Abstract
AbstractIn three‐party password‐based key exchange (3PAKE) protocol, a client is allowed to share a human‐memorable password with a trusted server such that two clients can agree on a secret session key for secure connectivity. Recently, many 3PAKE protocols have been developed. However, not all of them can simultaneously achieve security and efficiency. Without any server's public key, this article will propose a simple three‐party password‐based authenticated key exchange scheme. Compared with the existing schemes, the proposed scheme is not only more efficient, but also is secure. Copyright © 2009 John Wiley & Sons, Ltd.
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