21 search results - page 1 / 5 » Time Capsule Signature: Efficient and Provably Secure Constr... |
EUROPKI
2007
Springer
13 years 8 months ago
2007
Springer
Time Capsule Signature, first formalized by Dodis and Yum in Financial Cryptography 2005, is a digital signature scheme which allows a signature to bear a (future) time t so that t...
IJNSEC
2010
12 years 11 months ago
2010
Recently, design of Identity-based (ID-based) threshold signature schemes which are efficient and provably secure in the standard model has drawn great concerns. In this paper, an...
ASIACRYPT
2004
Springer
13 years 8 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
INFORMATICALT
2010
13 years 2 months ago
2010
A proxy signature scheme enables an original signer to delegate its signing capability to a proxy signer and then the proxy signer can sign a message on behalf of the original sign...
EUROCRYPT
2006
Springer
13 years 8 months ago
2006
Springer
We present the first aggregate signature, the first multisignature, and the first verifiably encrypted signature provably secure without random oracles. Our constructions derive f...