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While Shamirpsilas identity-based public key cryptosystem does not need the certificates, the key escrow of userpsilas private keys is inherent in such scheme. In 2003,the concept of certificateless signature scheme was introduced. In this new paradigm, the necessity of certificates has been successfully removed and the key escrow problem does not exist. Based on the ideas of certificateless signatures...
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.