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F
Sentinel Hardware Keys Developer’s Guide 241
Expiration Date
The fixed date after which the protected application will not run. Specify for
leasing your applications/features.
Expiration Time
The time period, after which the protected application will not run. The time
period will start soon after the application is executed first. Specify for leas-
ing your applications/features. For example,
■
The expiration time chosen is 60 minutes.
■ The application is first executed at 1500 hours of 30 September,
2007.
■ Therefore, the application will expire at 1600 hours of 30 September,
2007.
Note: If you are creating the licensing strategy much in advance and expect that
the expiration date may approach rather soon, then choose expiration
time instead. The expiration time will begin only after the first execution.
F
Feature(s)
A feature refers to the most-basic unit of a protection strategy (license tem-
plate). Refer to the topic “About Features, Templates, and Groups” on
page 41 for details.
FEK
Short for File Encryption Key. Refers to a 16-byte AES secret key used for
encrypting/decrypting the license group file (
.lgx ) sent to your distributor.