We address the problem of using an untrusted server with a trusted platform module (TPM) to provide trusted storage for a large number of clients, where each client may own and use several different devices that may be offline at different times and may not be able to communicate with each other except through the untrusted server (over an untrusted network). The clients only trust the server’s...

ESR has undertaken national surveillance of methicillin-resistant Staphylococcus aureus (MRSA) since MRSA was first identified in New Zealand in 1975. For the next decade, MRSA remained uncommon in New Zealand, with a maximum of 13 people identified with MRSA in any one year. In a 1982 national survey of antimicrobial resistance among S. aureus, just one (0.05%) of 2077 isolates included in the...

Current mobile-code formats require veri cation by the code recipient to guard against potentially malicious actions of an incoming mobile program. Such veri cation is needed even when a mobile program originated in a \safe" language such as Java, because the transmission might have been corrupted by an adversary. We describe an alternative approach based on a family of mobile code formats that...