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#ifndef TIBIA_CRYPTO_HH_
#define TIBIA_CRYPTO_HH_ 1
#include "common.hh"
// TODO(fusion): We might want to scrap this implementation and use OpenSSL instead.
struct vlong_flex_unit{
uint32 n;
uint32 *a;
uint32 z;
};
struct vlong_value: vlong_flex_unit {
uint32 share;
};
struct vlong{
vlong_value *value;
int negative;
};
struct vlong_montgomery{
vlong R;
vlong R1;
vlong m;
vlong n1;
vlong T;
vlong k;
uint32 N;
};
struct TRSAPrivateKey{
TRSAPrivateKey(void);
~TRSAPrivateKey(void);
void init(const char *PrimeP, const char *PrimeQ);
void decrypt(uint8 *Data); // single 128 bytes block
// DATA
// =================
vlong m_PrimeP;
vlong m_PrimeQ;
vlong m_U;
vlong m_DP;
vlong m_DQ;
};
struct TXTEASymmetricKey{
TXTEASymmetricKey(void);
~TXTEASymmetricKey(void);
void init(TReadBuffer *Buffer);
void encrypt(uint8 *Data); // single 8 bytes block
void decrypt(uint8 *Data); // single 8 bytes block
// DATA
// =================
uint32 m_SymmetricKey[4];
};
#endif //TIBIA_CRYPTO_HH_
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