Abstract
The smart card has been suggested for personal security in public key cryptosystems. As the size of the keys in public key cryptosystems is increased, the design of crypto-controllers in smart cards becomes more complicated. This paper proposes a secure device in a terminal, “Secure Module”, which can support precomputation technique for Schnorr-type cryptosystems such as Schnorr [7], DSA [1], KCDSA [5]. This gives a simple method to implement secure public key cryptosystems without technical efforts to redesign a cryptographic controller in 25mm 2 smart card ICs.
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References
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© 1999 Springer-Verlag Berlin Heidelberg
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Lee, P.J., Lee, E.J., Kim, Y.D. (1999). How to Implement Cost-Effective and Secure Public Key Cryptosystems. In: Koç, Ç.K., Paar, C. (eds) Cryptographic Hardware and Embedded Systems. CHES 1999. Lecture Notes in Computer Science, vol 1717. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48059-5_8
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DOI: https://doi.org/10.1007/3-540-48059-5_8
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