[Resource Topic] 2004/109: Concealing Complex Policies with Hidden Credentials

Welcome to the resource topic for 2004/109

Concealing Complex Policies with Hidden Credentials

Authors: Robert Bradshaw, Jason Holt, Kent Seamons


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.

ePrint: https://eprint.iacr.org/2004/109

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