446 search results - page 24 / 90 » On Anonymity of Group Signatures |
CCR
2010
14 years 12 months ago
2010
In recent years, academic literature has analyzed many attacks on network trace anonymization techniques. These attacks usually correlate external information with anonymized data...
ACISP
2005
Springer
15 years 5 months ago
2005
Springer
Group signature schemes with membership revocation have been intensively researched. However, signing and/or verification of some existing schemes have computational costs of O(R)...
ICCSA
2005
Springer
15 years 5 months ago
2005
Springer
In resent years, Popescu proposed several group signature schemes based on the Okamoto-Shiraishi assumption in [8–11], and claimed his schemes are secure. However, this paper dem...
CTRSA
2005
Springer
15 years 5 months ago
2005
Springer
ICITS
2009
14 years 9 months ago
2009
We observe that finding invalid signatures in batches of signatures that fail batch verification is an instance of the classical group testing problem. We present and compare new ...