What is S4 encryption lock
Encryption lock, also known as dongle, is an intelligent tool with software protection function provided for software developers. It includes a hardware installed on the computer parallel port or USB port, and a set of interface software and tool software suitable for various languages.
Encryption lock is based on hardware protection technology. Its purpose is to prevent the illegal use of intellectual property rights through the protection of software and data.
S4 encryption lock is a reflection on generation 4 encryption lock
S4 encryption lock, which we call deep thinking IV encryption lock, is an intelligent lock product of Beijing deep thinking lock company (www.sense. Com. CN). It is characterized by transplanting part of the PC software source code into the lock (32K or 64K). This effect is that if you don't know the code in the lock, It is impossible to pirate the software encrypted by S4:) even if explosive force modifies the encrypted file, it will cause problems such as incomplete function, memory or address error during execution
A very powerful hardware encryption product
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