User's Manual

LKS User Guide ULP Key Management Overview
On-Ramp Wireless Confidential and Proprietary 3 010-0059-00 Rev. A
The Gateway key file is then sent to all LKS machines that provision nodes for the system. The
shared symmetric key is generated on the KMS side from a user-entered passphrase when the
Master Key File is created by the Generate Gateway Keys Utility (generate_gw_keys.py). The
shared symmetric key is generated on the LKS side from a user-entered passphrase when the
node key database is created using the Import Gateway Keys Utility (import_gw_keys.py). The
passphrase used by LKS must be the same as the passphrase used by the KMS.
NOTE: The Gateway key and the code download (CDLD) key are unique to the network
operator. The network operator sends these keys to all of its supplier factories.
The following figure provides an overview of key generation and export.