10 search results - page 1 / 2 » Security Flaws in Several Group Signatures Proposed by Popes... |
ICCSA
2005
Springer
13 years 10 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...
INDOCRYPT
2003
Springer
13 years 10 months ago
2003
Springer
At Eurocrypt’91, Chaum and van Heyst introduced the concept of group signature. In such a scheme, each group member is allowed to sign messages on behalf of a group anonymously. ...
INFORMATICALT
2006
13 years 5 months ago
2006
One important requirement of electronic cash systems is the anonymity of customers. Unconditional anonymity is also very well suited to support criminals in blackmailing. Maitland ...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The signcryption is a relatively new cryptographic technique that is supposed to fulfill the functionalities of encryption and digital signature in a single logical step. Although...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The signcryption is a relatively new cryptographic technique that is supposed to fulfill the functionalities of encryption and digital signature in a single logical step. Several ...