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135
Voted
IACR
2011
14 years 2 months ago
2011
In this paper we present a new practical key-recovery attack on the SFLASH signature scheme. SFLASH is a derivative of the older C∗ encryption and signature scheme that was broke...
143
Voted
IACR
2011
14 years 2 months ago
2011
Aggregation schemes allow to combine several cryptographic values like message authentication codes or signatures into a shorter value such that, despite compression, some notion o...
127
Voted
ICIP
2005
IEEE
16 years 4 months ago
2005
IEEE
We present an asymmetric watermarking method for copyright protection that uses different matrix operations to embed and extract a watermark. It allows for the public release of a...
119
Voted
ASIACRYPT
2007
Springer
15 years 9 months ago
2007
Springer
Abstract. We develop a new multi-party generalization of Naor-Nissim indirect indexing, making it possible for many participants to simulate a RAM machine with only poly-logarithmi...
109
Voted
CRYPTO
2007
Springer
15 years 9 months ago
2007
Springer
In this paper, we present a practical attack on the signature scheme SFLASH proposed by Patarin, Goubin and Courtois in 2001 following a design they had introduced in 1998. The att...