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:
Aug. 13, 2013
Filed:
Aug. 06, 2010
David J. Nicholson, Seattle, WA (US);
David Lewis Fisher, Bellevue, WA (US);
Michael D. Ritche, Seattle, WA (US);
Chun-hung Lin, Redmond, WA (US);
Christopher B. Dove, Seattle, WA (US);
Kavitha Radhakrishnan, Kirkland, WA (US);
David J. Nicholson, Seattle, WA (US);
David Lewis Fisher, Bellevue, WA (US);
Michael D. Ritche, Seattle, WA (US);
Chun-Hung Lin, Redmond, WA (US);
Christopher B. Dove, Seattle, WA (US);
Kavitha Radhakrishnan, Kirkland, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
Embodiments are directed to establishing the integrity of a portion of data on at least one level of a plurality of network stack levels and automatically continuing an established federation relationship between at least two federation computer systems. In an embodiment, a first federation computer system receives a digital signature corresponding to a computer system signed by a digital signature which includes the computer system's identity and other federation relationship information configured to establish a trusted federation relationship between a first federation computer system and a second federation computer system. The first federation computer system attempts to validate the received digital signature at a first level of a network stack and determines that the validation at the first network stack layer was unsuccessful. The first federation computer system then validates the received digital signature at a second, different level of the network stack.