SafeNet Sentinel, Руководство разработчика

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Adding API Features
Sentinel Hardware Keys Developer’s Guide 103
Note: You can use the following Business Layer API functions for an ECC feature:
- SFNTSign - To sign content.
- SFNTVerify - To verify the signed content.
Adding Counter Feature
1. In the License Designer screen, load the template to which the
Counter feature will be added.
2. Click the API tab.
3. Click Add . The Add Features dialog box appears.
4. Select Counter.
5. Specify a value between 0 to 4,294,967,295 for the default instance.
6. Selecting the Add instances later check box will allow you to add
new feature instances later in the License Manager screen. This
option helps in modifying the "licensing values" without modifying
the "licensing implementation" in the application/code.
7. Provide a name for this feature (necessary).
8. The constant name will be automatically generated. However, you
may modify it, if needed.
9. You may optionally provide comments. When done, click OK .
Note: You can use the following Business Layer API functions for a Counter fea-
ture:
- SFNTCounterDecrement - To decrement the Counter value by specified
amount on each call.
- SFNTReadInteger - To read the Counter value