Midhuna Murali. C , Manjusha. P , Shobana. D
Computer and network security is one of the most Crucial areas today. With so many attacks happening on all kinds of computer systems and networks, it is imperative that the subject be understood by students who are going to be the IT professionals of the future. This paper includes discrete structures used in stream and block ciphers in symmetric cryptography and gives a brief description about the advantages, disadvantages and applications of visual cryptography.
Encryption, Decryption, Confidentiality, Integrity, Non-repudiation, Authentication, Visual Cryptography.