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/*************************************************
* DL Scheme Header File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#ifndef BOTAN_DL_ALGO_H__
#define BOTAN_DL_ALGO_H__
#include <botan/dl_group.h>
#include <botan/x509_key.h>
#include <botan/pkcs8.h>
namespace Botan {
/*************************************************
* DL Public Key *
*************************************************/
class DL_Scheme_PublicKey : public virtual X509_PublicKey
{
public:
bool check_key(bool) const;
const DL_Group& get_domain() const { return group; }
const BigInt& get_y() const { return y; }
virtual ~DL_Scheme_PublicKey() {}
protected:
const BigInt& group_p() const { return group.get_p(); }
const BigInt& group_q() const { return group.get_q(); }
const BigInt& group_g() const { return group.get_g(); }
BigInt y;
DL_Group group;
private:
MemoryVector<byte> DER_encode_pub() const;
MemoryVector<byte> DER_encode_params() const;
void BER_decode_pub(DataSource&);
void BER_decode_params(DataSource&);
virtual DL_Group::Format group_format() const = 0;
virtual void X509_load_hook() {}
};
/*************************************************
* DL Private Key *
*************************************************/
class DL_Scheme_PrivateKey : public virtual DL_Scheme_PublicKey,
public virtual PKCS8_PrivateKey
{
public:
bool check_key(bool) const;
const BigInt& get_x() const { return x; }
virtual ~DL_Scheme_PrivateKey() {}
protected:
BigInt x;
private:
SecureVector<byte> DER_encode_priv() const;
void BER_decode_priv(DataSource&);
virtual void PKCS8_load_hook() {}
};
}
#endif
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