DIFF Subgroup
G06F 21/42 using separate channels for security data
Introduced: January 2013
Full Title
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity > Authentication, i.e. establishing the identity or authorisation of security principals > User authentication > using separate channels for security data
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2013.
Child Classifications
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