Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06F
ELECTRIC DIGITAL DATA PROCESSING
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21/00
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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G06F21/30
Authentication, i.e. establishing the identity or authorisation of security principals
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G06F21/34
involving the use of external additional devices, e.g. dongles or smart cards
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G06F21/35
communicating wirelessly
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