3D Password Technology
3D Password Technology Authentication is one of the most important security services provided to the system by the different authentication schemes or algorithms. To protect any system authentication must be provided so that only authorized persons can have the right to use or handle that system & data related to that system securely. There are many authentication algorithms are available some are effective & secure but having some drawbacks. Previously there are many authentication techniques were introduced such as graphical passwords, text passwords, Biometric authentication, etc. generally, there are four types of authentication techniques are available such as: -Knowledge-based: means what you know. Textual password is the best example of this authentication scheme. – -Token-based: means what you have. This includes Credit cards, ATM cards, etc as example. -Biometrics: means what you are. Includes Thumb impression, etc. -Recognition Based: means what you recognize. Includ