37 lines
829 B
C++
37 lines
829 B
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2015-2018 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include <array>
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#include <cstdint>
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#include <cstddef>
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#include <cruft/util/std.hpp>
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#include <cruft/util/view.hpp>
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namespace cruft::crypto::block {
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/// An implementation of the "eXtended TEA" block cipher.
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///
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/// ref: http://en.wikipedia.org/wiki/XTEA
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class XTEA {
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public:
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using key_t = std::array<u32,4>;
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using word_t = u32;
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explicit XTEA (key_t);
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void encrypt (cruft::view<word_t*> data);
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void decrypt (cruft::view<word_t*> data);
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private:
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key_t m_key;
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};
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}
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