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INFORMATICALT
2002
118views more  INFORMATICALT 2002»
13 years 10 months ago
Cryptanalysis and Improvement of Key Distribution System for VSAT Satellite Communications
Recently, Park and Lim (1998) proposed two key distribution systems for secure VSAT satellite communications. One provides indirect authentication, and another scheme enables that ...
Yuh-Min Tseng
IJNSEC
2006
98views more  IJNSEC 2006»
13 years 11 months ago
Comment on Improvement of the Miyazaki-Takaragi Threshold Digital Signature Scheme
To enhance applications of smart cards, Miyazaki and Takaragi proposed a (t, n) threshold digital signature scheme based on the security of elliptic curve discrete logarithm (ECDL...
Zuhua Shao
AMC
2005
154views more  AMC 2005»
13 years 11 months ago
An improvement of the Yang-Shieh password authentication schemes
Recently, Yang and Shieh proposed two password authentication schemes by employing smart cards. One is a timestamp-based password authentication scheme and the other is a nonce-ba...
Chou Chen Yang, Ren-Chiun Wang, Ting Yi Chang
IACR
2011
139views more  IACR 2011»
12 years 10 months ago
Improved Meet-in-the-Middle Cryptanalysis of KTANTAN
We revisit meet-in-the-middle attacks on block ciphers and recent developments in meet-in-the-middle preimage attacks on hash functions. Despite the presence of a secret key in the...
Lei Wei, Christian Rechberger, Jian Guo 0001, Hong...
ICASSP
2008
IEEE
14 years 5 months ago
Robust video fingerprints based on subspace embedding
We present a novel video fingerprinting method based on subspace embedding. The proposed method is particularly robust against frame-rate conversion attacks and geometric attacks...
Regunathan Radhakrishnan, Claus Bauer