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/*
* IF Scheme
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_IF_ALGO_H__
#define BOTAN_IF_ALGO_H__
#include <botan/if_core.h>
#include <botan/x509_key.h>
#include <botan/pkcs8.h>
namespace Botan {
/**
* This class represents public keys
* of integer factorization based (IF) public key schemes.
*/
class BOTAN_DLL IF_Scheme_PublicKey : public virtual Public_Key
{
public:
bool check_key(RandomNumberGenerator& rng, bool) const;
AlgorithmIdentifier algorithm_identifier() const;
MemoryVector<byte> x509_subject_public_key() const;
/**
* Get n = p * q.
* @return n
*/
const BigInt& get_n() const { return n; }
/**
* Get the public exponent used by the key.
* @return the public exponent
*/
const BigInt& get_e() const { return e; }
u32bit max_input_bits() const { return (n.bits() - 1); }
X509_Decoder* x509_decoder();
protected:
virtual void X509_load_hook();
BigInt n, e;
IF_Core core;
};
/**
* This class represents public keys
* of integer factorization based (IF) public key schemes.
*/
class BOTAN_DLL IF_Scheme_PrivateKey : public virtual IF_Scheme_PublicKey,
public virtual Private_Key
{
public:
bool check_key(RandomNumberGenerator& rng, bool) const;
/**
* Get the first prime p.
* @return the prime p
*/
const BigInt& get_p() const { return p; }
/**
* Get the second prime q.
* @return the prime q
*/
const BigInt& get_q() const { return q; }
/**
* Get d with exp * d = 1 mod (p - 1, q - 1).
* @return d
*/
const BigInt& get_d() const { return d; }
MemoryVector<byte> pkcs8_private_key() const;
PKCS8_Encoder* pkcs8_encoder() const;
PKCS8_Decoder* pkcs8_decoder(RandomNumberGenerator&);
protected:
virtual void PKCS8_load_hook(RandomNumberGenerator&, bool = false);
BigInt d, p, q, d1, d2, c;
};
}
#endif
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