Re: Cryptographic service provider (CSP) could not be found for this a
From: Sven-Torben Janus (s-tjanus_at_gmx.de)
Date: 09/10/04
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Date: Fri, 10 Sep 2004 09:24:58 +0200
What do you mean by "the user profile need to be loaded" ?
How can I test this ? And why works everything fine when the ASPNET user has
administrator priviliges ?
Regards,
Sven-Torben
"Daniel Sie [MSFT]" <dsie@online.microsoft.com> schrieb im Newsbeitrag
news:OcIQ9GulEHA.2492@TK2MSFTNGP15.phx.gbl...
> I doubt this has anything to do with privileges. May be the user profile
> need to be loaded.
>
> --
> Thanks,
>
> Daniel Sie [MSFT]
>
> This posting is provided "AS IS" with no warranties, and confers no
rights.
> "Sven-Torben Janus" <s-tjanus@gmx.de> wrote in message
> news:ejlu5lclEHA.2140@TK2MSFTNGP15.phx.gbl...
> > Hello,
> >
> > thanks for your reply.
> >
> > It does not seem to be the algorithm.
> > I did a lot of testing today. It must have something to do with user
> > permissions.
> > If I give administrator-priviliges to the aspnet user and to my domain
> > user
> > (the one I use for impersonation) everything works fine. (I really don't
> > like that).
> >
> > I tried all possible combinations of user priviliges (also all the ones
> > suggested in different newsgroups) but that doesn't solve the problem.
> > I tried filemon and regmon but I could not find any errors.
> > If I disable impersonation everything works fine as well.
> >
> > btw: IIS uses IntegratedWindowsAuthentication and
AnonymousAuthentication
> > but I tried all possible combinations. No success.
> >
> > Do you have any other suggestions ?
> >
> > Regards,
> >
> > Sven-Torben
> >
> > "lelteto" <lelteto@discussions.microsoft.com> schrieb im Newsbeitrag
> > news:81AE20AA-B0D3-4FC8-845D-A6F459B1DC2B@microsoft.com...
> >> Can you check if the algorithm used is AES? That would explain your
> > problem.
> >> The MS CSP handling AES is not by default installed on Windows 2000 -
> >> although you CAN install it (that's why on some computers it works). It
> >> is
> >> installed on Windows XP. If this is, in fact, your problem you can
solve
> > it
> >> in two ways:
> >> 1. Make sure the AES CSP is installed on your target machines
> >> 2. or switch to Triple-DES as algorithm.
> >>
> >> Laszlo Elteto
> >> SafeNet, Inc.
> >>
> >> "Sven-Torben Janus" wrote:
> >>
> >> > I'm running an ASP.NET webapplication on a Windows 2000 Server SP4
> > machine
> >> > with .Net Framework 1.0 installed.
> >> >
> >> > The ASP.Net application uses impersonation (windows domain account).
> > This is
> >> > needed for communication between two servers (some ldap stuff).
> >> > Furthermore the application uses FormsAuthentication. At some point
the
> >> > FomrAuthentication.Decrypt method is called. At this point I get the
> >> > following error:
> >> >
> >> >
> >> > Cryptographic service provider (CSP) could not be found for this
> > algorithm.
> >> > Description: An unhandled exception occurred during the execution of
> >> > the
> >> > current web request.
> >> > Please review the stack trace for more information about the error
and
> > where
> >> > it originated in the code.
> >> >
> >> > Exception Details:
> >> > System.Security.Cryptography.CryptographicException:
> >> > Cryptographic service provider (CSP) could not be found for this
> > algorithm.
> >> >
> >> > Source Error:
> >> > An unhandled exception was generated during the execution of the
> >> > current
> > web
> >> > request. Information regarding the origin and location of the
exception
> > can
> >> > be identified using the exception stack trace below.
> >> >
> >> > Stack Trace:
> >> >
> >> > [CryptographicException: Cryptographic service provider
> >> > (CSP) could not be found for this algorithm.]
> >> >
> >> > System.Security.Cryptography.DESCryptoServiceProvider..ctor() +239
> >> > System.Web.Security.FormsAuthentication.Initialize() +242
> >> > System.Web.Security.FormsAuthenticationModule.OnEnter(Object
source,
> >> > EventArgs eventArgs) +146
> >> > System.Web.SyncEventExecutionStep.Execute() +60
> >> > System.Web.HttpApplication.ExecuteStep(IExecutionStep step,
Boolean&
> >> > completedSynchronously) +87
> >> >
> >> >
> >> >
> >> >
> >> > The application runs fine on another Win2K SP4 machine and also on
some
> >> > other WinXP machines.
> >> > I tried to install the Windows 2000 High Encryption Package. But that
> > didn't
> >> > solve the problem.
> >> > The error doesn't occur when I turn impersonation off. But the
> > application
> >> > needs impersonation so this is no solution.
> >> >
> >> > So what to do ?
> >> > I searched msdn and the internet but I couldn't find anything that
> > solves
> >> > the problem.
> >> >
> >> > Any help is appreciatet.
> >> >
> >> > Thanks in advance.
> >> >
> >> > Sven-Torben
> >> >
> >> >
> >> >
> >
> >
>
>
- Next message: Matt Bertolini: "slayerui.dll: Where is the information stored???"
- Previous message: Daniel Sie [MSFT]: "Re: Cryptographic service provider (CSP) could not be found for this a"
- In reply to: Daniel Sie [MSFT]: "Re: Cryptographic service provider (CSP) could not be found for this a"
- Next in thread: Svein Terje Gaup: "Re: Cryptographic service provider (CSP) could not be found for this algorithm."
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