olemus
plokkšifri kõigi raundivõtmete loomine alusvõtmest

FIPS 197:
routine used to generate a series of round keys from the cipher key

ISO/IEC 11770,
key expansion function:
function which takes as input a number of parameters, at least one of which shall be a secret key, and which gives as output keys appropriate for the intended algorithm(s) and applications

näiteid
https://crypto.stackexchange.com/questions/51951/aes-key-expansion-for-192-bit

https://uomustansiriyah.edu.iq/media/lectures/5/5_2021_06_05!07_10_53_PM.pdf