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Modification of a public-key cryptosystem

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1 Author(s)
Okamoto, T. ; NTT Electrical Communications Laboratories, Yokosuka, Japan

A modification of the public-key cryptosystem proposed by Okamoto is presented. This modification appears to be resistant to Shamir's cryptanalytic attacks on the original cryptosystem. In addition, a variant whose data expansion rate due to encryption is less than that of the modification is also proposed.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 16 )