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Re: XOR'ing calculate a hex checksum

by halley (Prior)
on Jan 28, 2008 at 17:32 UTC ( #664720=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my $total = 0;
    $total += $_ for @bytes;
    $check = ($total & 0xFF) ^ 0xFF;
    

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