| 摘要 |
The invention relates to a data security method for secure data use in a motor vehicle, said data security method comprising: reading in (10) a user authentication (100) of a motor vehicle user. Checking (20) if the user authentication (100) is valid. If the user authentication is valid: obtaining (30) an encrypted personal data set (110) from a database (200) external to the motor vehicle by means of the user authentication (100). Decrypting (40) the encrypted personal data set (110). Keeping available (50) the decrypted personal data set (110) in a device (300) of the motor vehicle. After use of the motor vehicle by the motor vehicle user has ended: reading out (60) a further personal data set (120) from the device (300) of the motor vehicle. Encrypting (70) the further personal data set (300). And transmitting (80) the encrypted further personal data set (120) to the database (200) external to the motor vehicle. |
