Method for encrypting USB flash disk with fingerprint authentication
A technology of fingerprint authentication and encryption area, which is applied in the computer field, can solve the problems that do not conform to the principle of independent controllability of information security products, effective information exposure, and reduced security, so as to reduce the amount of information, reduce storage space, and reduce the possibility Effect
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[0021] The present invention will be described in further detail below in conjunction with accompanying drawing, but not as any restriction to the present invention
[0022] Embodiment of the present invention: use the method of fingerprint authentication to encrypt the U disk, partition the U disk into a common area and an encrypted area, and when encrypting for the first time, first collect the user's fingerprint information, and obtain the user's fingerprint information through the fingerprint eigenvalue function. The fingerprint feature value, the feature of the fingerprint is the overall feature and the local feature, the overall feature includes the basic texture pattern ring type, bow type, spiral type; the local feature refers to the node on the fingerprint, which includes the classification of the node, the direction of the node , node curvature and node position; after extracting these information, the feature value is obtained through a fingerprint recognition algori...
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