/usr/include/botan/reducer.h is in libbotan1.8-dev 1.8.13-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
* Modular Reducer
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_MODARITH_H__
#define BOTAN_MODARITH_H__
#include <botan/bigint.h>
namespace Botan {
/*
* Modular Reducer
*/
class BOTAN_DLL Modular_Reducer
{
public:
BigInt multiply(const BigInt&, const BigInt&) const;
BigInt square(const BigInt&) const;
BigInt reduce(const BigInt&) const;
bool initialized() const { return (mod_words != 0); }
Modular_Reducer() { mod_words = 0; }
Modular_Reducer(const BigInt&);
private:
BigInt modulus, modulus_2, mu;
u32bit mod_words, mod2_words, mu_words;
};
}
#endif
|