| 主权项 |
1. A structure of a security authentication device, comprising:
a smart device, which has one side formed with an audio jack and is installed with application software; and an authentication device, which is mainly composed of a plug terminal, a audio converting module and a data storage module, and is inserted into and connected to the audio jack of the smart device through the plug terminal, wherein: the plug terminal of the authentication device is inserted into and connected to the audio jack of the smart device; the audio converting module converts authentication data, stored in the data storage module, into an audio authentication signal transferred to the smart device; and the smart device converts the audio authentication signal into a digital password through the application software, so that an operation of the smart device is directly performed by automatically inputting the authentication data. |
