SkypeHide, Hide MSG's In Silence

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Freak
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SkypeHide, Hide MSG's In Silence

Postby Freak » Wed Jan 09, 2013 9:46 pm

Polish security researchers have come up with a cunning method to transmit hidden messages using the silence packets transmitted during a Skype call.

The VoIP service transmits voice data in 130-byte packets, and silences in 70-byte packets, a difference that creates a potential means to conceal a hidden encrypted message in the latter. The novel form of steganography was devised by Wojciech Mazurczyk, Krysztof Szczypiorski and Maciej Karaœ, researchers at the Institute of Telecommunications of the Warsaw University of Technology.


Ref
http://www.theregister.co.uk/2013/01/09/skype_stego/

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