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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Rainbow, a New Multivariable Polynomial Signature Scheme
verfasst von : Jintai Ding, Dieter Schmidt
Erschienen in: Applied Cryptography and Network Security
Verlag: Springer Berlin Heidelberg
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Balanced Oil and Vinegar signature schemes and the unbalanced Oil and Vinegar signature schemes are public key signature schemes based on multivariable polynomials. In this paper, we suggest a new signature scheme, which is a generalization of the Oil-Vinegar construction to improve the efficiency of the unbalanced Oil and Vinegar signature scheme. The basic idea can be described as a construction of multi-layer Oil-Vinegar construction and its generalization. We call our system a Rainbow signature scheme. We propose and implement a practical scheme, which works better than Sflash
$^{v_2}$
, in particular, in terms of signature generating time.