SHA3HashAlgorithm.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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/* SHA3HashAlgorithm.h                                         (C) 2000-2023 */
/*                                                                           */
/* Calculates the SHA-3 hashing function (224, 256, 384 or 512).             */
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#ifndef ARCANE_UTILS_SHA3HASHALGORITHM_H
#define ARCANE_UTILS_SHA3HASHALGORITHM_H
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#include "arcane/utils/IHashAlgorithm.h"
#include "arcane/utils/String.h"
 
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namespace Arcane::SHA3Algorithm
{
class SHA3;
}
 
namespace Arcane
{
 
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/*!
 * \brief Base class for SHA-3 algorithms.
 */
class ARCANE_UTILS_EXPORT SHA3HashAlgorithm
: public IHashAlgorithm
{
 public:
 
  void computeHash(ByteConstArrayView input, ByteArray& output) final;
  void computeHash64(Span<const Byte> input, ByteArray& output) final;
  void computeHash64(Span<const std::byte> input, ByteArray& output) final;
 
 protected:
 
  virtual void _initialize(SHA3Algorithm::SHA3&) = 0;
 
 private:
 
  void _computeHash64(Span<const std::byte> input, ByteArray& output);
};
 
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//! Hash for the SHA-3 256 algorithm
class ARCANE_UTILS_EXPORT SHA3_256HashAlgorithm
: public SHA3HashAlgorithm
{
 public:
 
  String name() const override { return "SHA3_256"; }
  Int32 hashSize() const override { return 32; }
 
 protected:
 
  void _initialize(SHA3Algorithm::SHA3&) override;
};
 
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//! Hash for the SHA-3 224 algorithm
class ARCANE_UTILS_EXPORT SHA3_224HashAlgorithm
: public SHA3HashAlgorithm
{
 public:
 
  String name() const override { return "SHA3_224"; }
  Int32 hashSize() const override { return 28; }
 
 protected:
 
  void _initialize(SHA3Algorithm::SHA3&) override;
};
 
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//! Hash for the SHA-3 384 algorithm
class ARCANE_UTILS_EXPORT SHA3_384HashAlgorithm
: public SHA3HashAlgorithm
{
 public:
 
  String name() const override { return "SHA3_384"; }
  Int32 hashSize() const override { return 48; }
 
 protected:
 
  void _initialize(SHA3Algorithm::SHA3&) override;
};
 
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//! Hash for the SHA-3 512 algorithm
class ARCANE_UTILS_EXPORT SHA3_512HashAlgorithm
: public SHA3HashAlgorithm
{
 public:
 
  String name() const override { return "SHA3_512"; }
  Int32 hashSize() const override { return 64; }
 
 protected:
 
  void _initialize(SHA3Algorithm::SHA3&) override;
};
 
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} // namespace Arcane
 
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#endif