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Siemens AG
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.lit format
Digital Rights Management (DRM) are supported up to level 5. DRM refers to the
various technologies that use encryption to protect digital intellectual property such as
music, movies, and books. Today the Microsoft eBook system is using three levels of
DRM:
DRM1 - Sealed
DRM3 - Inscribed
DRM5 - Owner Exclusive Fully secure. Only the device with the license file can
The activation process downloads to your computer a software module unique to you
and your computer called a "Secure Repository." This module uses your Microsoft
Passport account number and information unique to your computer to protect eBook
titles against unauthorised copying.
Also downloaded during this process is an Activation Certificate, which certifies that
your copy of Microsoft Reader is enabled for viewing protected content. This security
provides you with access to many premium eBook titles that have been copy protected
for distribution. The Activation Certificate is encrypted for the user's privacy and is only
used at the moment of a download.
The content is encrypted to ensure the authenticity of the
content. Text inside the eBook can't be modified. A
sealed eBook can be read with any copy of Microsoft
Reader. This is the basic level of security given to each
.lit file.
The content is encrypted to ensure the authenticity of the
content. Sealed titles with the content user/creator's
name appear on the front page of the eBook. This
reinforces honest usage by consumers. Anyone can read
the content.
decrypt and read the content. Owner Exclusive eBooks
can be read on all computers or devices activated by the
owner. This security level requires that the consumer's
copy of Microsoft Reader be activated.
Technical Description
SIMpad SL4
Version V2.0
36/74
20.08.01, David Brunner
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