rodecomp/Source/Archive/PakCipher.h
ragnarok-clanker a47d20f8be Reconstruct readable C++ and organize cohesive source subsystems
Administrative source import: native x86 compilation passed for 423 authored units. Source placement and submission states are migrated separately; this commit does not imply peer acceptance.

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2026-10-25 07:42:41 +00:00

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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:
std::uint8_t m_roundKeys[16][8];
};
static_assert(sizeof(PakCipher) == 128);
std::uint8_t* __stdcall DerivePakKey(const char* name, std::uint8_t* key);
int __stdcall InitialPermutation(std::uint8_t* block);
int __stdcall FinalPermutation(std::uint8_t* block);
int __stdcall EncodeBlock(int rounds, const std::uint8_t (*roundKeys)[8], std::uint32_t inputLow, std::uint32_t inputHigh, std::uint8_t* output);
}
#endif