The massive use of biometric systems rests on a price and the acceptable performances. Before elevated, the price of authentication systems decreases quickly, but the improvement of performances promises to be slower. Today, the biometric is exactly the most efficient means to protect our good, that it is material or under the shape of data processing. In a near future biometric systems go little by little to replace the use of passwords, or even of keys that are used currently for computers, cars, accesses controlled to buildings or Internet. Systems that will be profitable, will be those that will offer the interface the more simple and least coercive for the user, with guaranteeing a good level of security. Finally, biometric authentication will contribute to make the certain system use simpler and more convivial to use.

Choose one chapter Introduction 1. Biométric & authentication of the user 2. Biometric methodes 3. Other Biometrics Conclusion