43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_TEA_HPP
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#define __UTIL_TEA_HPP
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#include <array>
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#include <cstdint>
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#include <cstddef>
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namespace util::crypto {
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// http://en.wikipedia.org/wiki/XXTEA
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// 'corrected' block TEA
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class XXTEA {
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public:
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using key_t = std::array<uint32_t,4>;
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explicit XXTEA (key_t);
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void encrypt (uint32_t *restrict data, size_t count);
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void decrypt (uint32_t *restrict data, size_t count);
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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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#endif
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