#ifndef ELEPHANT_200
#define ELEPHANT_200

#define BLOCK_SIZE 25
typedef unsigned char BYTE;
typedef unsigned long long SIZE;

void permutation(BYTE* state);

void lfsr_step(BYTE* output, BYTE* input);

void get_ad_block(BYTE* output, const BYTE* ad, SIZE adlen, const BYTE* npub, SIZE i);

void get_c_block(BYTE* output, const BYTE* c, SIZE clen, SIZE i);

#endif