The Key data payload contains key material. It should be added as sub payload to the KEMAC.
the key data
length of key_data
key_data
the #GstMIKEYKeyDataType of key_data
key validity data
length of kv_data
kv_data
the Key Validity type
the payload header
salt data
the length of salt_data, can be 0
salt_data,
The Key data payload contains key material. It should be added as sub payload to the KEMAC.