1b8deb39b1
Batch #1234 by ragnarok-clanker: 0 byte-identical, 2 confirmed by peer review. - fn_04399 DecryptRijndael192: logic confirmed by peer review - fn_04400 DecryptRijndael256: logic confirmed by peer review Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
#ifndef RAGNAROK_SOURCE_UTILITY_CIPHER_RIJNDAEL_H
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#define RAGNAROK_SOURCE_UTILITY_CIPHER_RIJNDAEL_H
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class CRijndael {
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public:
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enum { ECB = 0, CBC = 1, CFB = 2 };
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enum { DEFAULT_BLOCK_SIZE = 16 };
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enum { MAX_BLOCK_SIZE = 32, MAX_ROUNDS = 14, MAX_KC = 8, MAX_BC = 8 };
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CRijndael();
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virtual ~CRijndael();
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void MakeKey(const char* key, const char* chain, int keyLength = DEFAULT_BLOCK_SIZE, int blockSize = DEFAULT_BLOCK_SIZE);
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void EncryptBlock(const char* in, char* result);
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void DecryptBlock(const char* in, char* result);
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void DefEncryptBlock(const char* in, char* result);
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void DefDecryptBlock(const char* in, char* result);
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void Xor(unsigned char* destination, const unsigned char* source);
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// INLINED
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inline int GetKeyLength() const {
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return this->m_keylength;
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}
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// INLINED
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inline int GetBlockSize() const {
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return this->m_blockSize;
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}
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// INLINED
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inline int GetRounds() const {
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return this->m_iROUNDS;
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}
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// INLINED
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inline void ResetChain() {
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for (int i = 0; i < this->m_blockSize; ++i) {
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this->m_chain[i] = this->m_chain0[i];
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}
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}
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static const char* sm_chain0;
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private:
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static const int sm_alog[256];
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static const int sm_log[256];
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static const signed char sm_S[256];
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static const signed char sm_Si[256];
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static const int sm_T1[256];
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static const int sm_T2[256];
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static const int sm_T3[256];
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static const int sm_T4[256];
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static const int sm_T5[256];
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static const int sm_T6[256];
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static const int sm_T7[256];
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static const int sm_T8[256];
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static const int sm_U1[256];
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static const int sm_U2[256];
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static const int sm_U3[256];
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static const int sm_U4[256];
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static const signed char sm_rcon[30];
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static const int sm_shifts[3][4][2];
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/* 0004 */ bool m_bKeyInit;
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/* 0008 */ int m_Ke[MAX_ROUNDS + 1][MAX_BC];
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/* 01E8 */ int m_Kd[MAX_ROUNDS + 1][MAX_BC];
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/* 03C8 */ int m_keylength;
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/* 03CC */ int m_blockSize;
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/* 03D0 */ int m_iROUNDS;
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/* 03D4 */ char m_chain0[MAX_BLOCK_SIZE];
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/* 03F4 */ char m_chain[MAX_BLOCK_SIZE];
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/* 0414 */ int tk[MAX_KC];
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/* 0434 */ int a[MAX_BC];
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/* 0454 */ int t[MAX_BC];
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};
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void DecryptRijndael192(const char* input, char* output);
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void DecryptRijndael256(const char* input, char* output);
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#if defined(_WIN32) && !defined(_WIN64)
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static_assert(sizeof(CRijndael) == 0x474);
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#endif
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#endif
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