" If true, it could mean that the unmask.py tool written by Dave Aitel is mature enough to be of great use [ ... ] "

"Mature enough"? That's a strange way to describe something that was released five years ago and hasn't changed in any way whatsoever since then.

For reference, here's the changelog from unmask.py, in full.

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1.0

Released on Sep 09,2002

Features:

* stores, compares and identifies text. Works for me. :>

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