olemus
füüsiliste võtmete kasutamise korraldus
=
methods for making sure that certain keys are only used by authorized people

ülevaateid
https://en.wikipedia.org/wiki/Key_control

https://info.instakey.com/accessintelligence/6-key-control-program-best-practices

https://www.ihmnotes.in/assets/Docs/Sem-2/Accomodation/UNIT-6,%20KEYS%20AND%20KEY%20CONTROL.pdf

https://apps.dtic.mil/sti/pdfs/ADA381740.pdf

vt ka
- pääsu reguleerimine
- võtmehaldus (2)