Cryptology ePrint Archive: Report 2011/470

Non-malleable public key encryption in BRSIM/UC

István Vajda

Abstract: We propose an extension to the BRSIM/UC library of Backes, Pfitzmann and Waidner [1] with non-malleable public key encryption. We also investigate the requirement of “full randomization” of public key encryption primitives in [1], and show that additional randomization to attain word uniqueness is theoretically not justified.

Category / Keywords: cryptographic protocols / cryptanalysis, non-malleability, randomization

Date: received 31 Aug 2011

Contact author: vajda at hit bme hu

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Version: 20110906:040213 (All versions of this report)

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