Duckstation/src/common/sha1_digest.h

// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)

#pragma once
#include "types.h"
#include <string>

class SHA1Digest
{
public:
  enum : u32
  {
    DIGEST_SIZE = 20
  };

  SHA1Digest();

  void Update(const void* data, u32 len);
  void Final(u8 digest[DIGEST_SIZE]);
  void Reset();

  static std::string DigestToString(const u8 digest[DIGEST_SIZE]);

private:
  u32 state[5];
  u32 count[2];
  u8 buffer[64];
};