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Sunday, April 4, 2021

What is the use of the dongle?

What is the use of the dongle?


Excuse me, what is the use of the dongle? Thank you.
 
The computer dog, that is, the dongle, and the dongle now referred to is generally a hardware dongle. It is something similar to a USB flash drive, and it is an anti-piracy method. Generally, a small part of the program or the decrypted part is integrated into the hardware of the dongle to prevent software piracy.
It seems that there is no good way to crack it except copy the dongle.
The dongle is often regarded as a hardware protection. It is a small plug-in that can be attached to the computer's parallel port, serial port, or USB. It contains a manufacturer-burned EPROM and a customized application specific integrated circuit. The principle of dongle protection is that the software developer often checks the cell in the dongle in the program and compares the return value. This check can be directly reading the cell or using some internal algorithm (the cell cannot be directly protected at this time. read).

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