This object indicates the length in bit of the multicast cipher key.
This should be 256 for in SMS4.
The former 128bits is the encryption key and the latter 128bits is the message
integrity check key.
This should be 256 for in TKIP.
The former 128bits is the encryption key and the latter 128bits is the message
integrity check key.
This should be 128 for in CCMP.
The 128bits is the encryption key and the message integrity check key.
This should be 40 for in WEP-40.
The 40bits is the encryption key.
This should be 40 for in WEP-104.
The 104bits is the encryption key.
This should be 40 for in WEP-128.
The 128bits is the encryption key.