: This paper proposes a context-aware security service providing multiple authentications and authorization from a Security Level which is decided dynamically in a context-aware en...
The majority of current security architectures for grid systems use public key infrastructure (PKI) to authenticate identities of grid members and to secure resource allocation to...
Kerberos is a distributed authentication system that many organizations use to handle domain-wide password security. Although it has been known for quite some time that Kerberos i...
We present the first type and effect system for proving authenticity properties of security protocols based on asymmetric cryptography. The most significant new features of our ...
Abstract. We present a series of protocols for authenticating an individual’s membership in a group without revealing that individual’s identity and without restricting how the...
Stuart E. Schechter, Todd Parnell, Alexander J. Ha...