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Recently, Yu et al. proposed two identity based signcryption schemes, one is an identity based signcryption scheme for multiple receivers and the other is an identity based signcryption scheme without random oracles. They showed their former scheme is secure against adaptive chosen ciphertext attacks and unforgeable in the random oracle model, and the latter scheme is secure against adaptive chosen...
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.