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.

Date of Patent:
Sep. 29, 2015

Filed:

Oct. 14, 2008
Applicant:

Hui LI, Singapore, SG;

Inventor:

Hui Li, Singapore, SG;

Assignee:

FINISAR CORPORATION, Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 1/26 (2006.01); G06F 21/31 (2013.01); H04B 10/40 (2013.01);
U.S. Cl.
CPC ...
H04L 9/3271 (2013.01); G06F 1/266 (2013.01); G06F 21/31 (2013.01); G06F 2221/2129 (2013.01); H04B 10/40 (2013.01);
Abstract

An embodiment of the invention includes a method of authenticating a second device connected to a first device. The method includes transmitting a first data string from the first device to the second device and receiving a second data string at the first device from the second device. The method also includes generating a third data string using an alteration key at the first device and comparing the third data string and either the first data string or the second data string. The method further includes authenticating the second device if the compared data strings match.


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