/*
 * rc4.h
 */

typedef struct rc4_key
{
	unsigned char state[256];
	unsigned char x;
	unsigned char y;
} rc4_key;

void prepare_key(unsigned char *key_data_ptr,int key_data_len,
	rc4_key *key);
void rc4(unsigned char *buffer_ptr,int buffer_len,rc4_key * key);