Core JINI
Service Location Protocol: Automatic Discovery of IP Network Services
IEEE Internet Computing
Unraveling the Web Services Web: An Introduction to SOAP, WSDL, and UDDI
IEEE Internet Computing
UPnP Design by Example: A Software Developer's Guide to Universal Plug and Play
UPnP Design by Example: A Software Developer's Guide to Universal Plug and Play
Extending PKI Interoperability in Computational Grids
CCGRID '08 Proceedings of the 2008 Eighth IEEE International Symposium on Cluster Computing and the Grid
An XML Alternative for Performance and Security: ASN.1
IT Professional
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Public key cryptography can uniquely enable trust within distributed settings. Employing it usually requires deploying a set of tools and services collectively known as a Public Key Infrastructure (PKI). PKIs have become a central asset for many organizations, due to distributed IT and users. Even though the usage of PKIs in closed and controlled environments is quite common, interoperability and usability problems arise when shifting to a broader, open environment. To make an effective trust judgment about a public key certificate, a PKI user needs more than just knowledge of that certificate: she also needs to be able to locate critical parameters such as the certificate repositories and certificate validation servers relevant to that certificate - and all the others the trust path she builds for it. Surprisingly, locating these resources and services remains a largely unsolved problem in real-world X.509 PKI deployment. This issue impacts especially on the usability of this technology and the interoperability of PKIs in open environments such as the Internet. In this paper, we present the design and prototype of a new and flexible solution for automatic discovery of the services and data repositories made available by a Certificate Service Provider (CSP). This contribution will take real-world PKI one step closer to enhancing usability of digital certificates and interoperability between PKIs.