olemus
sõltub kontekstist

näiteid
autentimine, mis põhineb pretensiooni ja vastusega protseduuril ja võtmepaaril ning väldib kiipkaardi kopeerimise ja kloonimise
= authentication based on a challenge-and-response procedure and a key pair, avoiding the copying and cloning of a smart card
ISO/IEC 18013:
mehhanism, mis kasutab turvalise kiibi turvalisel alal olevat teavet kinnitamiseks, et see teave ja muud masinloetavad andmed anti välja koos
= mechanism that uses information stored in a secure area of a secure integrated circuit (SIC) to confirm that the SIC and the other machine-readable data were issued together

ülevaateid
https://community.fortinet.com/t5/FortiGate/Technical-Tip-Active-and-passive-authentication-behavior/ta-p/192967
http://www.icao.int/Meetings/TAG-MRTD/Documents/Tag-Mrtd-18/Kinneging.pdf
https://arxiv.org/pdf/1503.08479.pdf
https://gist.github.com/amonks/9629622
http://www.cs.sjsu.edu/faculty/pollett/masters/Semesters/Spring04/Shivani/CS298Presentation.pdf