Showing papers by "Ross Anderson published in 1992"
23 Nov 1992
TL;DR: UEPS, the Universal Electronic Payment System, is an electronic funds transfer product which is well suited to developing country environments, where poor telecommunications make offline operation necessary.
Abstract: UEPS, the Universal Electronic Payment System, is an electronic funds transfer product which is well suited to developing country environments, where poor telecommunications make offline operation necessary. It is designed around smartcard based electronic wallet and chequebook functions: money is loaded from the bank, via bank cards, to customer cards, to merchant cards, and finally back to the bank through a clearing system. This architecture is uniquely demanding from the point of view of security.
85 citations
TL;DR: The basic server-assisted authentication protocol of Matsumoto et al (1984) can be broken in a one-round active attack and the improvements necessary to make it secure may well render it impractical.
Abstract: The basic server-assisted authentication protocol of Matsumoto et al (1984) can be broken in a one-round active attack. The improvements necessary to make it secure may well render it impractical.
34 citations