Bad signature problem

[Myself]

I have a problem with OpenID consumer that prevents me from enabling it on my website.

I quite often (but not every time) get the error "OpenID authentication failed: Bad signature" when I try to login on our production website, which is a Linux box. I don't think I have ever received that error on my local Windows developer machine. I googled for this error message and found other people having the same problem. One said he found out it was caused by a faulty GMP library - but we don't use GMP on the server, but bcmath. Another person was also using bcmath and he wrote "the solution was to remove the record for this server from th xxx_openid_associations table...". But I'm not sure what he references to and what I need to do in my case. I don't use a database-based store, but a file-based store. I'm using the JanRain OpenID library version 1.2.2. Also I haven't gotten a randomness source from my ISP yet - in what degree do I "need" that by the way? Anyway, when I implemented the system everything seemed to work fine, but then it started getting these signature errors ever since. Any ideas?

Regards,
Allan Jensen, WebEngineer
WinterNet Studio, Norway

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