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