/usr/include/botan/if_op.h is in libbotan1.8-dev 1.8.13-4.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | /*
* IF Operations
* (C) 1999-2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_IF_OP_H__
#define BOTAN_IF_OP_H__
#include <botan/bigint.h>
#include <botan/pow_mod.h>
#include <botan/reducer.h>
namespace Botan {
/*
* IF Operation
*/
class BOTAN_DLL IF_Operation
{
public:
virtual BigInt public_op(const BigInt&) const = 0;
virtual BigInt private_op(const BigInt&) const = 0;
virtual IF_Operation* clone() const = 0;
virtual ~IF_Operation() {}
};
/*
* Default IF Operation
*/
class BOTAN_DLL Default_IF_Op : public IF_Operation
{
public:
BigInt public_op(const BigInt& i) const
{ return powermod_e_n(i); }
BigInt private_op(const BigInt&) const;
IF_Operation* clone() const { return new Default_IF_Op(*this); }
Default_IF_Op(const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&, const BigInt&,
const BigInt&, const BigInt&);
private:
Fixed_Exponent_Power_Mod powermod_e_n, powermod_d1_p, powermod_d2_q;
Modular_Reducer reducer;
BigInt c, q;
};
}
#endif
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