Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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9/00
Cryptographic mechanisms or cryptographic; arrangements for secret or secure communications; Network security protocols
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H04L9/08
Key distribution; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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H04L9/0816
Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
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H04L9/0855
involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes
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