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

Claim 3:
4. The method of claim 1, wherein the command of the upper host in step 101 is specifically an assertion-obtaining command,
when in Step 103 the authentication device determines the value of the fingerprint authentication identifier in the option parameter is the second preset value, the method further comprises: determining, by the authentication device, a value of a key authentication identifier in the option parameter, and based on the determining the value of the key authentication identifier is the first preset value, executing Step 105; based on the determining the value of the key authentication identifier is the second preset value, executing Step 107; and
when in Step 103 the authentication device determines the value of the fingerprint authentication identifier in the option parameter is the second preset value and the value of the key authentication identifier in the option parameter is the second preset value, Step 107 is specifically: setting, by the authentication device, the authentication mode confirmation identifier according to the value of the fingerprint authentication identifier and the value of the key authentication identifier, obtaining the client data from the command of the upper host, generating the data to be signed according to the authentication mode confirmation identifier and the client data, performing the signature operation on the data to be signed and generating the signature result.