= key wrapping key = key transport key

olemus
ISO/IEC 11770-5, 19790:
krüptovõti teiste võtmete krüpteerimiseks või dekrüpteerimiseks
= cryptographic key that is used for the encryption or decryption of other keys

ülevaateid
http://infocenter.sybase.com/help/index.jsp?topic=/com.sybase.infocenter.dc88886.1600/doc/html/san1362628337079.html

https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-38F.pdf

https://eprint.iacr.org/2004/340.pdf

https://eprint.iacr.org/2022/1209.pdf