963 search results - page 13 / 193 » Conditional Digital Signatures |
ACSW
2004
13 years 10 months ago
2004
A proxy blind signature scheme is a digital signature scheme which combines the properties of proxy signature and blind signature schemes. Recently, Tan et al. proposed two proxy ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— An important issue in mobile commerce (mcommerce) is to exchange digital data between two distributed parties in an efficient and fair manner. In this paper, a lightwe...
ACNS
2003
Springer
14 years 1 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...
AINA
2004
IEEE
14 years 12 days ago
2004
IEEE
With the explosion of the mobile communication market, more and more handheld devices act as clients in the Internet. People use these devices to purchase books, play games, recei...
CTRSA
2007
Springer
14 years 2 months ago
2007
Springer
In 2002, Micali and Rivest raised an open problem as to whether directed transitive signatures exist or not. In 2003, Hohenberger formalized the necessary mathematical criteria for...