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hashcat/include/cpu_des.h

51 lines
1.3 KiB

/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#ifndef _CPU_DES_H
#define _CPU_DES_H
#define PERM_OP(a,b,tt,n,m) \
{ \
tt = a >> n; \
tt = tt ^ b; \
tt = tt & m; \
b = b ^ tt; \
tt = tt << n; \
a = a ^ tt; \
}
#define HPERM_OP(a,tt,n,m) \
{ \
tt = a << (16 + n); \
tt = tt ^ a; \
tt = tt & m; \
a = a ^ tt; \
tt = tt >> (16 + n); \
a = a ^ tt; \
}
#define IP(l,r,tt) \
{ \
PERM_OP (r, l, tt, 4, 0x0f0f0f0f); \
PERM_OP (l, r, tt, 16, 0x0000ffff); \
PERM_OP (r, l, tt, 2, 0x33333333); \
PERM_OP (l, r, tt, 8, 0x00ff00ff); \
PERM_OP (r, l, tt, 1, 0x55555555); \
}
#define FP(l,r,tt) \
{ \
PERM_OP (l, r, tt, 1, 0x55555555); \
PERM_OP (r, l, tt, 8, 0x00ff00ff); \
PERM_OP (l, r, tt, 2, 0x33333333); \
PERM_OP (r, l, tt, 16, 0x0000ffff); \
PERM_OP (l, r, tt, 4, 0x0f0f0f0f); \
}
void _des_keysetup (const u32 data[2], u32 Kc[16], u32 Kd[16]);
void _des_encrypt (u32 data[2], const u32 Kc[16], const u32 Kd[16]);
#endif // _CPU_DES_H