OpenID 2.0

OpenID 2.0

[1] Final: OpenID Authentication 2.0 - Final ( 版) <http://openid.net/specs/openid-authentication-2_0.html>

[2] Final: OpenID Provider Authentication Policy Extension 1.0 ( 版) <http://openid.net/specs/openid-provider-authentication-policy-extension-1_0.html>

[3] OpenID 2.0 (Migration) - Google Accounts Authentication and Authorization — Google Developers ( 版) <https://developers.google.com/accounts/docs/OpenID>

Important: Google has deprecated OpenID 2.0 and will shut it down after a migration period. If your app uses OpenID 2.0, you must migrate your app by the shutdown date April 20, 2015, as shown in the migration timetable.

[4] Final: OpenID Authentication 2.0 - Final ( 版) <http://openid.net/specs/openid-authentication-2_0.html#http_encoding>

All of the keys in the request message MUST be prefixed with "openid.". This prefix prevents interference with other parameters that are passed along with the OpenID Authentication message.

[5] Yahoo! OpenID - YDN ( 版) <http://web.archive.org/web/20120114224508/http://developer.yahoo.com/openid/>

[6] livedoor Auth OpenID ( 版) <https://auth.livedoor.com/openid/>

livedoor Auth が提供するOpenID機能では http://profile.livedoor.com/<あなたのlivedoor ID> という形式のURLが作成でき、そのURLをIDとしてOpenID認証が利用出来るようになります。

また、OpenID2.0に対応しておりますので http://livedoor.com/ だけでも認証が可能です。