Sciweavers

569 search results - page 27 / 114
» On the Security of the Digital Signature Algorithm
Sort
View
TRUSTBUS
2005
Springer
14 years 1 months ago
A Mediated Proxy Signature Scheme with Fast Revocation for Electronic Transactions
Abstract. Proxy signature schemes allow an original signer to delegate his signing rights to a proxy signer. Most proxy signature schemes have succeeded for proxy delegations and t...
Seung-Hyun Seo, Kyung-Ah Shim, Sang-Ho Lee
EUROCRYPT
2004
Springer
14 years 1 months ago
Short Signatures Without Random Oracles
We describe a short signature scheme that is strongly existentially unforgeable under an adaptive chosen message attack in the standard security model. Our construction works in g...
Dan Boneh, Xavier Boyen
ASIACRYPT
2000
Springer
14 years 25 days ago
Towards Signature-Only Signature Schemes
We consider a problem which was stated in a request for comments made by NIST in the FIPS97 document. The question is the following: Can we have a digital signature public key infr...
Adam Young, Moti Yung
ASIACRYPT
2011
Springer
12 years 8 months ago
Short Signatures from Weaker Assumptions
We provide constructions of (m, 1)-programmable hash functions (PHFs) for m ≥ 2. Mimicking certain programmability properties of random oracles, PHFs can, e.g., be plugged into ...
Dennis Hofheinz, Tibor Jager, Eike Kiltz
CSIE
2009
IEEE
14 years 3 months ago
An Enhanced-Security Fair E-payment Protocol
Customers are usually passive in an electronic commerce transaction. Based on a new two times concurrent signature, this article presents a fair electronic payment (E-payment) pro...
Wei Fan, Huaying Shu, Elizabeth Fife, Qiang Yan