Biological characteristic password desensitization protection method based on SM9 algorithm
A biometric and algorithmic technology, applied in digital data protection, computing, computer components, etc., can solve problems such as information security
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[0025] The biometric desensitization protection method and system based on the SM9 algorithm will be described below in conjunction with the accompanying drawings.
[0026] image 3 It is a schematic diagram of the application of the present invention in fingerprint biometric identification. The figure includes a user, a terminal with an integrated fingerprint sensor.
[0027] fingerprint registration
[0028] A1: The user presses the fingerprint on the terminal, and the fingerprint is collected into an image by the fingerprint sensor on the terminal. After the image is processed, the fingerprint feature template is obtained. It is assumed that the feature template is composed of N feature points, and each feature point Ni is a binary group (feature Type, characteristic value), encoded into a value according to the agreed rules.
[0029] A2: The user enters a random number k, and k and the fingerprint feature template are input into the algorithm processing module of the te...
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