Encrypt various types of video or audio files (e.g.,
wmv, avi, asf, mpg, rm, rmvb, mp4, flv, any other if
you have corresponding decoder ) into exe files that
can only be played when a Playback Password is
provided, and users can only play the encrypted media
files after obtaining the Playback Password provided
by you.

When a user wants to play an encrypted file, the
encrypted file will pop up a dialog box to request the
user to enter a Playback Password. This dialog box
will display the machine 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
machine ID. After that the user can use this Playback
Password to play your file on his/her computer. Since
the Playback Password is created based on the user's
machine ID, the user will not be able to share the
Playback Password with other users.

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