A new perturbation algorithm and enhancing security of SFLASH signature scheme

This paper introduces the concept of noise factor and noise operation, and constructs a noise group. We present a new perturbation algorithm for enhancing security of multivariate public key cryptosystems (MPKCs). European Consortium SFLASH which derives from Matsumoto-Imai scheme is a fast signatur...

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Veröffentlicht in:	Science China. Information sciences 2010-04, Vol.53 (4), p.760-768
Hauptverfasser:	Wang, HouZhen, Zhang, HuanGuo, Guan, HaiMing, Han, HaiQing
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms China Computational efficiency Computer information security Computer Science Computer systems Cryptography Information Systems and Communication Service Mathematical analysis Noise Noise factor Perturbation Perturbation methods Research Papers Security Signatures Smart cards
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