The HKM/HFX cryptosystem is proposed for standardization at the ITU Telecommunication Standardization Sector Study Group 8. It is designed to provide authenticity and colffidentiality of FAX messages at a commercial level of security. In addition, the HKM/HFX cryptosystem is designed for unrestricted export. This paper contains the results of an analysis of the HKM/HFX cryptosystem. Eleven attacks and their complexities are described in full detail. The analytic results show that the security provided by the HKM/HFX cryptosystem is not high enough to meet the requirements for an internationM standard of the ITU, even with the additional feature of free exportability.
CITATION STYLE
Lai, X., & Rueppel, R. A. (1996). Attacks on the HKM/HFX cryptosystem. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1039, pp. 1–14). Springer Verlag. https://doi.org/10.1007/3-540-60865-6_37
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