25 lines
553 B
C
25 lines
553 B
C
#ifndef _SPN_H
|
|
#define _SPN_H
|
|
|
|
void calc_inv_perm(unsigned char perm[8],unsigned char inv_perm[8]);
|
|
void calc_inv_subst(unsigned char subst[16],unsigned char inv_subst[16]);
|
|
|
|
unsigned char do_perm(unsigned char w,unsigned char perm[8]);
|
|
unsigned char do_subst(unsigned char w,unsigned char subst[16]);
|
|
|
|
unsigned char encrypt(
|
|
unsigned char w,
|
|
unsigned int key,
|
|
unsigned char perm[8],
|
|
unsigned char subst[16]
|
|
);
|
|
|
|
unsigned char decrypt(
|
|
unsigned char w,
|
|
unsigned int key,
|
|
unsigned char perm[8],
|
|
unsigned char subst[16]
|
|
);
|
|
|
|
#endif
|