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Paper 2008/312

Improved efficiency of Kiltz07-KEM

Xianhui Lu, Xuejia Lai, Dake He

Abstract

Kiltz proposed a practical key encapsulation mechanism(Kiltz07-KEM) which is secure against adaptive chosen ciphertext attacks(IND-CCA2) under the gap hashed Diffie-Hellman(GHDH) assumption\cite{Kiltz2007}. We show a variant of Kiltz07-KEM which is more efficient than Kiltz07-KEM in encryption. The new scheme can be proved to be IND-CCA2 secure under the same assumption, GHDH.

Metadata
Available format(s)
PDF
Publication info
Published elsewhere. Unknown where it was published
Keywords
KEMIND-CCA2GHDH
Contact author(s)
luxianhui @ gmail com
History
2008-07-27: received
Short URL
https://ia.cr/2008/312
License
Creative Commons Attribution
CC BY
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