digital rights management - pdf & audio file
$30-100 USD
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Opublikowano prawie 15 lat temu
$30-100 USD
Płatne przy odbiorze
i need some mp3 &? pdf? files to be encrypted such that transfers/ ripping of such files will be limited. Better known as "Digital rights management" (drm) encryption and data-protection for content.
The MP3 file will be downloaded from an internet site. for sale of ebook.