Wikipedia has been very successful as an open encyclopedia which is editable by anybody. However, the anonymous nature of Wikipedia means that readers may have less trust since th...
Electronic Transactions over the Internet, particularly using the World Wide Web have become an integral part of economic life. Recently also the public sector has started to use ...
Abstract. Traditionally, cryptographic protocols are described as a sequence of steps, in each of which one principal sends a message to another. It is assumed that the fundamental...
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
The practical advantage expected from transferable e-cash compare to non-transferable is the significant reduction of the interaction number between the bank and the users. However...