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Paper 2005/175

A 32-bit RC4-like Keystream Generator

Yassir Nawaz and Kishan Chand Gupta and Guang Gong

Abstract

In this paper we propose a new 32-bit RC4 like keystream generator. The proposed generator produces 32 bits in each iteration and can be implemented in software with reasonable memory requirements. Our experiments show that this generator is 3.2 times faster than original 8-bit RC4. It has a huge internal state and offers higher resistance against state recovery attacks than the original 8-bit RC4. We analyze the randomness properties of the generator using a probabilistic approach. The generator is suitable for high speed software encryption.

Metadata
Available format(s)
PDF PS
Category
Secret-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Contact author(s)
kgupta @ math uwaterloo ca
History
2005-06-13: received
Short URL
https://ia.cr/2005/175
License
Creative Commons Attribution
CC BY
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