Memory chip with encryption function and anti-piracy method
A storage chip and memory technology, applied in instruments, electrical digital data processing, computer security devices, etc., to achieve the effects of reducing costs, increasing encryption functions, and reducing workload
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[0029] The preferred embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0030] The memory chip with encryption function of the present invention, such as image 3 As shown, it includes a data bus and a storage unit, and also includes an encryption module connected in parallel with the storage unit on the data bus, and the encryption module includes a write-only key area, a first encryption operator and an encryption result memory.
[0031] The write-only key area is used to store the first key, the write-only key area is directly connected to the data bus of the memory chip, the first key can be written through the data bus, but the The first key cannot be read via the data bus. When the electronic product including the memory chip leaves the factory, the memory chip needs to be initialized. During the initialization process, the write-only key area of the memory chip is written with the first key,...
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