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Erschienen in:
2012 | OriginalPaper | Buchkapitel
A Chaotic Encryption Algorithm: Robustness against Brute-Force Attack
verfasst von : Mina Mishra, V. H. Mankar
Erschienen in: Advances in Computer Science, Engineering & Applications
Verlag: Springer Berlin Heidelberg
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An encryption method is proposed that uses self-invertible matrix, modular function, Non-Linear shift register and the chaotic map known as Logistic. Parameter of Logistic map act as secret key. As chaotic system used in this algorithm is 1-D system, the key space is lesser than 2
100
which shows that the method is weak against Brute-force attack but identifiability property of the selected key from key space assures its strength against the attack. Key sensitivity and plaintext sensitivity of the key chosen from key space for the algorithm is analyzed and its strength against known-plaintext attack is also tested and conclusions are derived.