28 search results - page 5 / 6 » On the Security of Some Nonrepudiable Threshold Proxy Signat... |
ACISP
2003
Springer
13 years 9 months ago
2003
Springer
In some practical circumstances, the ability of a signer should be restricted. In group signature schemes, a group member may be allowed to generate signatures up to a certain numb...
EUROPKI
2007
Springer
13 years 11 months ago
2007
Springer
An undeniable mobile billing system allows a mobile network service provider to bill its subscribers with trustworthy evidences. Chen, Jan and Chen proposed such a billing system b...
CRYPTO
2004
Springer
13 years 10 months ago
2004
Springer
We propose the first distributed discrete-log key generation (DLKG) protocol from scratch which is adaptively-secure in the non-erasure model, and at the same time completely avoi...
ICISC
2004
13 years 6 months ago
2004
An identity (ID)-based signature scheme allows any pair of users to verify each other's signatures without exchanging public key certificates. With the advent of Bilinear maps...
TIFS
2010
12 years 12 months ago
2010
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other secu...