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R225 Eid Exclusive — Error

The error code typically appears in the context of Electronic Identity (eID) systems, most notably within the Belgium eID software

family in eID applications. It occurs when the software (the eID Viewer or your browser) tries to access the digital certificates on your card but fails to complete the handshake. Common Triggers: Dirty or faulty chip: error r225 eid

application on your computer. If the card reads successfully there but fails in your browser, the issue is likely with your browser settings or certificates rather than the hardware. The error code typically appears in the context

2. Broken Report Definition

Reporting tools like Crystal Reports or SSRS store definitions (.rpt files). If these definitions point to a table column or parameter that no longer exists (due to a database schema update), the runtime engine (R225) cannot resolve the EID. If the card reads successfully there but fails

Comments:

  1. Ivar says:

    © The True Dock 2026. All Rights Reserved.

    I can imagine it took quite a while to figure it out.

    I’m looking forward to play with the new .net 5/6 build of NDepend. I guess that also took quite some testing to make sure everything was right.

    I understand the reasons to pick .net reactor. The UI is indeed very understandable. There are a few things I don’t like about it but in general it’s a good choice.

    Thanks for sharing your experience.

  2. David Gerding says:

    Nice write-up and much appreciated.

  3. Very good article. I was questioning myself a lot about the use of obfuscators and have also tried out some of the mentioned, but at the company we don’t use one in the end…

    What I am asking myself is when I publish my .net file to singel file, ready to run with an fixed runtime identifer I’ll get sort of binary code.
    At first glance I cannot dissasemble and reconstruct any code from it.
    What do you think, do I still need an obfuscator for this szenario?

    1. > when I publish my .net file to singel file, ready to run with an fixed runtime identifer I’ll get sort of binary code.

      Do you mean that you are using .NET Ahead Of Time compilation (AOT)? as explained here:
      https://blog.ndepend.com/net-native-aot-explained/

      In that case the code is much less decompilable (since there is no more IL Intermediate Language code). But a motivated hacker can still decompile it and see how the code works. However Obfuscator presented here are not concerned with this scenario.

  4. OK. After some thinking and updating my ILSpy to the latest version I found out that ILpy can diassemble and show all sources of an “publish single file” application. (DnSpy can’t by the way…)
    So there IS definitifely still the need to obfuscate….

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