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Many password authentication schemes have been proposed for electronic commerce environment; however, none of them is secure enough. Hwang and Yeh proposed an improvement on the Peyravian-Zunic password authentication scheme including protected password transmission and password change. We demonstrate that the Hwang-Yeh scheme is also vulnerable to several kinds of attacks though the scheme has repaired...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.