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Fingerprints Reach New Level With New SDK


By P. J. Connolly
October 1, 2007 — 
In the world of biometrics, fingerprint-based authentication is James Bond, but fingerprint-based identification is straight-on Buck Rogers, in terms of the task’s complexity, as well as the suitability of existing tools for the task. At least, that’s been the case until recently, but Digital Persona’s new One Touch I.D. SDK attempts to bridge the gap between science fiction and reality.

The SDK, launched in July, extends the functionality of the company’s Gold, Gold CE and Platinum SDKs by enabling fingerprints to be used as an identifier, and permitting high-speed searches against a collection of enrolled fingerprints. The company claims that in a data set of 1,000 identities, a fingerprint will return a user ID in less than two-tenths of a second.

The One Touch I.D. SDK allows the use of two-finger identification, which results in higher levels of accuracy and security. It also allows the simultaneous use of multiple databases, which is intended to provide a scalable data environment with speedy response.

Maintenance can be a chore with fingerprint recognition, and Digital Persona attempts to address some of the burning issues with the new SDK. For example, it supports the use of so-called expiration templates that limit the validity of an enrolled fingerprint to one or three years. It also provides database clean-up features that the company claims eliminate fraudulent users and redundant records.


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