a47d20f8be
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.
Previous head: 35d2a8cb36
Payload SHA256: 592f016d2730c5593bb653aa054c1e5f76a6df72c8f5a09e66f74876e2e33dee
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
#ifndef RAGNAROK_SOURCE_UTILITY_RIJNDAEL_H
|
|
#define RAGNAROK_SOURCE_UTILITY_RIJNDAEL_H
|
|
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
|
|
class CRijndael {
|
|
public:
|
|
enum { ECB = 0, CBC = 1, CFB = 2 };
|
|
|
|
enum { DEFAULT_BLOCK_SIZE = 16 };
|
|
|
|
enum { MAX_BLOCK_SIZE = 32, MAX_ROUNDS = 14, MAX_KC = 8, MAX_BC = 8 };
|
|
|
|
CRijndael();
|
|
virtual ~CRijndael();
|
|
|
|
void MakeKey(const char* key, const char* chain, int keyLength = DEFAULT_BLOCK_SIZE, int blockSize = DEFAULT_BLOCK_SIZE);
|
|
|
|
void EncryptBlock(const char* in, char* result);
|
|
void DecryptBlock(const char* in, char* result);
|
|
void DefEncryptBlock(const char* in, char* result);
|
|
void DefDecryptBlock(const char* in, char* result);
|
|
void Xor(unsigned char* destination, const unsigned char* source);
|
|
|
|
inline int GetKeyLength() const {
|
|
return this->m_keylength;
|
|
}
|
|
|
|
inline int GetBlockSize() const {
|
|
return this->m_blockSize;
|
|
}
|
|
|
|
inline int GetRounds() const {
|
|
return this->m_iROUNDS;
|
|
}
|
|
|
|
inline void ResetChain() {
|
|
for (int i = 0; i < this->m_blockSize; ++i) {
|
|
this->m_chain[i] = this->m_chain0[i];
|
|
}
|
|
}
|
|
|
|
static const char* sm_chain0;
|
|
|
|
private:
|
|
static const int sm_alog[256];
|
|
static const int sm_log[256];
|
|
static const signed char sm_S[256];
|
|
static const signed char sm_Si[256];
|
|
static const int sm_T1[256];
|
|
static const int sm_T2[256];
|
|
static const int sm_T3[256];
|
|
static const int sm_T4[256];
|
|
static const int sm_T5[256];
|
|
static const int sm_T6[256];
|
|
static const int sm_T7[256];
|
|
static const int sm_T8[256];
|
|
static const int sm_U1[256];
|
|
static const int sm_U2[256];
|
|
static const int sm_U3[256];
|
|
static const int sm_U4[256];
|
|
static const signed char sm_rcon[30];
|
|
static const int sm_shifts[3][4][2];
|
|
|
|
/* 0004 */ bool m_bKeyInit;
|
|
/* 0008 */ int m_Ke[MAX_ROUNDS + 1][MAX_BC];
|
|
/* 01E8 */ int m_Kd[MAX_ROUNDS + 1][MAX_BC];
|
|
/* 03C8 */ int m_keylength;
|
|
/* 03CC */ int m_blockSize;
|
|
/* 03D0 */ int m_iROUNDS;
|
|
/* 03D4 */ char m_chain0[MAX_BLOCK_SIZE];
|
|
/* 03F4 */ char m_chain[MAX_BLOCK_SIZE];
|
|
/* 0414 */ int tk[MAX_KC];
|
|
/* 0434 */ int a[MAX_BC];
|
|
/* 0454 */ int t[MAX_BC];
|
|
};
|
|
|
|
#if defined(_WIN32) && !defined(_WIN64)
|
|
static_assert(sizeof(CRijndael) == 0x474);
|
|
#endif
|
|
|
|
#endif
|