Supported Operating System: Windows 2000/2003/XP/Vista/win7,support 32-bit and 64-bit OS; With this encryption tool, you can 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. Since the Playback Password is bond to the user's computer, the user will not be able to re-distribute your files.

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