| 摘要 |
The invention relates to a method for transmitting video files from a service provider to at least one remote user via a data network. During the transmission period, encrypted data (d) and key data (c) that is required and is sufficient for the decryption of said data is created in the service provider area (1) from the unencrypted video data (b) by automated data processing, the encrypted data (d) is saved in the service provider area and the key data (c) is transmitted to the user and is saved by the latter. The encrypted data (d) is sent to the user area (3) at a subsequent point in time and is decrypted in said area with the aid of the key data (c). |
