1970 search results - page 49 / 394 » Security Without Firewalls |
TCSV
2008
13 years 9 months ago
2008
Recently, a novel image scrambling (i.e., encryption) scheme without bandwidth expansion was proposed based on two-dimensional (2-D) discrete prolate spheroidal sequences (DPSS). ...
INFORMATICALT
2010
13 years 7 months ago
2010
This paper presents an entire chaos-based biometric remote user authentication scheme on tokens without using passwords. The proposed scheme is based on the chaotic hash function a...
MUE
2007
IEEE
14 years 4 months ago
2007
IEEE
In 2003, Yang, Chang, and Hwang proposed an enhanced scheme of Peyravivan-Zunic’s password authentication scheme by using the Diffie-Hellman scheme. Later, Yoon, Ryu, and Yoo de...
INDOCRYPT
2003
Springer
14 years 2 months ago
2003
Springer
A solution for obtaining impartial random values in on-line gambling is presented in this paper. Unlike most previous proposals, our method does not require any TTP and allows e-ga...
CRYPTO
2006
Springer
14 years 1 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...