4. Electrical computers and digital processing systems: support
  5. Data processing protection using cryptography
  6. By stored data protection

Byung-rae Lee

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Method and apparatus for managing digital rights of portable...

Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
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Method and apparatus for playing back content based on...

Information security – Prevention of unauthorized use of data including prevention... – Access control
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Method for sharing rights objects between users

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
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Method of authenticating content provider and assuring...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Method of authenticating content provider and assuring...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Profile ID: LFUS-PAI-P-2292320

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