Re: Decryption, cookies - "Bad Data"
From: Paul Glavich [MVP ASP.NET] (glav_at_aspalliance.com-NOSPAM)
Date: 06/30/05
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Date: Thu, 30 Jun 2005 21:37:36 +1000
Are you now saying that you have your app loaded on 2 servers? (ie. a web
farm). The encryoted auth ticket by default is tied to a particular machine.
The machine.config is set to autogenerate a valid key for the symetric
encryptin/decryption for each application on the system. If you are spanning
multiple servers, you need to edit the machine.config on both servers and
replace the "AutoGenerate, IsolateApp" with a static value that is the same
across the severs.
-- - Paul Glavich MVP ASP.NET http://weblogs.asp.net/pglavich ASPInsiders member - http://www.aspinsiders.com "Jose" <discussions@avandis.co.uk> wrote in message news:1119974370.388592.76980@g44g2000cwa.googlegroups.com... > Hello all, > > We have just moved an application from one server to another. The site > has a "remember me" option whereby the user is not required to enter in > any credentials instead they are read from a cookie. > > We have been getting some strange errors: > > Error Message: "Bad Data". > Error Stack Trace: at > System.Security.Cryptography.CryptoAPITransform._DecryptData(IntPtr > hKey, Byte[] rgb, Int32 ib, Int32 cb, Boolean fDone) > > How is the "decryption key" produced - is it possible that it is > related to the server in the same way that ViewState is tied to the > particular server it came from? Please note that this is my attempt to > explain this error. > > Thanks in advance, > Jose >
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