48 citations · 81 across the 6 of their papers we have counts for
6 papers · 1 filter
On the Security of Liaw et al.'s Scheme
Amit K Awasthi
Recently, Liaw et al. proposed a remote user authentication scheme using smartcards. They claimed a number of features of their scheme, e.g. a dictionary of verification tables is…
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 New Remote User Authentication Scheme Using Smart Cards with Check Digits
Amit K Awasthi
Since 1981, when Lamport introduced the remote user authentication scheme using table, a plenty of schemes had been proposed with table and without table using. In 1993, Chang and…
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…
Comment on A dynamic ID-based Remote User Authentication Scheme
Amit K Awasthi
Since 1981, when Lamport introduced the remote user authentication scheme using table, a plenty of schemes had been proposed with tables or without table using. Recently Das et al.…
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…