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RSA is a popular public key cryptology for encryption and signing messages. In 2008, Harn and Ren introduced a new identity-based RSA multi-signature scheme by adopting Shamir's signature scheme. But, we find that there are some flaws in their proposal: First, the original signer's signing secret key can be derived. Second, the verification equation will never hold even if the received signature and...
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.