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SPam over Internet Telephony (SPIT) is a potential source of future annoyance in Voice over IP (VoIP) systems. A typical way to launch a SPIT attack is the use of an automated procedure (i.e., bot), which generates calls and produces unsolicited audio messages. A known way to protect against SPAM is a Reverse Turing Test, called CAPTCHA (Completely Automated Public Turing Test to Tell Computer and...
The problem of system-to-system authentication with the use of a password can be effectively facilitated through the use of either a probabilistic protocol or a zero-knowledge model. A combination of these two into a zero-knowledge probabilistic protocol has been demonstrated to be an efficient alternative approach to this problem. In the present paper, this combined protocol is restructured into...
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.