Microsoft plans CardSpace plug-in for Firefox

Software will enable the open-source Web browser to work with Microsoft's identity management technology

Microsoft will write a software plug-in that allows the Firefox open-source Web browser to work with Microsoft's CardSpace identity management technology.

The plug-in will be written at Microsoft's Open Source Software Lab and released eventually to the open-source community, said Hank Janssen, the lab's program manager, at the TechEd IT Forum in Barcelona on Wednesday.

"We're actually writing the CardSpace extension, and [The Mozilla Foundation] were very, very excited about it," according to Janssen.

CardSpace, which was formerly called InfoCard, aims to make it easier for users to manage and control the personal information they give to Web sites. Microsoft is promoting it as a way to replace user names and passwords and provide a better defense against phishing and other types of online fraud.

The technology, which will be included in Windows Vista, stores the personal information on a user's computer. Microsoft's first attempt at identity management, called Passport, didn't catch on, partly because Microsoft planned to store users' information on its own servers, which raised privacy concerns.

The work with Firefox continues Microsoft's cooperative efforts with the Mozilla Foundation, the distributor of Firefox, that would have been unheard of until recently, Janssen said.

A group of Firefox developers came to Microsoft last month to ask questions about how to improve the browser's performance in Windows, Janssen said. Jokes circulated on discussion boards that black helicopters were flying overhead and that Microsoft might try to abduct the team, Janssen said.

Microsoft provided "unfettered" access to all the people they needed to talk to make Firefox work better with Vista, according to Janssen said. "They even talked to the IE people."

The Mozilla team left intact after three days. As for as the black helicopters, "We're not that organized," Janssen said. "We would like to be, maybe."

No timetable has been set for when the plug-in will be completed or how it will be distributed, Microsoft said.

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