[tor-dev] RFC: obfs4 (Name not final)

[David Stainton]

>   obfs4 is ScrambleSuit with djb crypto.  Instead of obfs3 style
>   UniformDH and CTR-AES256/HMAC-SHA256, obfs4 uses a combination of
>   Curve25519, Elligator2, HMAC-SHA256, XSalsa20/Poly1305 and
>   SipHash-2-4.

Elligator... cool!

>  * Development was done with go1.2.x, older versions of the runtime are
>    not supported.

Did you get your builds to work with the deterministic build system?