The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2017
Filed:
Aug. 04, 2014
Weijian Wang, Shenzhen, Guangdong, CN;
Xiaofeng Wang, Shenzhen, Guangdong, CN;
Weijian Wang, Shenzhen, CN;
Xiaofeng Wang, Shenzhen, CN;
Hanling Lin, Shenzhen, CN;
Xiaoyang Wang, Yibin, CN;
Other;
Abstract
The present invention relates to information security and discloses a method of establishing public key cryptographic protocols against the quantum computational attack. The method includes the following steps: definition of an infinite non-abelian group G; choosing two private keys in G by two entities; a second entity computing y, and sending y to a first entity; the first entity computing x and z, and sending (x, z) to the second entity; the second entity computing w and v, and sending (w, v) to the first entity; the first entity computing u, and sending u to the second entity; and the first entity computing K, and the second entity computing K, thereby reaching a shared key K=K=K. The security guarantee of a public key cryptographic algorithm created by the present invention relies on unsolvability of a problem, and has an advantage of free of the quantum computational attack.