315 search results - page 13 / 63 » Number Theoretic Attacks on Secure Password Schemes |
ASIACRYPT
2004
Springer
14 years 1 months ago
2004
Springer
We investigate efficient protocols for password-authenticated key exchange based on the RSA public-key cryptosystem. To date, most of the published protocols for password-authentic...
CSI
2004
13 years 7 months ago
2004
Recently, Lee, Ryu and Yoo proposed a fingerprint-based remote user authentication scheme by using smart cards and biometrics. Their scheme is based on two tiers of ElGamal's...
CSI
2007
13 years 7 months ago
2007
In 2002, Chien et al. proposed an efficient remote authentication scheme using smart cards, in which only few hashing operations are required. Later, Ku et al. gave an improved sc...
CRYPTO
1999
Springer
13 years 12 months ago
1999
Springer
Several variations of rooted tree based solutions have been recently proposed for member revocation in multicast communications [18, 19, 20, 21]. In this paper, we show that by ass...
CRYPTO
2004
Springer
14 years 1 months ago
2004
Springer
We study cryptographic attacks on random Feistel schemes. We denote by m the number of plaintext/ciphertext pairs, and by k the number of rounds. In their famous paper [3], M. Luby...