Chip legality authentication method and device
A legal and chip technology, applied in the field of information security and integrated circuits, can solve the problems of circuit module or key certificate cracking, the security risk of chip authentication mechanism, etc., to prevent implantation, avoid illegal authentication requests, avoid Ineffective effect
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[0045] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0046] The embodiment of the present invention discloses a method and device for authenticating the legality of a chip to safely authenticate the legality of a chip.
[0047] See figure 1 , A method for authenticating chip legitimacy provided by an embodiment of the present invention includes:
[0048] S101. The terminal obtains a random number, and encrypts the random number for the first time by using the terminal key built into the termin...
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