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Paper 2011/593
CCA Secure IB-KEM from the Computational Bilinear Diffie-Hellman Assumption in the Standard Model
Yu Chen and Liqun Chen and Zongyang Zhang
Abstract
In this paper, we propose several selective-identity chosen-ciphertext attack secure iden- tity based key encapsulation (IB-KEM) schemes that are provably secure under the computational bilinear Diffie-Hellman (CBDH) assumption in the standard model. Our schemes compare favor- ably to previous results in efficiency. With delicate modification, our schemes can be strengthened to be full-identity CCA secure easily.
Note: fix some typos
Metadata
- Available format(s)
- Publication info
- Published elsewhere. An extended abstract of this paper appears in the Proceedings of the 14th International Conference on Information Security and Cryptology (ICISC 2011).
- Keywords
- identity based encryptionstandard modelCCA securityCBDH assumption
- Contact author(s)
- cycosmic @ gmail com
- History
- 2011-11-25: last of 2 revisions
- 2011-11-03: received
- See all versions
- Short URL
- https://ia.cr/2011/593
- License
-
CC BY