keys[$SECONDCOUNTER]=$(printf '%08X' $COUNTER)
    ciphertext[$SECONDCOUNTER]=$(./ml/encrypt -s ${keys[$SECONDCOUNTER]} E6150B6BDEF7018D)

    if [ $(( $SECONDCOUNTER % 50000 )) -eq 0 ]; then
        printf "%s %s\n" "${keys[@]}" "${ciphertext[@]}"> file.txt
        #echo $key " " $ciphertext >> ./28bit/28_encrypt.txt
        echo "Chiavi trovate: "$COUNTER
        let SECONDCOUNTER=0
    fi