[TLS] I-D ACTION:draft-ietf-tls-renegotiation-03.txt

Internet-Drafts@ietf.org Tue, 05 January 2010 23:30 UTC

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Subject: [TLS] I-D ACTION:draft-ietf-tls-renegotiation-03.txt
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A New Internet-Draft is available from the on-line Internet-Drafts 
directories.
This draft is a work item of the Transport Layer Security Working Group of the IETF.

	Title		: Transport Layer Security (TLS) Renegotiation Indication Extension
	Author(s)	: E. Rescorla, N. Oskov, M. Ray, S. Dispensa
	Filename	: draft-ietf-tls-renegotiation-03.txt
	Pages		: 14
	Date		: 2010-1-5
	
SSL and TLS renegotiation are vulnerable to an attack in which the
   attacker forms a TLS connection with the target server, injects
   content of his choice, and then splices in a new TLS connection from
   a client.  The server treats the client's initial TLS handshake as a
   renegotiation and thus believes that the initial data transmitted by
   the attacker is from the same entity as the subsequent client data.
   This specification defines a TLS extension to cryptographically tie
   renegotiations to the TLS connections they are being performed over,
   thus preventing this attack.

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