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Paper 2004/109
Concealing Complex Policies with Hidden Credentials
Robert Bradshaw and Jason Holt and Kent Seamons
Abstract
Hidden credentials are useful in protecting sensitive resource requests, resources, policies and credentials. We propose a significant improvement in decryption performance when implementing hidden credentials using the Franklin/Boneh IBE. We also propose a substantially improved secret splitting scheme for enforcing complex policies, and show how it improves concealment of policies from nonsatisfying recipients.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. unpublished
- Keywords
- anonymity
- Contact author(s)
- eprint @ lunkwill org
- History
- 2004-05-09: received
- Short URL
- https://ia.cr/2004/109
- License
-
CC BY