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What's the difference between special signs and non-special signs?
The special sign is that the studio prints the novel inTo a physical book, and the to sign is to add one's own name when signing, which represents the hope of fans and the encouragement of idols to fans. To sign, that is, to write one's name, especially to express agreement, recognition, responsibility or obligation.

There are more interpretations of signature, such as digital signature, artistic signature and so on. Or a star's meaningful signature, also called signature. Signature is a kind of signature, because the signature is used the most, so the signature is often corrupted into a signature.

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In real life, some methods have been used to prove the identity of the signer. This is because the signature is credible and cannot be forged. Not reusable. There is no denying it. The signed document is irrevocable. In the coming digital life, electronic documents will gradually replace paper documents as the main body of information exchange.

The way to prove that the electronic document is made by the author is to make an electronic signature on the electronic document by simulating the ordinary handwritten signature. The author can identify himself by digital signature, and the reader can verify the identity of the author by digital signature. Because the process of information storage, transmission and processing is often carried out on an open communication network.

Therefore, information is more vulnerable to eavesdropping, interception, modification, forgery and replay attacks from outside or inside. Therefore, digital signature should have some special properties to resist these attacks.