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Key Agreement Protocols Using Multivariate Equations on Non-commutative Ring
key agreement protocol multivariate equations Grö bner bases NP complete problems non-commutative ring
2010/9/1
In this paper we propose two KAP(key agreement protocols) using multivariate equations. As the enciphering functions we select the multivariate functions of high degree on non-commutative ring H over ...
Cryptanalysis of the Birational Permutation Signature Scheme over a Non-commutative Ring
non-commutative ring birational permutation Rainbow
2009/6/15
In 2008, Hashimoto and Sakurai proposed a new efficient
signature scheme, which is a non-commutative ring version of Shamir’s
birational permutation signature scheme. Shamir’s scheme is a generaliza...