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Everywhere: Hoist the Libraries folder to the top-level

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Timothy Flynn 2024-11-09 12:25:08 -05:00 • committed by Andreas Kling
commit 93712b24bf
Notes: github-actions[bot] 2024-11-10 11:51:52 +00:00
4547 changed files with 104 additions and 113 deletions
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Libraries/LibCrypto/BigInt/Algorithms/UnsignedBigIntegerAlgorithms.h Normal file
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/*
* Copyright (c) 2021, Dex♪ <dexes.ttp@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibCrypto/BigInt/UnsignedBigInteger.h>
namespace Crypto {
class UnsignedBigIntegerAlgorithms {
using Ops = AK::StorageOperations<UnsignedBigInteger::Word>;
public:
static void add_without_allocation(UnsignedBigInteger const& left, UnsignedBigInteger const& right, UnsignedBigInteger& output);
static void add_into_accumulator_without_allocation(UnsignedBigInteger& accumulator, UnsignedBigInteger const& value);
static void subtract_without_allocation(UnsignedBigInteger const& left, UnsignedBigInteger const& right, UnsignedBigInteger& output);
static void bitwise_or_without_allocation(UnsignedBigInteger const& left, UnsignedBigInteger const& right, UnsignedBigInteger& output);
static void bitwise_and_without_allocation(UnsignedBigInteger const& left, UnsignedBigInteger const& right, UnsignedBigInteger& output);
static void bitwise_xor_without_allocation(UnsignedBigInteger const& left, UnsignedBigInteger const& right, UnsignedBigInteger& output);
static void bitwise_not_fill_to_one_based_index_without_allocation(UnsignedBigInteger const& left, size_t, UnsignedBigInteger& output);
static void shift_left_without_allocation(UnsignedBigInteger const& number, size_t bits_to_shift_by, UnsignedBigInteger& temp_result, UnsignedBigInteger& temp_plus, UnsignedBigInteger& output);
static void shift_right_without_allocation(UnsignedBigInteger const& number, size_t num_bits, UnsignedBigInteger& output);
static void multiply_without_allocation(UnsignedBigInteger const& left, UnsignedBigInteger const& right, UnsignedBigInteger& temp_shift_result, UnsignedBigInteger& temp_shift_plus, UnsignedBigInteger& temp_shift, UnsignedBigInteger& output);
static void divide_without_allocation(UnsignedBigInteger const& numerator, UnsignedBigInteger const& denominator, UnsignedBigInteger& quotient, UnsignedBigInteger& remainder);
static void divide_u16_without_allocation(UnsignedBigInteger const& numerator, UnsignedBigInteger::Word denominator, UnsignedBigInteger& quotient, UnsignedBigInteger& remainder);
static void destructive_GCD_without_allocation(UnsignedBigInteger& temp_a, UnsignedBigInteger& temp_b, UnsignedBigInteger& temp_quotient, UnsignedBigInteger& temp_remainder, UnsignedBigInteger& output);
static void modular_inverse_without_allocation(UnsignedBigInteger const& a_, UnsignedBigInteger const& b, UnsignedBigInteger& temp_1, UnsignedBigInteger& temp_minus, UnsignedBigInteger& temp_quotient, UnsignedBigInteger& temp_d, UnsignedBigInteger& temp_u, UnsignedBigInteger& temp_v, UnsignedBigInteger& temp_x, UnsignedBigInteger& result);
static void destructive_modular_power_without_allocation(UnsignedBigInteger& ep, UnsignedBigInteger& base, UnsignedBigInteger const& m, UnsignedBigInteger& temp_1, UnsignedBigInteger& temp_2, UnsignedBigInteger& temp_3, UnsignedBigInteger& temp_multiply, UnsignedBigInteger& temp_quotient, UnsignedBigInteger& temp_remainder, UnsignedBigInteger& result);
static void montgomery_modular_power_with_minimal_allocations(UnsignedBigInteger const& base, UnsignedBigInteger const& exponent, UnsignedBigInteger const& modulo, UnsignedBigInteger& temp_z0, UnsignedBigInteger& temp_rr, UnsignedBigInteger& temp_one, UnsignedBigInteger& temp_z, UnsignedBigInteger& temp_zz, UnsignedBigInteger& temp_x, UnsignedBigInteger& temp_extra, UnsignedBigInteger& result);
private:
static UnsignedBigInteger::Word montgomery_fragment(UnsignedBigInteger& z, size_t offset_in_z, UnsignedBigInteger const& x, UnsignedBigInteger::Word y_digit, size_t num_words);
static void almost_montgomery_multiplication_without_allocation(UnsignedBigInteger const& x, UnsignedBigInteger const& y, UnsignedBigInteger const& modulo, UnsignedBigInteger& z, UnsignedBigInteger::Word k, size_t num_words, UnsignedBigInteger& result);
static void shift_left_by_n_words(UnsignedBigInteger const& number, size_t number_of_words, UnsignedBigInteger& output);
static void shift_right_by_n_words(UnsignedBigInteger const& number, size_t number_of_words, UnsignedBigInteger& output);
ALWAYS_INLINE static UnsignedBigInteger::Word shift_left_get_one_word(UnsignedBigInteger const& number, size_t num_bits, size_t result_word_index);
};
}