File tripledes.h

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#ifndef QQMUSIC_DETAILS_TRIPLEDES_H
#define QQMUSIC_DETAILS_TRIPLEDES_H

#include <cstdint>
#include <qqmusic/utils/buffer.h>
#include <vector>

namespace qqmusic::details {
enum class tripledes_crypt_mode { encrypt, decrypt };

using tripledes_key_schedule = std::vector<std::vector<std::vector<uint32_t>>>;

// decrypt buf_in and append the result to the end of buf_out
void tripledes_crypt(qqmusic::utils::buffer& buf_in,
                     qqmusic::utils::buffer& buf_out,
                     tripledes_key_schedule key_schedule);

tripledes_key_schedule tripledes_key_setup(const uint8_t* key,
                                           size_t key_size,
                                           tripledes_crypt_mode mode);

} // namespace qqmusic::details

#endif // !QQMUSIC_DETAILS_TRIPLEDES_H