241 search results - page 14 / 49 » On Proactive Secret Sharing Schemes |
SDMW
2005
Springer
15 years 5 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 ...
109
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TCC
2004
Springer
15 years 5 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 ...
119
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CISC
2007
Springer
15 years 3 months 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
15 years 5 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
14 years 11 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 ...