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RFC 8548
Title: Cryptographic Protection of TCP Streams (tcpcrypt)
Author: A. Bittau,
D. Giffin,
M. Handley,
D. Mazieres,
Q. Slack,
E. Smith
Status: Experimental
Stream: IETF
Date: May 2019
Mailbox: bit...@google.com,
dan...@beech-grove.net,
m.hand...@cs.ucl.ac.uk,
d...@uun.org,
s...@sourcegraph.com,
eric.sm...@kestrel.edu
Pages: 32
Characters: 75149
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-tcpinc-tcpcrypt-15.txt
URL: https://www.rfc-editor.org/info/rfc8548
DOI: 10.17487/RFC8548
This document specifies "tcpcrypt", a TCP encryption protocol
designed for use in conjunction with the TCP Encryption Negotiation
Option (TCP-ENO). Tcpcrypt coexists with middleboxes by tolerating
resegmentation, NATs, and other manipulations of the TCP header. The
protocol is self-contained and specifically tailored to TCP
implementations, which often reside in kernels or other environments
in which large external software dependencies can be undesirable.
Because the size of TCP options is limited, the protocol requires one
additional one-way message latency to perform key exchange before
application data can be transmitted. However, the extra latency can
be avoided between two hosts that have recently established a
previous tcpcrypt connection.
This document is a product of the TCP Increased Security Working Group of the
IETF.
EXPERIMENTAL: This memo defines an Experimental Protocol for the
Internet community. It does not specify an Internet standard of any
kind. Discussion and suggestions for improvement are requested.
Distribution of this memo is unlimited.
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