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Cryptanalysis of SBLH

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2002) 2355 144-151
DOI: 10.1007/3-540-45473-X_12
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Abstract

SBLH is a 256-bit key stream cipher that is used in Business Security’s products for voice, fax and data communication. The cipher is claimed to be quite unique and yet very powerful. In this brief report, we suggest a possible chosen ciphertext attack on SBLH. We show that with 224 ciphertext/plaintext pairs, one can successfully recover the active key of length 217 bits.

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APA

Jakimovski, G., & Kocarev, L. (2002). Cryptanalysis of SBLH. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2355, pp. 144–151). Springer Verlag. https://doi.org/10.1007/3-540-45473-X_12

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