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[[ITU-T]] Recommendation '''X.1035''' specifies a [[password-authenticated key agreement]] protocol that ensures mutual authentication of two parties by using a [[Diffie–Hellman key exchange]] to establish a symmetric cryptographic key. The use of Diffie-Hellman exchange ensures perfect [[forward secrecy]]—a property of a key establishment protocol that guarantees that compromise of a session key or long-term private key after a given session does not cause the compromise of any earlier session.

In X.1035, the exchange is protected from the [[man-in-the-middle attack]]. The authentication relies on a pre-shared secret (e.g., password), which is protected (i.e., remains unrevealed) to an eavesdropper preventing an off-line dictionary attack.

The protocol can be used in a wide variety of applications including those with pre-shared secrets based on possibly weak passwords.

X.1035 was approved on 13 February 2007 by ITU-T Study Group 17.

==Applications==
[[G.hn]], an [[ITU-T]] standard that specifies high-speed (up to 1 Gbit/s) [[local area network]]ing over existing home wires (power lines, phone lines and coaxial cables), uses X.1035 for authentication and key exchange.

==Source==

[http://wikipedia.org/ http://wikipedia.org/]
[[Category:Protocol]]
[[Category:Security]]
[[Category:Exchanges]]

X.1035 - Revision history

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