266 search results - page 9 / 54 » Tracing-by-Linking Group Signatures |
ACNS
2003
Springer
14 years 4 months ago
2003
Springer
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...
ACISP
2005
Springer
14 years 4 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
14 years 4 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
14 years 4 months ago
2005
Springer
ICITS
2009
13 years 8 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 ...