4. Electrical computers and digital processing systems: support
  5. Multiple computer communication using cryptography
  6. Central trusted authority provides computer authentication

Yun-sang Oh

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Apparatus and method for managing plurality of certificates

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
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Method and apparatus for implementing secure clock in device...

Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
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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 and apparatus for searching for rights objects stored...

Information security – Prevention of unauthorized use of data including prevention... – Access control
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Method and apparatus for searching rights object and mapping...

Information security – Prevention of unauthorized use of data including prevention...
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Profile ID: LFUS-PAI-P-2312643

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