Haihaisoft DRM-X Packager is the encryption tool that is used for protecting files, shown as the picture below:
Click here to download the packager…
With DRM-X Packager, you can protect Audios, Videos, PDF documents and SWF files very well.
Support Media Formats in Details:
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Windows Media: WMA, WMV, ASF.
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Real Media: RM, RMVB.
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Flash Video (FLV).
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AVI, MP4, H.264, SWF flash.
We still keep developing the support for many other media formats.