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Tag: electronic pets, replace passwords and PIN numbers
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Portable electronic pets able to recognize his master's voice and walking style could replace passwords and PIN numbers as a way to store data and personal accounts secure, say researchers British.
Other experts, however, say the advanced Tamagotchi plan still needs some work.
Called "daemons biometrics they borrow a concept from Philip Pullman's His Dark Materials books, in which people are accompanied by an animal daemon that is a physical representation of his soul.
Pamela Briggs, a psychologist and computer scientist at Northumbria University and computer scientist Patrick Olivier University of Newcastle, in Britain than their take on the idea could match the security of biometric security systems, confidentiality and avoid the fears of augmentation systems salary.
Pets are not passwordsInstead individual biometric signature is stored in a remote database, residing in the devil – a small device worn by its owner.
Like a real pet, the devil to learn to imprint itself on its owner. After that, it would thrive in their unique biometric signals, as their voiceprint, fingerprints or walking style.
The demon-human bond is reinforced by games and interaction between the two. "Think of how the links people with babies, "Briggs said." You'd do the same with his demon – cuddle it, stroke it, play verbal games.
In presence of its owner, the signals feeding the devil "happy" and able to verify the identity of the owner, like a PIN or password.
DaemonHowever Dead, a daemon separated from his owner would receive more food this way and that wither and die, as Pullman's daemons die when separated from her husband.
The idea may seem strange, but Olivier says that elements necessary to make a prototype daemon already exist.
Accelerometers – similar to those used in the Wiimote from Nintendo – has been detected in an individual way, and voice recognition software could identify a unique voiceprint. "The problem main battery life, "says Olivier.
Researchers are reluctant to discuss exactly how he would take the demons (see Part video top right).
"The key is not the physical form of the devil, but the way it interacts with it," Briggs said. The Devil has been done in any way, "she said, according to what people use at best – for example, a toy animal.
"Immature Idea'If a person loses his demon, access their online life would be lost too, says Briggs, then a way to get a new one would be necessary.
The reaction to the idea of security experts is mixed. "The work of agents and the demons do not tend to be very tight, says John Daugman at Cambridge University, UK. Contents "It's hard to find much science or math to sink their teeth."
Alec Yasinsac at Florida State University, Tallahassee, USA, says the idea is interesting, but so far immature. "It is difficult to predict its potential," said Yasinsac. "For example, to understand how diet may become irreversible. "
A paper on biometric daemons has been submitted to usability, psychology and Security Conference 2008 in San Francisco, California, last month.

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