179 search results - page 9 / 36 » On the Security of Some Proxy Blind Signature Schemes |
CRYPTO
2006
Springer
13 years 11 months ago
2006
Springer
We build concurrently executable blind signatures schemes in the common reference string model, based on general complexity assumptions, and with optimal round complexity. Namely, ...
AMC
2005
13 years 7 months ago
2005
Hwang and Chen recently proposed new multi-proxy multi-signature schemes that allow a group of authorized proxy signers to sign messages on behalf of a group of original signers. ...
IEEECIT
2005
IEEE
14 years 1 months ago
2005
IEEE
An identity based cryptosystem is a novel type of public cryptographic scheme in which the public keys of the users are their identities or strings derived from their identities. ...
ICCNMC
2005
Springer
14 years 1 months ago
2005
Springer
EUROCRYPT
1995
Springer
13 years 11 months ago
1995
Springer
Abstract. We introduce Verifiable Signature Sharing (VCS), a cryptographic primitive for protecting digital signatures. VCS enables the holder of a digitally signed document, who m...