User authentication

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

Of 9 combined children, 7 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 2013.

Child Classifications

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G06F 21/313 CPC only CPC only
G06F 21/316 CPC only CPC only
G06F 21/32 using biometric data, e.g. fingerprints, iris scans or voiceprints since 2013 IPC+CPC Available in IPC and CPC
G06F 21/33 using certificates since 2013 +1 CPC IPC+CPC Available in IPC and CPC
G06F 21/34 involving the use of external additional devices, e.g. dongles or smart cards since 2013 IPC+CPC Available in IPC and CPC
G06F 21/36 by graphic or iconic representation since 2013 IPC+CPC Available in IPC and CPC
G06F 21/40 by quorum, i.e. whereby two or more security principals are required since 2013 IPC+CPC Available in IPC and CPC
G06F 21/41 where a single sign-on provides access to a plurality of computers since 2013 IPC+CPC Available in IPC and CPC
G06F 21/42 using separate channels for security data since 2013 IPC+CPC Available in IPC and CPC