10#ifndef BOTAN_KYBER_MODERN_H_
11#define BOTAN_KYBER_MODERN_H_
13#include <botan/hash.h>
16#include <botan/internal/kyber_symmetric_primitives.h>
17#include <botan/internal/loadstor.h>
28 m_shake256_256(
HashFunction::create_or_throw(
"SHAKE-256(256)")),
29 m_shake128(
Botan::
XOF::create_or_throw(
"SHAKE-128")),
30 m_shake256(
Botan::
XOF::create_or_throw(
"SHAKE-256")) {}
41 m_shake256->update(seed);
46 std::unique_ptr<Botan::XOF>
get_XOF(std::span<const uint8_t> seed,
47 std::tuple<uint8_t, uint8_t> matrix_position)
const override {
48 auto xof = m_shake128->new_object();
50 xof->update(
store_be(
make_uint16(std::get<0>(matrix_position), std::get<1>(matrix_position))));
55 std::unique_ptr<HashFunction> m_sha3_512;
56 std::unique_ptr<HashFunction> m_sha3_256;
57 std::unique_ptr<HashFunction> m_shake256_256;
58 std::unique_ptr<Botan::XOF> m_shake128;
59 std::unique_ptr<Botan::XOF> m_shake256;
std::unique_ptr< Botan::XOF > get_XOF(std::span< const uint8_t > seed, std::tuple< uint8_t, uint8_t > matrix_position) const override
HashFunction & get_KDF() const override
HashFunction & get_G() const override
Botan::XOF & get_PRF(std::span< const uint8_t > seed, const uint8_t nonce) const override
HashFunction & get_H() const override
Kyber_Modern_Symmetric_Primitives()
constexpr auto store_be(ParamTs &&... params)
constexpr uint16_t make_uint16(uint8_t i0, uint8_t i1)