Voip research papers pdf

The other strategy against DPI is the steganographic one: look like something the censor allows. fteproxy uses format-transforming encryption to encode data into strings that match a given regular expression, for example a regular-expression approximation of HTTP. StegoTorus transforms traffic to look like a cover protocol using a variety of special-purpose encoders. Code Talker Tunnel (formerly SkypeMorph) mimics a Skype video call. FreeWave encodes a stream as an acoustic signal and sends it over VoIP to a proxy. Dust uses encryption to hide static byte patterns and then shapes statistical features such as packet lengths and byte frequencies to match specified distributions.

Voip research papers pdf

voip research papers pdf

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