An Enhanced Distributed Certificate Authority Scheme for Authentication in Mobile Ad-hoc

Rajaram Ayyasamy1 and Palaniswami Subramani2 1Electronics and Communication Engineering Departmen t, Karpagam College of Engineering, Anna

High-Availability Decentralized Cryptographic Multi-Agent Key Recovery

# Cryptographic key management # secret sharing # key r ecovery # KRAs

Progressive Visual Cryptography with Friendly and Size Invariant Shares

like shares. As long as there are over k shares stacked out of n shares, the secret image can be directly decoded by the human

#Visual cryptography # progressive visual cryptography # secret sharing # unexpanded share # meaningful (Friendly) share

An Enhanced Distributed Certificate Authority Scheme for Authentication in Mobile Ad-hoc

Rajaram Ayyasamy1 and Palaniswami Subramani2 1Electronics and Communication Engineering Departmen t, Karpagam College of Engineering, Anna

# Shamir’s secret sharing # DoS # routing cum forwardin g # certificate revocation # certification revival

New Fool Proof Examination System through Color Visual Cryptography and Signature Authentication

Mohamed Fathimal1 and Arockia Jansirani2 1Department of Computer Science and Engineering, SRM Institute of Science and Technology, India 2Department of Computer Science and Engineering, Manonmaniam Sundaranar University, India

#Visual cryptography # secret sharing scheme # examination system # information security # authentication