Yeah, mine's Perl, and running on a slower processor, so the difference feels about right. Of course my main calculation is only one line: $hamming_dist = unp

Yeah, mine's Perl, and running on a slower processor, so the difference feels about right. Of course my main calculation is only one line: $hamming_dist = unpack("%160b*", sha1($attempt_phrase) ^ $challenge_sha); :)