Identity authentication method and system based on STC single-chip microcomputer

• Main Author: XIA XINHANG
• Format: Patent
• Language: Chinese; English
• Published: 24.01.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention relates to the technical field of information security, and discloses an identity authentication method based on an STC single chip microcomputer, which comprises the following steps: an ith authentication device decrypts ProgKeyA (i) by using KeyA (i) to obtain an executable program, stores the executable program in a program storage area of the ith authentication device, executes the program, and sends a token T to a computer after the program detects the connection with the computer; the computer receives the token T, reads the ID number of the ith authentication device, decrypts the T by using KeyB to obtain (iRNGj), and retrieves the ID, T and UpdataPin stored on the computer according to i; the computer updates the token T to the ProgKeyA (i) according to the received token T and the read ID number; determining a token T received by the computer according to the legality of the ith authentication device; and the computer compares whether the received token T value is consistent with the to