Avaya Configuring Data Encryption Services User Manual download pdf (Page 33)

Enabling Encryption

117386-B Rev 00

3-3

Creating Seeds on a PC

To use a PC to create seeds that the WEP software uses to generate NPKs and

LTSSs, you issue the

wfkseed

command at the DOS prompt. Default values exist

for the key file path and the length of the LTSS key. If you want to change either

value, you must do so before you create the seeds. Instructions follow.

Changing the Path to the Key Files

WF_KEY_FILE_PATH is an environment variable that resides in the Site Manager

initialization (\windows\siteman.ini) file. It defines the location, or path, to which

WEP can write the seeds, and from which Site Manager can both retrieve the

seeds, and write the generated keys to NPK and LTSS files. The default value of

the path is n:, where n is assigned to a drive with removable media.

If you want to change the storage place for your generated key files, use an editor

such as Notepad to edit the WF_KEY_FILE_PATH line.

Changing the Length of the LTSS Key Generator

You can set the length of the LTSSs to a value other than the default of 128 bits by

editing the WF_LTSS_KEY_GEN_LEN line in the Site Manager initialization

(\windows\siteman.ini) file. Use an editor such as Notepad. You can enter a value

from 128 to 248.

Running the

wfkseed

Command

The

wfkseed

command creates the seed that enables WEP to generate random

numbers. You run this command twice to create seeds, once for the NPK key file

and and once for the LTSS key file.

Insert your choice of removable media (such as floppy disk) in an

available drive on your PC.

At the DOS prompt, enter:

wfkseed

Note:

Store the files containing NPKs and LTSSs on removable media, such as

floppy disks, and store that media in a safe place.

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Avaya Configuring Data Encryption Services User Manual Page 33