In a distributed key distribution scheme, a set of servers help a set of users in a group to securely obtain a common key. Security means that an adversary who corrupts some server...
An aggregate signature scheme is a digital signature scheme where anyone given n signatures on n messages from n users can aggregate all these signatures into a single short signa...
The concept of universal designated verifier signatures was introduced by Steinfeld, Bull, Wang and Pieprzyk at Asiacrypt 2003. These signatures can be used as standard publicly ve...
sion of an extended abstract to be published in Advances in Cryptology—EUROCRYPT 2007, Springer-Verlag, 2007. Available online from the IACR Cryptology ePrint Archive as Report 2...
Abstract. Signcryption as a single cryptographic primitive offers both confidentiality and authentication simultaneously. Generally in signcryption schemes, the message is hidden a...
S. Sharmila Deva Selvi, S. Sree Vivek, C. Pandu Ra...