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Access control using pairing based cryptography

Nigel Smart, Access control using pairing based cryptography. Proceedings CT-RSA 2003, pp. 111–121. April 2003. No electronic version available. External information


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.

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