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Simon Willison’s Weblog

15th February 2007 - Link Blog

PHP and "OpenID authentication failed: Bad signature". If you’re seeing a “Bad signature” error in your PHP OpenID application it could be down to a miscompiled GMP library.

Posted 15th February 2007 at 10:02 am

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This is a link post by Simon Willison, posted on 15th February 2007.

gmp 1 openid 213 php 190

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