134 search results - page 19 / 27 » On the security of a convertible group signature scheme |
CTRSA
2007
Springer
14 years 2 months ago
2007
Springer
Standard signature schemes are usually designed only to achieve weak unforgeability – i.e. preventing forgery of signatures on new messages not previously signed. However, most s...
PKC
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. The ring signature allows a signer to leak secrets anonymously, without the risk of identity escrow. At the same time, the ring signature provides great flexibility: No ...
AINA
2005
IEEE
14 years 1 months ago
2005
IEEE
Based on the factorization problem, a modified (t, n) threshold group-oriented scheme with message recovery is proposed. In the proposed scheme, any combination of more than t mem...
CJ
2006
13 years 8 months ago
2006
Anonymous channels or similar techniques that can achieve sender's anonymity play important roles in many applications. However, they will be meaningless if cryptographic prim...
EUROCRYPT
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. This work presents a new privacy primitive called “Traceable Signatures”, together with an efficient provably secure implementation. To this end, we develop the unde...