Authenticity

=Authenticity=

Definition:


Authenticity means establishing a user’s identity beyond reasonable doubt. Authenticating the user is crucial in many scenarios, particularly in business and legal matters. A simple example of authentication is a user login to a network. A more advanced example would be the use of encrypted digital signatures in a business transaction or the use of watermarking on digital photographs.

Examples: When you type in your password on facebook you communicate with the server/ database the waiting time between the computer and the database/server would be called authenticating as the server has to check if the account details you typed are valid.

face recognition software by Recognix to log on to a PC by scanning the face through a camera It uses any web camera installed on a PC or on any laptop with a built in camera. It allows manual user login by pressing a hot key defined by the user. It can also be configured to log on different users and giving them different access levels to the computer for children or guests.

Iris recognitionaation The time it takes for a iris system to identify your iris is approximately two seconds. In general a template iris pattern code contains 256 and 512 bytes of data.Up to 100,000 records a second can be scanned using a standard personal computer. Furthermore, the mismatch rate is less than one in 100,000

digtial signature: There are three common reasons for applying a digital signature to communications: Authentication, Intergrity and Non-repudiation. Digital signatures use encryption techniques


 * Authenticity ** of the text is being judged
 * Authenticity ** of writings, which make documents recognized internationally
 * Authenticity ** the validity of a user


 * Authenticity** refers to the truthfulness of origins, attributions, commitments, sincerity, devotion, and intentions.

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sources: []) [] http://itgs.wikispaces.com/authenticity http://itgs.wikispaces.com/face_recognition http://itgs.wikispaces.com/Digital+Signature .[|ITGS_-_Paper_2.docx]