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PQCRYPTO
2010

Proposal of a Signature Scheme Based on STS Trapdoor

9 years 9 months ago
Proposal of a Signature Scheme Based on STS Trapdoor
A New digital signature scheme based on Stepwise Triangular Scheme (STS) is proposed. The proposed trapdoor has resolved the vulnerability of STS and secure against both Gr¨obner Bases and Rank Attacks. In addition, as a basic trapdoor, it is more efficient than the existing systems. With the efficient implementation, the Multivariate Public Key Cryptosystems (MPKC) signature public key has the signature longer than the message by less than 25 %, for example. Key words: public key cryptosystem, multivariate polynomial, multivariate public key cryptosystem, stepwise triangular scheme, digital signature
Shigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki,
Added 14 Aug 2010
Updated 14 Aug 2010
Type Conference
Year 2010
Where PQCRYPTO
Authors Shigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki, Ryou Fujita
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