14 citations · 54 across the 7 of their papers we have counts for
7 papers
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…
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…
A Directed Threshold - Signature Scheme
Sunder Lal, Manoj Kumar
Directed signature is the solution of such problems when the signed message contains information sensitive to the signature receiver. Generally, in many application of directed sig…
A New Proxy Ring Signature Scheme
Amit K. Awasthi, Sunder Lal
The concept of ring signature was introduced by Rivest, Shamir and Tauman. This signature is considered to be a simplified group signature from which identity of signer is ambiguou…
Some Applications of Directed Signature Scheme
Sunder Lal, Manoj Kumar
Directed signature scheme is applicable when the signed message contains information sensitive to the receiver, because only receiver can directly verify the signature and that he/…