Patent ID: 11930118
Assignee: FEITIAN TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 18:
19. The authentication device of claim 16, wherein
the security environment chip is further configured to, based on the determining the value of the fingerprint authenticating identifier in the option parameter is the first preset value, generate a special status code; further configured to, based on the determining the value of the fingerprint authentication identifier in the option parameter is the second preset value, generate a special status code;
send the special status code to the fingerprint management chip;
the fingerprint management chip is further configured to determine whether the special status code is legitimate;
based on the determining the special status code is legitimate, generate a random number;
based on the determining the value of the fingerprint authentication identifier in the option parameter is the first preset value and the special status code is legitimate, prompt the user to input the fingerprint, verify the fingerprint input by the user to obtain the user operation verification result; based on the determining the value of the fingerprint authentication identifier in the option parameter is the second preset value and the special status code is legitimate, prompt the user to press the key and verify the key pressed by the user to obtain the user operation verification result;
use the random number and a first session key to encrypt the user operation verification result to obtain an encrypted user operation verification result;
send the encrypted user operation verification result and the random number to the security environment chip;
based on the determining the special status code is not legitimate, report an error; and
use the random number to decrypt the received encrypted user operation verification result to obtain the user operation verification result.