PET
2010
Springer
13 years 8 months ago
2010
Springer
We present Drac, a system designed to provide anonymity and unobservability for real-time instant messaging and voice-over-IP communications against a global passive adversary. The...
PET
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Low-latency anonymous communication networks require padding to resist timing analysis attacks, and dependent link padding has been proven to prevent these attacks with m...
FM
1999
Springer
13 years 8 months ago
1999
Springer
We introduce the concept of a group principal and present a number of different classes of group principals, including threshold-group-principals. These appear to naturally usefu...
ASIACRYPT
2001
Springer
13 years 9 months ago
2001
Springer
We consider a novel security requirement of encryption schemes that we call “key-privacy” or “anonymity”. It asks that an eavesdropper in possession of a ciphertext not be ...
ASIACRYPT
2001
Springer
13 years 9 months ago
2001
Springer
A fair blind signature scheme allows the trustee to revoke blindness so that it provides authenticity and anonymity to honest users while preventing malicious users from abusing th...
WETICE
2002
IEEE
13 years 9 months ago
2002
IEEE
Various systems offering anonymity for near real-time Internet traffic have been operational. However, they did not deliver many quantitative results about performance, bandwidth...
NDSS
2002
IEEE
13 years 9 months ago
2002
IEEE
There have been a number of protocols proposed for anonymous network communication. In this paper we investigate attacks by corrupt group members that degrade the anonymity of eac...
CCS
2003
ACM
13 years 9 months ago
2003
ACM
We describe a new method for protecting the anonymity of message receivers in an untrusted network. Surprisingly, existing methods fail to provide the required level of anonymity ...
DEXAW
2003
IEEE
13 years 9 months ago
2003
IEEE
We examine the interference of fairness and observers in digital coin systems. Since copying of coins cannot be prevented cryptographically in anonymous off-line coin systems, dou...
CSFW
2003
IEEE
13 years 9 months ago
2003
IEEE
We provide a framework for reasoning about information-hiding requirements in multiagent systems and for reasoning about anonymity in particular. Our framework employs the modal l...