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:
Dec. 24, 2013
Filed:
May. 17, 2010
Nagendra Modadugu, San Francisco, CA (US);
Bennet Yee, Mountain View, CA (US);
Nagendra Modadugu, San Francisco, CA (US);
Bennet Yee, Mountain View, CA (US);
Google Inc., Mountain View, CA (US);
Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for offline shared security key calculation. In one aspect, a method includes entering a first secure communication session with a remote device. A plurality of nonces are provided to the remote device during the first secure communication session. The first secure communication session is exited. A communication is received from the remote device after exiting the first communication session. The communication includes an indication of one of the plurality of nonces. A session key is generated using the indicated one of the plurality of nonces. A second secure communication session is entered with the remote device using the generated session key. Other embodiments of this aspect include corresponding systems, apparatus, and computer programs, configured to perform the actions of the methods, encoded on computer storage devices.