619 search results - page 70 / 124 » Learning with Security |
ACISP
2005
Springer
14 years 2 months ago
2005
Springer
A blind signature scheme is a protocol for obtaining a digital signature from a signer, but the signer can neither learn the messages he/she sign nor the signatures the recipients ...
PODC
2003
ACM
14 years 2 months ago
2003
ACM
We propose a new cryptographic primitive called oblivious signaturebased envelope (OSBE). Informally, an OSBE scheme enables a sender to send an envelope (encrypted message) to a ...
CRV
2006
IEEE
14 years 19 days ago
2006
IEEE
Conventional image-oriented cryptographic techniques lack the flexibility needed for content-specific security features such as the concealment of confidential information within ...
ISI
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. In many organizations, it is common to control access to confidential information based on the need-to-know principle; The requests for access are authorized only if the ...
RAID
2010
Springer
13 years 7 months ago
2010
Springer
The insider threat against database management systems is a dangerous security problem. Authorized users may abuse legitimate privileges to masquerade as other users or to maliciou...