Rc4.h

/* 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);