A novel approach for circular random grid with share authentication

Secrecy, Integrity and Authenticity are the major trust areas whenever information is subjected to third party intervention who can gain data access from vulnerable links in the system, communication channel or individual user identity. While addressing these issues, Cryptography turns out to be the trusted brand in the computer science fraternity and Visual Cryptography, as one among this, is a methodology where the secret recovery is done with human visual system without having to perform complex calculations. The proposed scheme complies with the methodology of secret sharing scheme where secret information is divided into various shares in meaningless form and is further recovered on overlapping printed transparencies with the shared information on it. Each of them is then validated for authenticity. An attempt has been made to use circular rings to embed the secret information with certain angular rotation and validation of the individual cipher shared in order to avoid cheating.