In 2002, Murphy and Robshaw introduced an extension BES of AES and argued this could compromise the security of AES. We introduce here two block-ciphers CES and Big-BES that are so...
A uniform extension language for email systems can radically extend the utility of electronic mail, simplifying the construction of mail-based services and permitting the delivery...
We investigate a general class of (black-box) constructions for range extension of weak pseudorandom functions: a construction based on m independent functions F1, . . . , Fm is gi...
Pervasive networks with low-cost embedded 8-bit processors are set to change our day-to-day life. Public-key cryptography provides crucial functionality to assure security which is...
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...