qrpff is a Perl script created by Keith Winstein and Marc Horowitz of the MIT SIPB. It performs DeCSS in six or seven lines. The name itself is an encoding of `decss` in rot-13. In fact, two versions of qrpff exist: a short version (6 lines) and a fast version (7 lines). Both appear below. s``$/=2048;while{G=29;R=142;if((@a=unqT=`C*`,_)[20]...
Found on http://en.wikipedia.org/wiki/Qrpff
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