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EUROCRYPT
2000
Springer
13 years 11 months ago
Using Hash Functions as a Hedge against Chosen Ciphertext Attack
The cryptosystem recently proposed by Cramer and Shoup [CS98] is a practical public key cryptosystem that is secure against adaptive chosen ciphertext attack provided the Decision...
Victor Shoup
CN
2007
97views more  CN 2007»
13 years 8 months ago
Security enhancement of an IC-card-based remote login mechanism
Wang et al. presented a remote password authentication scheme using IC (Integrated Circuit) cards in 2004. Unfortunately, we discovered that their scheme is unable to withstand th...
Ting-Fang Cheng, Jung-San Lee, Chin-Chen Chang
CCS
2008
ACM
13 years 10 months ago
Reducing protocol analysis with XOR to the XOR-free case in the horn theory based approach
In the Horn theory based approach for cryptographic protocol analysis, cryptographic protocols and (Dolev-Yao) intruders are modeled by Horn theories and security analysis boils d...
Ralf Küsters, Tomasz Truderung
ICIP
2004
IEEE
14 years 9 months ago
Rotation and cropping resilient data hiding with zernike moments
Most digital data hiding schemes are sensitive to simple geometric attacks namely rotation, cropping, and scaling. Of these, rotational attacks possess the capability to not only ...
Palak K. Amin, Koduvayur P. Subbalakshmi
IJNSEC
2006
80views more  IJNSEC 2006»
13 years 8 months ago
A Forward-Secure User Authentication Scheme with Smart Cards
In 2004, Yoon et al. proposed a user authentication scheme based on generalized ElGamal signature scheme using smart cards. In their scheme, the previous session keys will be comp...
Bin Wang, Zheng-Quan Li