
SecureVector<byte> Phash;
MGF* mgf;
};
/*************************************************
* EME_PKCS1v15 *
*************************************************/
class EME_PKCS1v15 : public EME
{
public:
u32bit maximum_input_size(u32bit) const;
private:
SecureVector<byte> pad(const byte[], u32bit, u32bit) const;
SecureVector<byte> unpad(const byte[], u32bit, u32bit) const;
};
}
#endif
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