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#ifndef _RIJNDAEL_H_
#define _RIJNDAEL_H_
/**************************************************************************
* This code is based on Szymon Stefanek public domain AES implementation *
**************************************************************************/
#define _MAX_KEY_COLUMNS (256/32)
#define _MAX_ROUNDS 14
#define MAX_IV_SIZE 16
class Rijndael
{
private:
#ifdef USE_SSE
#ifdef __GNUC__
__attribute__((target("aes")))
#endif
void blockEncryptSSE(const byte *input,size_t numBlocks,byte *outBuffer);
#ifdef __GNUC__
__attribute__((target("aes")))
#endif
void blockDecryptSSE(const byte *input, size_t numBlocks, byte *outBuffer);
bool AES_NI;
#endif
#ifdef USE_NEON_AES
// In Android we must specify -march=armv8-a+crypto compiler switch
// to support Neon AES commands, "crypto" attribute seems to be optional.
__attribute__((target("+crypto")))
void blockEncryptNeon(const byte *input,size_t numBlocks,byte *outBuffer);
__attribute__((target("+crypto")))
void blockDecryptNeon(const byte *input, size_t numBlocks, byte *outBuffer);
bool AES_Neon;
#endif
void keySched(byte key[_MAX_KEY_COLUMNS][4]);
void keyEncToDec();
void GenerateTables();
// RAR always uses CBC, but we may need to turn it off when calling
// this code from other archive formats with CTR and other modes.
bool CBCMode;
int m_uRounds;
byte m_initVector[MAX_IV_SIZE];
byte m_expandedKey[_MAX_ROUNDS+1][4][4];
public:
Rijndael();
void Init(bool Encrypt,const byte *key,uint keyLen,const byte *initVector);
void blockEncrypt(const byte *input, size_t inputLen, byte *outBuffer);
void blockDecrypt(const byte *input, size_t inputLen, byte *outBuffer);
void SetCBCMode(bool Mode) {CBCMode=Mode;}
};
#endif // _RIJNDAEL_H_
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