rsa.h

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#define	DATALENGTH	350

signed char R[DATALENGTH],PK[DATALENGTH],RsaKey[DATALENGTH]; 
signed char SK[DATALENGTH];
unsigned char DesKey[9];
int RsaOk;

int RsaPrePare(signed char *sk,signed char *pk,signed char *r);
int ReadRsaPk(int no,signed char *r,signed char *pk);
int WriteRsaPk(int no,signed char *r,signed char *pk);
int ReadRsaCiper(int no,signed char *ciper,char *deskey);
int WriteRsaCiper(int no,signed char *ciper,char *deskey);

int EncipherDesKey(char *deskey,signed char *r,signed char *pk,signed char *rsakey);
int DecipherDesKey(signed char *rsakey,signed char *r,signed char *sk,char *deskey);
int StrToByt(char *str,signed char *byt);
void BytToStr(signed char *byt,char *str);