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Rights Info w/ email addresses
Content KeyEncrypted with
the server’s
public key
Publishing
License
The Content of the File
(Text, Pictures, metadata, etc)
End User
Licenses
Content Key(big random number)
Rights for a
particular user
Encrypted
with the user’s
public key
Created when
file is protected
Only added to
the file after the
server licenses a
user to open it
Encrypted with
Content Key, a
cryptographically
secure 128-bit
AES symmetric
encryption key
Encrypted with
the server’s
public key
Encrypted
with the user’s
public key
Information Author Information Recipient
Rights
Management
Server
Database Server Directory Server
5/03/2007