| Authors: | Mihaljević, Miodrag J. Imai, Hideki |
Affiliations: | Mathematical Institute of the Serbian Academy of Sciences and Arts | Title: | Cryptanalysis of TOYOCRYPT-HS1 stream cipher | Journal: | IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences | Volume: | E85-A | Issue: | 1 | First page: | 66 | Last page: | 73 | Issue Date: | 1-Jan-2002 | Rank: | M23 | ISSN: | 0916-8508 | Abstract: | The security evaluation of TOYOCRYPT-HRI and TOYOCRIPT-HSI stream ciphers was presented. A technique for the TOYOCRYPT-HRI was developed based on its algebraic analysis and the employment of time-memory-data trade-off approach. The dimension of the effective secret-key was only 96 bits, although the secret key consisted of 128 bits. |
Keywords: | Cryptanalysis | Keystream generators | Linear feedback shift registers | Nonlinear filter | Stream ciphers | Publisher: | Institute of Electronics, Information and Communication, Engineers, IEICE |
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