A key that encrypts other key (typically traffic encryption keys (TEKs)) for transmission or storage.
Source(s):
CNSSI 4009-2015
[Superseded]
from
CNSSI 4005
A key derived from the authorization key that is used to encrypt traffic encryption keys (TEK) during the TEK exchange.
Source(s):
NIST SP 800-127
[Withdrawn]
under Key encryption key (KEK)
A cryptographic key that is used for the encryption or decryption of other keys.
Source(s):
NIST SP 800-57 Part 2
[Superseded]
under Key encrypting key