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serenity/Userland/Libraries/LibCrypto/Checksum/Adler32.h
Brian Gianforcaro 1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00

38 lines
658 B
C++

/*
* Copyright (c) 2020, the SerenityOS developers
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Span.h>
#include <AK/Types.h>
#include <LibCrypto/Checksum/ChecksumFunction.h>
namespace Crypto::Checksum {
class Adler32 : public ChecksumFunction<u32> {
public:
Adler32() { }
Adler32(ReadonlyBytes data)
{
update(data);
}
Adler32(u32 initial_a, u32 initial_b, ReadonlyBytes data)
: m_state_a(initial_a)
, m_state_b(initial_b)
{
update(data);
}
void update(ReadonlyBytes data);
u32 digest();
private:
u32 m_state_a { 1 };
u32 m_state_b { 0 };
};
}