Learn More
In 1995, Naor and Shamir proposed a technique of secret sharing, called visual cryptography. In visual cryptography, the secret message is divided into shares which are copied onto transparencies and given to participants. In general <i>k</i>-out-of-<i>n</i> visual cryptography, at-least <i>k</i> of the <i>n</i> shares belonging to a qualified set need to(More)
  • 1