2003 | OriginalPaper | Chapter
Access Control Using Pairing Based Cryptography
Author : Nigel P. Smart
Published in: Topics in Cryptology — CT-RSA 2003
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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We present a mechanism to encrypt to an arbitrary collection of identities using a variant of the Boneh-Franklin identity based encryption scheme. The decryptor is defined by a logical formulae of conjunctions and disjunctions. This enables a simple mechanism to drive access control to broadcast encrypted data using user identities as the public keys.