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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/crypto/sha_block.h"
#include "mongo/util/make_array_type.h"
namespace mongo {
/**
* A Traits type for adapting SHABlock to sha256 hashes.
*/
struct SHA256BlockTraits {
using HashType = MakeArrayType<std::uint8_t, 32, SHA256BlockTraits>;
static constexpr StringData name = "SHA256Block"_sd;
static HashType computeHash(std::initializer_list<ConstDataRange> input);
static void computeHmac(const uint8_t* key,
size_t keyLen,
const uint8_t* input,
size_t inputLen,
HashType* const output);
};
using SHA256Block = SHABlock<SHA256BlockTraits>;
} // namespace mongo
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