61 search results - page 7 / 13 » Repairing Efficient Threshold Group Signature Scheme |
ASIACRYPT
2000
Springer
15 years 1 months ago
2000
Springer
Abstract. A t out of n threshold scheme is such that shares are distributed to n participants so that any set of t participants can compute the secret, whereas any set of less than...
ACISP
2006
Springer
15 years 1 months ago
2006
Springer
The only known construction of identity-based signatures that can be proven secure in the standard model is based on the approach of attaching certificates to non-identity-based si...
ASIACRYPT
2006
Springer
15 years 1 months ago
2006
Springer
Non-interactive zero-knowledge proofs play an essential role in many cryptographic protocols. We suggest several NIZK proof systems based on prime order groups with a bilinear map...
CRYPTO
1998
Springer
15 years 1 months ago
1998
Springer
Verifiable Signature Sharing (VS ) enables the recipient of a digital signature, who is not necessarily the original signer, to share such signature among n proxies so that a subse...
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NETWORKING
2004
14 years 11 months ago
2004
We present an efficient authenticated and fault-tolerant protocol (AFTD) for tree-based key agreement. Our approach is driven by the insight that when a Diffie-Hellman blinded key ...