Dell PowerConnect W-Series FIPS Manual page 43

CSP
802.11i Group Master Key
(GMK)
802.11i Group Transient
Key (GTK)
802.11i Group AES-CCM
Data Encryption/MIC Key
RSA private Key
CSP TYPE GENERATION
256-bit Generated from approved
secret used RNG
to derive
GTK
256-bit Internally derived by AP
shared secret which assumes
"authenticator" role in
used to
derive group handshake
(multicast)
encryption
and integrity
keys
128-bit Derived from 802.11
AES-CCM group key handshake
key derived
from GTK
1024/2048- Generated on the AP
bit RSA (remains in AP at all
private key times)
43
STORAGE
And USE
ZEROIZATI
ON
Stored in Used to derive
plaintext in Group
volatile Transient Key
memory; (GTK)
zeroized on
reboot
Stored in Used to derive
plaintext in multicast
volatile cryptographic
memory; keys
zeroized on
reboot
Stored in Used to protect
plaintext in multicast
volatile message
memory; confidentiality
zeroized on and integrity
reboot (AES-CCM)
Stored in and Used for
protected by IKEv1/IKEv2
AP's non-
authentication
volatile when AP is
memory. authenticating
zeroized by the using
'ap wipe out
certificate
flash'
based
command authentication