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scylladb/hashers.hh

52 lines
1.6 KiB
C++

/*
* Copyright (C) 2019-present ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "bytes.hh"
#include "hashing.hh"
class md5_hasher;
template <typename T, size_t size> class cryptopp_hasher : public hasher {
struct impl;
std::unique_ptr<impl> _impl;
public:
cryptopp_hasher();
~cryptopp_hasher();
cryptopp_hasher(cryptopp_hasher&&) noexcept;
cryptopp_hasher(const cryptopp_hasher&);
cryptopp_hasher& operator=(cryptopp_hasher&&) noexcept;
cryptopp_hasher& operator=(const cryptopp_hasher&);
bytes finalize();
std::array<uint8_t, size> finalize_array();
void update(const char* ptr, size_t length) noexcept override;
// Use update and finalize to compute the hash over the full view.
static bytes calculate(const std::string_view& s);
};
class md5_hasher final : public cryptopp_hasher<md5_hasher, 16> {};
class sha256_hasher final : public cryptopp_hasher<sha256_hasher, 32> {};