Welcome to the resource topic for 2002/184
Title:
Identity Based Authenticated Key Agreement Protocols from Pairings
Authors: Liqun Chen, Caroline Kudla
Abstract:We investigate a number of issues related to identity based
authenticated key agreement protocols using the Weil or Tate
pairings. These issues include how to make protocols efficient;
how to avoid key escrow by a Trust Authority (TA) who issues
identity based private keys for users, and how to allow users to
use different Trusted Authorities. We describe a few authenticated
key agreement (AK) protocols and AK with key confirmation (AKC)
protocols which are modified from Smart’s AK protocol.
We study the security of these protocols heuristically and using
provable security methods. In addition, we prove that our AK
protocol is immune to key compromise impersonation attacks, and we
also show that our second protocol has the TA forward secrecy
property (which we define to mean that the compromise of the TA’s
private key will not compromise previously established session
keys). We also show that this TA forward secrecy property implies
that the protocol has the perfect forward secrecy property.
ePrint: https://eprint.iacr.org/2002/184
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