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/*
* Rabin-Williams
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_RW_H__
#define BOTAN_RW_H__
#include <botan/if_algo.h>
namespace Botan {
/*
* Rabin-Williams Public Key
*/
class BOTAN_DLL RW_PublicKey : public PK_Verifying_with_MR_Key,
public virtual IF_Scheme_PublicKey
{
public:
std::string algo_name() const { return "RW"; }
SecureVector<byte> verify(const byte[], u32bit) const;
RW_PublicKey(const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& key_bits) :
IF_Scheme_PublicKey(alg_id, key_bits) { X509_load_hook(); }
RW_PublicKey(const BigInt& mod, const BigInt& exponent);
protected:
RW_PublicKey() {}
BigInt public_op(const BigInt&) const;
};
/*
* Rabin-Williams Private Key
*/
class BOTAN_DLL RW_PrivateKey : public RW_PublicKey,
public PK_Signing_Key,
public IF_Scheme_PrivateKey
{
public:
SecureVector<byte> sign(const byte[], u32bit,
RandomNumberGenerator& rng) const;
bool check_key(RandomNumberGenerator& rng, bool) const;
RW_PrivateKey(const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& key_bits,
RandomNumberGenerator& rng) :
IF_Scheme_PrivateKey(alg_id, key_bits)
{
PKCS8_load_hook(rng);
}
RW_PrivateKey(RandomNumberGenerator& rng,
const BigInt&, const BigInt&, const BigInt&,
const BigInt& = 0, const BigInt& = 0);
RW_PrivateKey(RandomNumberGenerator& rng, u32bit bits, u32bit = 2);
};
}
#endif
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