H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9/00
Cryptographic mechanisms or cryptographic; arrangements for secret or secure communications; Network security protocols
9/00
Cryptographic mechanisms or cryptographic; arrangements for secret or secure communications; Network security protocols
H04L9/08
Key distribution; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
H04L9/08
Key distribution; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
H04L9/0861
Generation of secret information including derivation or calculation of cryptographic keys or passwords
H04L9/0861
Generation of secret information including derivation or calculation of cryptographic keys or passwords
H04L9/0866
involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
H04L9/0866
involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics