Iridium SHOUT ns General Description Manual page 50

password, click on the Change button to open the Change Crypto Officer Password window
and complete the form. The default password, "temp password", should be entered in the Old
Password field. When done, click the Send button. After the default Crypto Officer Password
has been changed, encryption properties can be modified via the Change Encryption Settings
window using the new Crypto Officer Password.
Once the default password has been changed, the Encryption Key and Decryption Key
must be set in order to use encryption. In the Change Encryption Settings window, check Use
Encryption and choose the option Use. Then check Encryption Key and enter the key twice.
Next, check the Decryption Key and, again, enter the key twice. When done, click the Send
button. The message Update Made will be displayed.
The Encryption Key must be set in order to use encryption for the first time. The
Decryption Key is optional but is required to receive encrypted data. To change the Use
Encryption option, Encryption Key, and Decryption Key, check the box next to the settings
you wish to change. The encryption and decryption keys must be entered twice. When done,
click the Send button. The message box Update Made will be displayed to confirm successful
configuration of the selected settings.
The encryption settings will be included in the configuration file (see Section 6.2.2.4
Configure Settings) when the Save to file checkbox is selected. The Zeroize button erases the
encryption/decryption keys on the SHOUT ns.
Configuration can also be accomplished by using AT commands. The following five AT
commands are used to configure the SHOUT ns device's cryptographic options: Change Crypto
Officer Password (^CCOP), Key for Decryption (^KD), Key for Encryption (^KE), Use
Encryption (^UE), and Key Zeroization (^KZ).
6.2.2.4 Configure Settings
To configure the SHOUT ns with the current Configuration Window settings, click the
Configure button at the bottom of the Configuration Window (see Figure 9). When the settings
have been programmed and saved into the SHOUT ns, SatTerm will display the confirmation
message shown in Figure 21.
The current Configuration Window settings can be saved to a file, by clicking the "Save"
button at the bottom of the Configuration Window.
The SHOUT ns can also be configured from an existing *.ncf configuration file. To load an
existing *.ncf configuration file into the SHOUT ns, select Options > Configure from File...
from the SatTerm Main window. This will pop up a file browsing window prompting you to
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