*/
#ifndef CRAPTO1_H__
#define CRAPTO1_H__
+
#include <stdint.h>
#include "bucketsort.h"
+
#ifdef __cplusplus
extern "C" {
#endif
uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd);
struct Crypto1State* lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8]);
+// douvan's no-parity function
+struct Crypto1State* lfsr_common_prefix_ex(uint32_t pfx, uint8_t ks[8]);
+
+
uint8_t lfsr_rollback_bit(struct Crypto1State* s, uint32_t in, int fb);
uint8_t lfsr_rollback_byte(struct Crypto1State* s, uint32_t in, int fb);
uint32_t lfsr_rollback_word(struct Crypto1State* s, uint32_t in, int fb);
static inline int filter(uint32_t const x)
{
uint32_t f;
-
f = 0xf22c0 >> (x & 0xf) & 16;
f |= 0x6c9c0 >> (x >> 4 & 0xf) & 8;
f |= 0x3c8b0 >> (x >> 8 & 0xf) & 4;