Memory device for protecting secure data and method for authenticating a memory device using secure data

In one embodiment, the memory device (100) has a first memory area (110) and a second memory area (120). The first memory area (110) is characterized to secure data (111). In the first memory area (110) can not be accessed by an external device (200). The second memory area (120) is configured to record encrypted secure data (121). In the second storage area (120) can be accessed by the external device (200), and the encrypted secure data (121) being an encrypted version of the secure data (111) in the first memory area (110).