Encrypt your video files using Video Sanctuary to bind to user's computer,One Computer,One Password, You only need to Encrypt Files one time,Protect the distribution of your video files.Support various types of video or audio files...
When a user wants to play an encrypted file, the encrypted file will ask a Password to play the Video This dialog box will display the Unique ID of the user's computer.
The user can send his/her own machine ID to you, and you can create a Playback Password based on the user's Unique ID.
After that the user can use this Playback Password to play your file on his/her computer. the user will not be able to share the Playback Password with other users, the user will not be able to re-distribute your files.
You Make Expire This Video After Some Amount Of Time.