f90aef2edf
Batch #13629 by eAthena: 2 byte-identical, 0 confirmed by peer review. - fn_04016 myGPack::CGPakRead::ReadEntry: byte-identical (already on main) - fn_18131 myGPack::CGPakRead::DerivePakKey: byte-identical Merged automatically: every function is byte-identical to the original.
30 lines
954 B
C++
30 lines
954 B
C++
#ifndef RAGNAROK_SOURCE_ARCHIVE_PAKCIPHER_H
|
|
#define RAGNAROK_SOURCE_ARCHIVE_PAKCIPHER_H
|
|
|
|
#include <cstdint>
|
|
|
|
namespace myGPack {
|
|
|
|
class PakCipher {
|
|
public:
|
|
PakCipher();
|
|
explicit PakCipher(const std::uint8_t* key);
|
|
~PakCipher();
|
|
int DecodeBlock(int rounds, const std::uint8_t* input, std::uint8_t* output) const;
|
|
int Decode(const std::uint8_t* input, int length, std::uint8_t* output, int* outputLength, int cycle) const;
|
|
int DecodePrefix(const std::uint8_t* input, int length, std::uint8_t* output, int* outputLength) const;
|
|
|
|
private:
|
|
/* 0000 */ std::uint8_t m_roundKeys[16][8];
|
|
|
|
void BuildRoundKeys(const std::uint8_t* key);
|
|
};
|
|
|
|
static_assert(sizeof(PakCipher) == 128);
|
|
int InitialPermutation(std::uint8_t* block);
|
|
int FinalPermutation(std::uint8_t* block);
|
|
int EncodeBlock(int rounds, const std::uint8_t (*roundKeys)[8], std::uint32_t inputLow, std::uint32_t inputHigh, std::uint8_t* output);
|
|
|
|
}
|
|
|
|
#endif
|