PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. We introduce a new approach for cryptanalysis of key agreement protocols based on noncommutative groups. Our approach uses functions that estimate the distance of a group...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. We propose multi-bit versions of several single-bit cryptosystems based on lattice problems, the error-free version of the Ajtai-Dwork cryptosystem by Goldreich, Goldwass...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. Yao’s classical millionaires’ problem is about securely determining whether x > y, given two input values x, y, which are held as private inputs by two parties, re...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
We present new and efficient key-recovery chosen-ciphertext attacks on NTRUencrypt. Our attacks are somewhat intermediate between chosen-ciphertext attacks on NTRUencrypt previousl...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. At PKC 2006, Yang, Wong, Deng and Wang proposed the notion of anonymous signature schemes where signatures do not reveal the signer’s identity, as long as some parts of...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. Multivariate Cryptography has been an active line of research for almost twenty years. While most multivariate cryptosystems have been under attack, variations of the bas...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
: This paper addresses the security of optimistic fair exchange in a multi-user setting. While the security of public key encryption and public key signature schemes in a single-us...
PKC
2007
Springer
14 years 6 months ago
2007
Springer
Abstract. In the CT-track of the 2006 RSA conference, a new multivariate public key cryptosystem, which is called the Medium Field Equation (MFE) multivariate public key cryptosyst...
PKC
2007
Springer
14 years 6 months ago
2007
Springer