151 search results - page 2 / 31 » Optimal (2, n) visual cryptographic schemes |
TCC
2005
Springer
14 years 25 days ago
2005
Springer
We address the problem of using untrusted (potentially malicious) cryptographic helpers. We provide a formal security definition for securely outsourcing computations from a comp...
ISW
2000
Springer
13 years 11 months ago
2000
Springer
Abstract. Signcryption is a public-key cryptographic primitive introduced by Zheng, which achieves both message confidentiality and nonrepudiatable origin authenticity, at a lower ...
IANDC
2007
13 years 7 months ago
2007
Visual cryptography schemes have been introduced in 1994 by Naor and Shamir. Their idea was to encode a secret image into n shadow images and to give exactly one such shadow image ...
INDOCRYPT
2001
Springer
13 years 11 months ago
2001
Springer
In this paper, the authors analyze the Gaudry–Hess–Smart (GHS) Weil descent attack on the elliptic curve discrete logarithm problem (ECDLP) for elliptic curves defined over c...
PDCAT
2007
Springer
14 years 1 months ago
2007
Springer
When datasets are distributed on different sources, finding out their intersection while preserving the privacy of the datasets is a widely required task. In this paper, we addre...