A novel stream encryption scheme with avalanche effect

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Original languageEnglish
Article number459
Journal / PublicationEuropean Physical Journal B
Volume86
Issue number11
Online published7 Nov 2013
Publication statusPublished - Nov 2013

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Abstract

This paper proposes a novel stream encryption scheme with avalanche effect (SESAE). Using this scheme and an ideal pseudorandom number generator (PRNG) to generate d-bit segment binary key streams, one can encrypt a plaintext such that by using any key stream generated from a different seed to decrypt the ciphertext, the decrypted plaintext will become an avalanche-like text which has 2 d - 1 consecutive one's with a high probability. As a cost, the required bits of the ciphertext are d times those of the plaintext. A corresponding avalanche-type encryption theorem is established. Two chaotic 12-bit segment PRNGs are designed. A generalized FIPS140 test and SESAE test for the two chaotic PRNGs, RC4 12-bit segment PRNG and 12-bit segment Matlab PRNG are implemented. The SESAE tests for 16-bit segment PRNGs are also compared. The results suggest that those PRNGs are able to generate the SESAEs which are similar to those generated via ideal PRNGs. © 2013 The Author(s).

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A novel stream encryption scheme with avalanche effect. / Min, Lequan; Chen, Guanrong.
In: European Physical Journal B, Vol. 86, No. 11, 459, 11.2013.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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