Keys with repeating patterns are found to be key length invariant. The cause of the problem is the simplistic key dependent state permutation in the RC4 initialization.
Category / Keywords: secret-key cryptography / RC4, KSA, weak keys, cryptanalysis, stream cipher, pseudo randomness Date: received 29 Apr 2013 Contact author: joachim at secworks se Available formats: PDF | BibTeX Citation Version: 20130503:082024 (All versions of this report) Discussion forum: Show discussion | Start new discussion