#pragma once

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

void des_key_schedule(uint64_t key, uint64_t sk[16]);
uint64_t des_crypt(uint64_t block, const uint64_t sk[16], int decrypt);
uint64_t make_key(uint64_t index, uint32_t key_len, uint32_t charset_len, uint32_t pad_byte,
                  const uint8_t *charset);
int is_fill(uint64_t pt, const uint64_t *fills, uint32_t fill_count);
int des_selftest(void);

#ifdef __cplusplus
}
#endif