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In the event when the tie is done to Sign or Time dongle use ECC160 asymmetric algorithm operating option. Whereas, random data will be generated and signed by a digital signature on elliptic curves directly in the dongle in the course of operating the protected application. Later the signature will be verified by Guardant API function, protected by pseudo code, traffic encryption and other protection mechanisms.


Autoprotection Principle

The Native protection is based on a vaccine implemented as a universal external module. All protection functions are supported by this module. 

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Warning
titleWarning

GrdVkc32.dll vaccine must be located in a folder accessible by LoadLibrary function during the protected application startup (in the current folder, system folders of Windows, protected application folder, one of the folders of PATH list). 


Native Autoprotection Limitations

Info
titleImportant information
  1. Autoprotection should be set using a dongle of the same model that will be shipped with the protected application.
  2. To ensure the successful setting process of autoprotection as well as protected application running, the dongle [to which the application is being bound] must contain symmetric-key algorithm (GSII64 or AES).
  3. The hardware algorithm determinant in the dongle used for protection should be identical to the determinant of the same algorithm in the dongle from the protected application package.

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