Re: [tor-dev] SipHash Impact on TCP ISN skew fingerprinting

2017-01-11 Thread Yawning Angel
On Wed, 11 Jan 2017 19:57:07 +0100 ban...@openmailbox.org wrote: > Its my guess that that timer values added in ISNs should now be > indistinguishable from the rest of the hashed secret outlined in > RFC-6528.[1] Can anyone knowledgeable in reading kernel code [2] > please confirm that this kills

[tor-dev] SipHash Impact on TCP ISN skew fingerprinting

2017-01-11 Thread bancfc
SipHash a fast PRF by DJB has been adopted upstream across the Linux networking stack landing in 4.11. It deprecates a lot of ancient and broken crypto like MD5 for initial sequence number hashes. Its my guess that that timer values added in ISNs should now be indistinguishable from the rest o