We propose two extensions to the SQL grant/revoke security model. In SQL, grants are unconditional, so the grantor must simply trust the recipient's discretion. We allow a gr...
Abstract--Existing smartcards developed for point-ofsale payments are being considered for use in Internet transactions. Such use provides an alternative to designing new smartcard...
Trust is an important aspect of decision making for Internet applications and particularly influences the specification of security policy i.e. who is authorised to perform action...
We explore the security of blind signatures under aborts where the user or the signer may stop the interactive signature issue protocol prematurely. Several works on blind signatur...
Although open-source software development has virtues, there is reason to believe that the approach would not have a significant effect on the security of today’s systems. The ...