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Thursday, July 15, 2021

Brief introduction of softdog

Brief introduction of softdog


Software dongle is a kind of encryption product which is inserted into the parallel port of computer and combines software and hardware (the new software dongle also has USB port). Generally, there are dozens or hundreds of bytes of nonvolatile storage space for reading and writing to check whether the software dongle is inserted in the interface; Or directly use the tool attached to the softdog to encrypt your own EXE file (commonly known as shell). In this way, software developers can set multiple software locks in the software and use the softdog as the key to open these locks; If the softdog is not inserted or the softdog does not correspond, the software will not run normally.

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