e.Digital Corporation (fka EDIG)

[Tinroad]

DataPlay File System Interface -DFS-
-Supports content protection-
-Intelligent device level caching-
-Only requires single software translator-
-No limit to storage capacity-
-Supports long file & directory names
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C O N F I D E N T I A L C O N F I D E N T I A L

ContentKeyTM Definition
ContentKeyTM -- A DataPlay mechanism that allows an authorized user to gain permanent or temporary access to digital content on a DataPlay.com cartridge via the internet.The ContentKey TM itself is encrypted on the disk cartridge in a region that is not accessible by the user. ContentKeyTM is a part of the DataPlay File System.The ContentKeyTM can take on two forms: Enable or Enable with decryption key.

http://www.hotchips.org/pubs/HC01/19dataplay.pdf