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PQCRYPTO
2010
187views Cryptology» more  PQCRYPTO 2010»
13 years 8 months ago
Information-Set Decoding for Linear Codes over Fq
The best known non-structural attacks against code-based cryptosystems are based on information-set decoding. Stern’s algorithm and its improvements are well optimized and the co...
Christiane Peters
PQCRYPTO
2010
176views Cryptology» more  PQCRYPTO 2010»
13 years 3 months ago
Practical Power Analysis Attacks on Software Implementations of McEliece
The McEliece public-key cryptosystem is based on the fact that decoding unknown linear binary codes is an NP-complete problem. The interest on implementing post-quantum cryptograph...
Stefan Heyse, Amir Moradi, Christof Paar
PQCRYPTO
2010
149views Cryptology» more  PQCRYPTO 2010»
13 years 8 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 ...
Shigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki, ...
PQCRYPTO
2010
250views Cryptology» more  PQCRYPTO 2010»
13 years 8 months ago
Strongly Unforgeable Signatures and Hierarchical Identity-Based Signatures from Lattices without Random Oracles
Abstract. We propose a variant of the “bonsai tree” signature scheme, a latticebased existentially unforgeable signature scheme in the standard model. Our construction offers ...
Markus Rückert
IACR
2011
161views more  IACR 2011»
12 years 4 months ago
Roots of Square: Cryptanalysis of Double-Layer Square and Square+
Abstract. Square is a multivariate quadratic encryption scheme proposed in 2009. It is a specialization of Hidden Field Equations by using only odd characteristic elds and also X2...
Enrico Thomae, Christopher Wolf