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Home » Hacking News » ProtWare HTML Guardian encryption weakness

ProtWare HTML Guardian encryption weakness

by Nikola Strahija on March 29th, 2003 The encryption scheme implemented in ProtWare HTML Guardian is using a simple bit shifting technique, which makes it trivial for attackers to reverse.


Vulnerable:
ProtWare HTML Guardian version 6.3 and prior to 6.3


Not vulnerable
ProtWare HTML Guardian version 6.4


Solution:
The latest version implements 384bit key encryption
which is not vulnerable to this flaw.
http://www.protware.com/


Discovered by:
rain_song, rain_song (at) hushmail.com


References:
Vendor homepage
- http://www.protware.com/


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