User authentication

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

Child Classifications

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