mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-22 08:08:10 +00:00
33 lines
819 B
C++
33 lines
819 B
C++
#ifndef _RAR_RS_
|
|
#define _RAR_RS_
|
|
|
|
#define MAXPAR 255 // Maximum parity data size.
|
|
#define MAXPOL 512 // Maximum polynomial degree.
|
|
|
|
class RSCoder
|
|
{
|
|
private:
|
|
void gfInit();
|
|
int gfMult(int a,int b);
|
|
void pnInit();
|
|
void pnMult(int *p1,int *p2,int *r);
|
|
|
|
int gfExp[MAXPOL]; // Galois field exponents.
|
|
int gfLog[MAXPAR+1]; // Galois field logarithms.
|
|
|
|
int GXPol[MAXPOL*2]; // Generator polynomial g(x).
|
|
|
|
int ErrorLocs[MAXPAR+1],ErrCount;
|
|
int Dnm[MAXPAR+1];
|
|
|
|
int ParSize; // Parity bytes size and so the number of recovery volumes.
|
|
int ELPol[MAXPOL]; // Error locator polynomial.
|
|
bool FirstBlockDone;
|
|
public:
|
|
void Init(int ParSize);
|
|
void Encode(byte *Data,int DataSize,byte *DestData);
|
|
bool Decode(byte *Data,int DataSize,int *EraLoc,int EraSize);
|
|
};
|
|
|
|
#endif
|