241 search results - page 14 / 49 » On Proactive Secret Sharing Schemes |
SDMW
2005
Springer
14 years 2 months ago
2005
Springer
To avoid insider attacks one cannot rely on access control to protect a database scheme. Encrypting the database is a better option. This paper describes a working prototype of an ...
TCC
2004
Springer
14 years 1 months ago
2004
Springer
We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned ...
CISC
2007
Springer
14 years 17 days ago
2007
Springer
A multi-secret sharing scheme allows several secrets to be shared amongst a group of participants. In 2005, Shao and Cao developed a verifiable multi-secret sharing scheme where e...
COCO
2005
Springer
14 years 2 months ago
2005
Springer
Weighted threshold functions with positive weights are a natural generalization of unweighted threshold functions. These functions are clearly monotone. However, the naive way of ...
IANDC
2007
13 years 8 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 ...