75 search results - page 3 / 15 » Efficient Revocation in Group Signatures |
CRYPTO
2000
Springer
15 years 3 months ago
2000
Springer
A group signature scheme allows a group member to sign messages anonymously on behalf of the group. However, in the case of a dispute, the identity of a signature’s originator ca...
78
Voted
PST
2004
15 years 6 days ago
2004
This paper presents the first mediated hierarchical identity-based encryption and signature schemes. Both schemes are designed to support information access control in hierarchical...
110
Voted
EUROPKI
2006
Springer
15 years 2 months ago
2006
Springer
Privacy-aware Public Key Infrastructure (PKI) can maintain user access control and yet protect user privacy, which is envisioned as a promising technique in many emerging applicat...
76
Voted
CRYPTO
2004
Springer
15 years 2 months ago
2004
Springer
Abstract. We study the problem of broadcasting confidential information to a collection of n devices while providing the ability to revoke an arbitrary subset of those devices (and...
CCS
2003
ACM
15 years 4 months ago
2003
ACM