I want to protect audio files but I want to make a similar system to DRM where the user downloads a file and then has to Activate it by entering a username and password. A encryption key is then downloaded to the clients computer. The client can then decrypt the files.
The question I have is what stops one sharing his downloaded key with all his friends? With DRM you must download a new key on each computer. How does this work?
DRM usually works using a symmetric key encryption scheme aka shared secrets where the *same* private key is used for encryption and decryption. Thus, there is always a copy of the private key in memory
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How to record audio from input sources to your PC – connected devices, connected preamp to record vinyl discs, streaming media, that play through your audio card: Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10 – both 32 bit & 64.
This video will demonstrate how to customize windows, tools, and control bars, and save them as screen sets.
Open and resize windows:
Customize the toolbar:
Customize the control bar:
Customize your tool selections:
Your screen set is alread…
The Email Laundry PDF encryption service allows companies to send confidential encrypted emails to anybody. The PDF document can also contain attachments that are embedded in the encrypted PDF. The password is randomly generated by The Email Laundr…