A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Cryptographic protection of TCP Streams (tcpcrypt)
Authors : Andrea Bittau
Dan Boneh
Mike Hamburg
Mark Handley
David Mazieres
Quinn Slack
Filename : draft-bittau-tcp-crypt-04.txt
Pages : 51
Date : 2014-02-14
Abstract:
This document presents tcpcrypt, a TCP extension for
cryptographically protecting TCP segments. Tcpcrypt maintains the
confidentiality of data transmitted in TCP segments against a passive
eavesdropper. It protects connections against denial-of-service
attacks involving desynchronizing of sequence numbers, and when
enabled, against forged RST segments. Finally, applications that
perform authentication can obtain end-to-end confidentiality and
integrity guarantees by tying authentication to tcpcrypt Session ID
values.
The extension defines two new TCP options, CRYPT and MAC, which are
designed to provide compatible interworking with TCPs that do not
implement tcpcrypt. The CRYPT option allows hosts to negotiate the
use of tcpcrypt and establish shared secret encryption keys. The MAC
option carries a message authentication code with which hosts can
verify the integrity of transmitted TCP segments. Tcpcrypt is
designed to require relatively low overhead, particularly at servers,
so as to be useful even in the case of servers accepting many TCP
connections per second.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-bittau-tcp-crypt/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-bittau-tcp-crypt-04
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-bittau-tcp-crypt-04
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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