555 search results - page 91 / 111 » Anonymous Webs of Trust |
CTRSA
2009
Springer
14 years 5 months ago
2009
Springer
Proxy re-encryption (PRE) allows a proxy to convert a ciphertext encrypted under one key into an encryption of the same message under another key. The main idea is to place as lit...
GROUP
2009
ACM
14 years 5 months ago
2009
ACM
As organizations scale up, their collective knowledge increases, and the potential for serendipitous collaboration between members grows dramatically. However, finding people wit...
ACSC
2007
IEEE
14 years 5 months ago
2007
IEEE
In this paper we shall introduce a new electronic payment concept based on the popular direct debit payment model, entitled periodical payments. The direct debit model currently i...
ESORICS
2003
Springer
14 years 4 months ago
2003
Springer
Recently, David Chaum proposed an electronic voting scheme that combines visual cryptography and digital processing. It was designed to meet not only mathematical security standard...
CEAS
2008
Springer
14 years 27 days ago
2008
Springer
The increasing use of email for phishing and unsolicited marketing has reduced the trustworthiness of email as a communication medium. Sender authentication is a known defense aga...