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22nd International Symposium on Reliable Distributed Systems (SRDS'03)
The Design and Implementation of a JCA-Compliant Capture Protection Infrastructure
Florence, Italy
October 06-October 08
ISBN: 0-7695-1955-5
Michael K. Reiter, Carnegie Mellon University
Asad Samar, Carnegie Mellon University
Chenxi Wang, Carnegie Mellon University
A capture protection server protects a cryptographic key on a device that may be captured by authenticating the user of the device (e.g., by password) before permitting the key to be used. Delegation from one capture protection server to another enables the new server to perform this capture protection function for the device. Delegation, however, opens the system to new vulnerabilities, including difficulties in limiting online password-guessing attacks and in disabling a device that has been stolen by an attacker who knows the password. Here we propose a lightweight protocol for coordinating capture protection servers that eliminates these vulnerabilities. We also report on the implementation of our protocol in a JCA-compliant cryptographic service provider, and ramifications of the JCA interfaces for our approach.
Citation:
Michael K. Reiter, Asad Samar, Chenxi Wang, "The Design and Implementation of a JCA-Compliant Capture Protection Infrastructure," srds, pp.339, 22nd International Symposium on Reliable Distributed Systems (SRDS'03), 2003
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