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Paper 2005/219

Cryptanalysis of a 32-bit RC4-like Stream Cipher

Hongjun Wu

Abstract

Nawaz, Gupta and Gong recently proposed a 32-bit RC4-like stream cipher. In this paper, we show that the keystream generated from their stream cipher is not random. The keystream can be distinguished from random with only about 100 outputs (3200 bits) in 2 milliseconds on Intel Centrino 1.6GHz processor.

Metadata
Available format(s)
PDF PS
Category
Secret-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
stream ciphercryptanalysis
Contact author(s)
wu hongjun @ esat kuleuven be
History
2005-07-07: revised
2005-07-07: received
See all versions
Short URL
https://ia.cr/2005/219
License
Creative Commons Attribution
CC BY
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