Abstract
This note continues a sequence of attempts to define efficient digital signature schemes based on low-degree polynomials, or to break such schemes. We consider a scheme proposed by Satoh and Araki (1997), which generalizes the Ong-Schnorr-Shamir scheme to the non-commutative ring of quaternions. We give two different ways to break the scheme.
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References
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© 1999 Springer-Verlag Berlin Heidelberg
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Coppersmith, D. (1999). Weakness in Quaternion Signatures. In: Wiener, M. (eds) Advances in Cryptology — CRYPTO’ 99. CRYPTO 1999. Lecture Notes in Computer Science, vol 1666. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-48405-1_19
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DOI: https://doi.org/10.1007/3-540-48405-1_19
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