126
IrIs BIometrIC modeL
SAS: system authentication server
SLSS: system local server sender side
SLSR: system local server receiver side
[VSSEMR]: [verify if sender can send encrypted messages
toreceiver]
8.2.3 Composition of the Model
Our global model is composed of two modules:
• Module 1—biometric authentication using the iris of the eye
• Module 2—transmission of encrypted information through
the Internet
ese two modules are each represented by a flow diagram (Mannino
2004) showing the different information flows between the various
processes to achieve a specific goal (e.g., authenticated person, identi-
fied person, or encrypted sent message).
In the following, we consider that the private key and the public
key are not the same as the priv ...