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:
Mar. 25, 2008

Filed:

Mar. 30, 2006
Applicants:

Rudolph Balaz, Redmond, WA (US);

Victor W. Heller, Issaquah, WA (US);

Xiaohong Su, Issaquah, WA (US);

Keith R. Vogel, Duvall, WA (US);

Inventors:

Rudolph Balaz, Redmond, WA (US);

Victor W. Heller, Issaquah, WA (US);

Xiaohong Su, Issaquah, WA (US);

Keith R. Vogel, Duvall, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); G06F 15/16 (2006.01); G06F 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A virtual private network (VPN) enrollment protocol gateway is described herein. The protocol gateway is implemented as a registration authority that operates as an intermediary between routers and a certificate authority, allowing routers operating in accordance with one protocol to obtain and maintain certificates for a VPN from a certificate authority operating in accordance with another protocol. In accordance with one aspect, the gateway protocol supports various requests from the router, including router enrollment requests, get certificate revocation list request, get certificate requests, get certificate authority certificate requests, and password requests.


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