#ifndef _CODER_H
#define _CODER_H

typedef enum decoder_result_type {
        decoder_ok,
	decoder_nok
} decoder_result_type;

void
do_encode (int num_params, unsigned long * l1, unsigned long * l2,
                           unsigned long * sk1, unsigned long * sk2); 

decoder_result_type
do_decode (int num_params, unsigned long * l1, unsigned long * l2,
                           unsigned long sk1,  unsigned long sk2);
#endif