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#!/bin/bash

orig=(01101101 01101001 01100100 01101110 01101001 01100111 01101000 01110100)
key=(01001101 01001101 01010100 01111110 01101111 01100001 01000000 00010100)

for i in "${!orig[@]}";do
    o=$(echo -n $((2#${orig[$i]})))
    k=$(echo -n $((2#${key[$i]})))
    echo $(($o ^ $k)) | xargs -n 1 | while read dec; do echo  "ibase=10;obase=2;$dec" | bc | tr "\n" " " | sed 's/^/0/g'; done

done