Abstract:Password authentication over unreliable networks is the most popular method in the Internet and mobile communication environments. Lately, Peyravian and Jeffries proposed the password-based remote user authentication protocol, password change, and session key establishment over insecure networks without requiring and any additional privatekey or public-key infrastructure. However, Peyravian-Jeffries's protocols have the security flaws against off-line password guessing attacks and DOS attacks. In this paper we… Show more
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