A storage medium with encryption device, with - an electronic storage area, - an interface for reading in data into the storage medium and for reading out data from the storage medium, - a reading-in device coupled between the interface and the storage area for storing data from the interface into the storage area, - a reading-out device coupled between the interface and the storage area for outputting data from the storage area to the interface, - a key memory in which a secret key is stored or can be stored, - an encryption device coupled with the reading-in device for encrypting data input at the interface into the storage medium with the key, and - a decryption device coupled with the reading-out device for decrypting data output from the storage area, wherein - the reading-out device has: - a decrypting reading-out channel adapted so that, via the decrypting reading-out channel, data stored in the storage area in encrypted fashion can be decrypted employing the decryption device with the key stored in the key memory or a decryption key corresponding to the key stored in the key memory, and can be output in decrypted form to the interface and - the storage medium further has an authentication device coupled with the reading-out device, wherein the authentication device is adapted such that via the decrypting reading-out channel the data can be output to the interface in decrypted form at most upon a successful authentication, characterized in that - the reading-in device is adapted to encrypt any data input at the interface for storing in the storage area with the key stored in the key memory and to store said data in encrypted fashion in the storage area, and - the reading-out device further has: - a direct reading-out channel adapted so that, via the direct reading-out channel, data stored in encrypted fashion in the storage area can be output to the interface in the encrypted form, bypassing the decryption device, and - the data can be output via the direct reading-out channel in the encrypted form upon non-existent or unsuccessful authentication. - an electronic storage area, - an interface for reading in data into the storage medium and for reading out data from the storage medium, - a reading-in device coupled between the interface and the storage area for storing data from the interface into the storage area, - a reading-out device coupled between the interface and the storage area for outputting data from the storage area to the interface, - a key memory in which a secret key is stored or can be stored, - an encryption device coupled with the reading-in device for encrypting data input at the interface into the storage medium with the key, and - a decryption device coupled with the reading-out device for decrypting data output from the storage area, wherein - the reading-out device has: - a decrypting reading-out channel adapted so that, via the decrypting reading-out channel, data stored in the storage area in encrypted fashion can be decrypted employing the decryption device with the key stored in the key memory or a decryption key corresponding to the key stored in the key memory, and can be output in decrypted form to the interface and - a decrypting reading-out channel adapted so that, via the decrypting reading-out channel, data stored in the storage area in encrypted fashion can be decrypted employing the decryption device with the key stored in the key memory or a decryption key corresponding to the key stored in the key memory, and can be output in decrypted form to the interface and - the storage medium further has an authentication device coupled with the reading-out device, wherein the authentication device is adapted such that via the decrypting reading-out channel the data can be output to the interface in decrypted form at most upon a successful authentication, - the reading-in device is adapted to encrypt any data input at the interface for storing in the storage area with the key stored in the key memory and to store said data in encrypted fashion in the storage area, and - the reading-out device further has: - a direct reading-out channel adapted so that, via the direct reading-out channel, data stored in encrypted fashion in the storage area can be output to the interface in the encrypted form, bypassing the decryption device, and - a direct reading-out channel adapted so that, via the direct reading-out channel, data stored in encrypted fashion in the storage area can be output to the interface in the encrypted form, bypassing the decryption device, and - the data can be output via the direct reading-out channel in the encrypted form upon non-existent or unsuccessful authentication.