Biometrics parameters protected USB interface portable data storage device with USB interface accessible biometrics processor

• US 20050097338A1
• Filed: 08/03/2004
• Published: 05/05/2005
• Est. Priority Date: 10/30/2003
• Status: Abandoned Application

• Current Assignee: Ritech International Limited
• Original Assignee: Ritech International Limited
• Inventors: Lee, Kong Pheng
• Application Number:
  US10/909,413
• Publication Number:
  US 20050097338A1
• Time in Patent Office: Days
• US Class Current: 713/186
• CPC Class Codes: G06F 21/32 using biometric data, e.g. fingerprints, iris scans or voiceprints
• CPC Class Codes: G06F 21/80 in storage media based on magnetic or optical technology, e.g. disks with sectors preventing unauthorised reproduction or copying of disc-type recordable media G11B20/00
• CPC Class Codes: G06V 40/13 Sensors therefor

Abstract

A biometric parameters protected USB interface portable data storage device which integrates generic USB interface with biometric (Fingerprint) technologies to ensure data and information storage within the device are secured with personal biometrics information. The biometric processing unit is securely accessed by USB host to perform various biometrics functionalities at the control of application software running in the PC or USB On-the-Go host. The biometrics functionalities include fingerprint scanning, fingerprint bio-data generation and encryption, comparison of fingerprint bio-data and storing of fingerprint bio-data. The storage acts as a portable hard disk that can only be accessed by the user(s) with the authorized fingerprint biodata and at the same time the USB accessible biometrics processing unit of the device offers unlimited application for the application software operating in PC host and USB On-the-Go devices.

Claims

1. A portable data storage device with USB accessible biometrics processor comprising:

an embedded fingerprint biometrics processing unit and sensor, wherein the fingerprint biometrics processing unit is accessible externally by USB host and internally within the device;

a plurality of non-volatile solid state read/write memories for data and information storage;

a processor unit for interfacing with the embedded fingerprint system, a USB host and the non-volatile solid state read/write memories;

a data encryption or a data protection scheme for data and information safekeeping within the non-volatile solid state read/write memories; and

an enrollment scheme for biometric fingerprint enrollment.

2. The portable data storage device of claim 1, wherein the authorization access to the data storage is only by authorized fingerprints.

3. The portable data storage device as in claim 1, wherein a micro-controller and the embedded fingerprint biometric processing unit within the device are employed so as to authorize the read and write access of the non-volatile solid state read/write memories.

4. The portable data storage device of claim 1, wherein bio-data for authentication of any unauthorized access to the non-volatile solid state read/write memories is stored within the device.

5. The portable data storage device of claim 4, wherein the bio-data is inaccessible by the USB host.

6. The portable data storage device of claim 4, wherein users fingerprint bio-data include master fingerprint bio-data and normal user fingerprint bio-data, and the master user is able to erase the bio-data of both the master and the normal user, while the normal user is only able to erase his own bio-data.

7. The portable data storage device of claim 1, wherein an enrollment switch is used to differentiate fingerprint enrollment and normal device authentication operation.

9. The portable data storage device of claim 1, wherein the typical biometrics verification and system access time is not more than 1 second.

10. The portable data storage device of claim 1, wherein the biometrics enrollment time is not more than 1 second per user, and not more than 10 users are assigned for authority access right.

11. The portable data storage device of claim 1, wherein the memories of the nonvolatile solid stage read/write memories include flash memories.

12. The portable data storage device of claim 11, wherein the memories of the nonvolatile solid stage read/write memories are magneto-resistive random access memories commonly (MRAM).

13. The portable data storage device as in claim 2, wherein a micro-controller and the embedded fingerprint biometric processing unit within the device are employed so as to authorize the read and write access of the non-volatile solid state read/write memories.

14. The portable data storage device of claim 2, wherein bio-data for authentication of any unauthorized access to the non-volatile solid state read/write memories is stored within the device.

8. A method of using a biometric parameters protected portable data storage device, said method comprising the steps of:

scanning user'"'"'s fingerprint by a fingerprint sensor;

processing the scanned fingerprint image by a biometrics processing unit which verifies the image with the user(s) fingerprint bio-data which is in a bio-data storage unit; and

requesting another fingerprint for scanning again from the user if the verification fails.