4. Electrical computers and digital processing systems: support
  5. Multiple computer communication using cryptography
  6. Particular communication authentication technique

Hisashi Umeki

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Client-server system for controlling access rights to...

Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network access regulating
Reexamination Certificate

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Key distribution method and system in secure broadcast communica

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
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Key distribution method and system in secure broadcast...

Cryptography – Key management – Key distribution
Reexamination Certificate

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