Writeup - letters2num

Writeup for letters2num:
[email protected], 2025-02-28

#!perl
while(<>) {
    chomp();
    $n=$_;
    $lo = $n & 0xff;
    $hi = $n >> 8;
    $clo = chr($lo);
    $chi = chr($hi);
    printf "0x%04x / 0x%02x | 0x%02x / %s%s / %d\n",
    $n, $lo, $hi, $chi, $clo, $n;
    $flag .= $chi . $clo;
}
print "Flag: $flag\n";

Usage:
% perl lnd.pl encflag.txt