CPC Subgroup Additional Only
G06Q 2220/14 Requiring a supplemental attachment or input, e.g. a dongle, to open
Full Title
Business processing using cryptography > Usage protection of distributed data files > Requiring a supplemental attachment or input, e.g. a dongle, to open
1 direct subcode
Child Classifications
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- G06Q 2220/145 Specific computer ID, e.g. serial number, configuration