#ifndef CRAPTO1_H__
#define CRAPTO1_H__
#include <stdint.h>
+#include "bucketsort.h"
#ifdef __cplusplus
extern "C" {
#endif
struct Crypto1State* lfsr_recovery64(uint32_t ks2, uint32_t ks3);
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]);
-struct Crypto1State* lfsr_common_prefix_ex(uint32_t pfx, 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);
x ^= x >> 4;
return BIT(0x6996, x & 0xf);
#else
- __asm__( "movl %1, %%eax\n"
+ __asm__( "movl %1, %%eax\n"
"mov %%ax, %%cx\n"
"shrl $0x10, %%eax\n"
"xor %%ax, %%cx\n"
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;