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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63/00
Network architectures or network communication protocols for network security
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H04L63/06
for supporting key management in a packet data network
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H04L63/062
for key distribution, e.g. centrally by trusted party
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H04L63/064
Hierarchical key distribution, e.g. by multi-tier trusted parties
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