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13

ASIACRYPT
2006
Springer

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HIBE With Short Public Parameters Without Random Oracle

13 years 8 months ago

HIBE With Short Public Parameters Without Random Oracle

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Abstract. At Eurocrypt 2005, Waters presented an identity based encryption (IBE) protocol which is secure in the full model without random oracle. In this paper, we extend Waters' IBE protocol to a hierarchical IBE (HIBE) protocol which is secure in the full model without random oracle. The only previous construction in the same setting is due to Waters. Our construction improves upon Waters' HIBE by significantly reducing the number of public parameters.

Sanjit Chatterjee, Palash Sarkar

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ASIACRYPT 2006 | Cryptology | Hierarchical Ibe | Identity Based Encryption | Random Oracle |

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Added	20 Aug 2010
Updated	20 Aug 2010
Type	Conference
Year	2006
Where	ASIACRYPT
Authors	Sanjit Chatterjee, Palash Sarkar

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