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/*
* (C) 2018 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_POINT_MUL_H_
#define BOTAN_POINT_MUL_H_
#include <botan/point_gfp.h>
namespace Botan {
static const size_t PointGFp_SCALAR_BLINDING_BITS = 80;
class PointGFp_Base_Point_Precompute
{
public:
PointGFp_Base_Point_Precompute(const PointGFp& base_point);
PointGFp mul(const BigInt& k,
RandomNumberGenerator& rng,
const BigInt& group_order,
std::vector<BigInt>& ws) const;
private:
std::vector<PointGFp> m_T;
};
class PointGFp_Var_Point_Precompute
{
public:
PointGFp_Var_Point_Precompute(const PointGFp& point);
void randomize_repr(RandomNumberGenerator& rng);
PointGFp mul(const BigInt& k,
RandomNumberGenerator& rng,
const BigInt& group_order,
std::vector<BigInt>& ws) const;
private:
size_t m_window_bits;
std::vector<PointGFp> m_U;
};
}
#endif
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