SHA1HashAlgorithm.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* SHA1HashAlgorithm.h                                         (C) 2000-2023 */
/*                                                                           */
/* Calculates the SHA-1 hashing function.                                    */
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#ifndef ARCANE_UTILS_SHA1HASHALGORITHM_H
#define ARCANE_UTILS_SHA1HASHALGORITHM_H
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#include "arcane/utils/IHashAlgorithm.h"
#include "arcane/utils/String.h"
 
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namespace Arcane::SHA1Algorithm
{
class SHA1;
}
 
namespace Arcane
{
 
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/*!
 * \brief Implementation of the SHA-1 algorithm.
 */
class ARCANE_UTILS_EXPORT SHA1HashAlgorithm
: public IHashAlgorithm
{
 public:
 
  void computeHash(Span<const std::byte> input, HashAlgorithmValue& value) override;
  void computeHash(ByteConstArrayView input, ByteArray& output) override;
  void computeHash64(Span<const Byte> input, ByteArray& output) override;
  void computeHash64(Span<const std::byte> input, ByteArray& output) override;
  String name() const override { return "SHA1"; }
  Int32 hashSize() const override { return 20; }
  Ref<IHashAlgorithmContext> createContext() override;
  bool hasCreateContext() const override { return true; }
 
 private:
 
  void _computeHash64(Span<const std::byte> input, ByteArray& output);
  void _computeHash(Span<const std::byte> input, HashAlgorithmValue& value);
};
 
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} // namespace Arcane
 
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#endif