14 citations · 82 across the 14 of their papers we have counts for
4 papers · 2 filters
Authentication Schemes Using Braid Groups
Sunder Lal, Atul Chaturvedi
In this paper we proposed two identification schemes based on the root problem. The proposed schemes are secure against passive attacks assuming that the root problem (RP) is hard…
ID-based Ring Signature and Proxy Ring Signature Schemes from Bilinear Pairings
Amit K Awasthi, Sunder Lal
In 2001, Rivest et al. firstly introduced the concept of ring signatures. A ring signature is a simplified group signature without any manager. It protects the anonymity of a signe…
An Efficient Scheme for Sensitive Message Transmission using Blind Signcryption
Amit K Awasthi, Sunder Lal
Blind signature schemes enable a useful protocol that guarantee the anonymity of the participants while Signcryption offers authentication of message and confidentiality of message…
A Multi-proxy Signature Scheme for Partial delegation with Warrant
Amit K Awasthi, Sunder Lal
In some cases, the original signer may delegate its signing power to a specified proxy group while ensuring individual accountability of each participantsigner. The proxy signature…