#ifndef CHACHA20_H
#define CHACHA20_H

#include <stdint.h>


int stream_ietf_ref_xor_ic(unsigned char *c, const unsigned char *m,
                       unsigned long long mlen, const unsigned char *n,
                       uint32_t ic, const unsigned char *k);

int stream_ref_xor_ic(unsigned char *c, const unsigned char *m,
                  unsigned long long mlen, const unsigned char *n, uint64_t ic,
                  const unsigned char *k);

#endif //CHACHA20_H