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Circulant UOV and Circulant Rainbow are new variants of UOV (unbalanced oil and vinegar signature scheme) and Rainbow respectively. In this short report, we study the security of these new variants Ci...
Analysis of the Rainbow Tradeoff Algorithm Used in Practice
cryptanalytic time memory tradeoff rainbow tradeoff
2014/3/10
Cryptanalytic time memory tradeoff is a tool for inverting one-way functions, and the rainbow table method, the best-known tradeoff algorithm, is widely used to recover passwords. Even though extensiv...
Hybrid Approach for the Fast Verification for Improved Versions of the UOV and Rainbow Signature Schemes
Multivariate Cryptography UOV Signature Scheme
2014/3/12
Multivariate cryptography is one of the main candidates to guarantee the security of communication in the post-quantum era. Especially in the area of digital signatures, multivariate cryptography offe...
Selecting Parameters for the Rainbow Signature Scheme - Extended Version -
Multivariate Cryptography Rainbow Signature Scheme parameters
2010/8/17
Multivariate public key cryptography is one of the main approaches to guarantee the security of communication in a post-quantum world. One of the most promising candidates in this area is the Rainbow ...
The Cost of False Alarms in Hellman and Rainbow Tradeoffs
time memory tradeoff Hellman rainbow table
2009/6/5
Cryptanalytic time memory tradeoff algorithms are generic one-way function
inversion techniques that utilize pre-computation. Even though the online time
complexity is known up to a small multiplica...
New Differential-Algebraic Attacks and Reparametrization of Rainbow
rank differential attack algebraic attack
2009/6/3
A recently proposed class of multivariate Public-Key Cryptosystems,
the Rainbow-Like Digital Signature Schemes, in which successive
sets of central variables are obtained from previous ones by solvi...
Note on Design Criteria for Rainbow-Type Multivariates
Design Criteria Rainbow-Type Multivariates
2008/12/17
This was a short note that deals with the design of Rainbow or “stagewise unbalanced
oil-and-vinegar” multivariate signature schemes. We exhibit new cryptanalysis for current
schemes that relates to...