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Format-Transforming Encryption

Project description

Requires: GMP 5.1.x (https://gmplib.org/), PyCrypto (https://www.dlitz.net/software/pycrypto/)

Format-Transforming Encryption (FTE) is a cryptographic primitive explored in the paper Protocol Misidentification Made Easy with Format-Transforming Encryption [1]. FTE allows a user to specify the format of their ouput ciphertexts using regular expressions. The libfte library implements the primitive presented in [1].

If you are interested in the proxy system that uses FTE to bypass DPI systems, please see fteproxy (https://github.com/kpdyer/fteproxy).

[1] Protocol Misidentification Made Easy with Format-Transforming Encryption, Kevin P. Dyer, Scott E. Coull, Thomas Ristenpart and Thomas Shrimpton, https://kpdyer.com/publications/ccs2013-fte.pdf

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