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PCM
2004
Springer
116views Multimedia» more  PCM 2004»
14 years 21 days ago
Cryptanalysis of a Chaotic Neural Network Based Multimedia Encryption Scheme
Recently, Yen and Guo proposed a chaotic neural network (CNN) for signal encryption, which was suggested as a solution for protection of digital images and videos. The present pape...
Chengqing Li, Shujun Li, Dan Zhang, Guanrong Chen
CQRE
1999
Springer
13 years 11 months ago
Cryptanalysis of Microsoft's PPTP Authentication Extensions (MS-CHAPv2)
The Point-to-Point Tunneling Protocol (PPTP) is used to secure PPP connections over TCP/IP link. In response to [SM98], Microsoft released extensions to the PPTP authentication me...
Bruce Schneier, Mudge, David Wagner
CORR
2006
Springer
111views Education» more  CORR 2006»
13 years 7 months ago
Length-based cryptanalysis: The case of Thompson's Group
The length-based approach is a heuristic for solving randomly generated equations in groups which possess a reasonably behaved length function. We describe several improvements of ...
Dima Ruinskiy, Adi Shamir, Boaz Tsaban
AMC
2005
218views more  AMC 2005»
13 years 7 months ago
Cryptanalysis of Lee-Hwang-Li's key authentication scheme
Abstract. Key authentication is very important in secret communications and data security. Recently, Lee, Hwang and Li proposed a new public key authentication scheme for cryptosys...
Fangguo Zhang, Kwangjo Kim
IACR
2011
207views more  IACR 2011»
12 years 7 months ago
Cryptanalysis and Security Enhancement of an Advanced Authentication Scheme using Smart Cards, and a Key Agreement Scheme for Tw
Abstract—In this work we consider two protocols for performing cryptanalysis and security enhancement. The first one by Song, is a password authentication scheme based on smart ...
Swapnoneel Roy, Amlan K. Das, Yu Li