Open Source software (OSS) is increasingly being recognized by the government sector around the world as a viable choice to proprietary software, particularly in a number of areas...
Email worms and the spam associated with them are one of the main operational security issues today because they waste time, money and resources. The high incidence of email worms...
Even if the application developers produce software in accordance with the customer requirements, they cannot guarantee that the software will behave in a safe way during the lifet...
We examine the interference of fairness and observers in digital coin systems. Since copying of coins cannot be prevented cryptographically in anonymous off-line coin systems, dou...
The security of smart card based electronic cash have been receiving significant attention recently. However, there has been little systematic analysis or quantification of the imp...