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CryptographicException: Invalid input block size.

Discussion in 'Assets and Asset Store' started by mcbauer, Mar 9, 2016.

  1. mcbauer

    mcbauer

    Joined:
    Oct 10, 2015
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    I get this error now on several asset packages that I have purchased.

    Here is the full error:

    CryptographicException: Invalid input block size.
    Mono.Security.Cryptography.SymmetricTransform.FinalDecrypt (System.Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount)
    Mono.Security.Cryptography.SymmetricTransform.TransformFinalBlock (System.Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount)
    System.Security.Cryptography.CryptoStream.Read (System.Byte[] buffer, Int32 offset, Int32 count) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Security.Cryptography/CryptoStream.cs:205)
    UnityEditor.AssetStoreUtils.DecryptFile (System.String inputFile, System.String outputFile, System.String keyIV) (at C:/buildslave/unity/build/artifacts/generated/common/editor/AssetStoreUtilsBindings.gen.cs:86)

    Any help would be greatly appreciated.

    using Unity 5.3.3
     
    mcbauer, Mar 9, 2016
    #1

  2. mcbauer

    mcbauer

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    Now getting this error on more assets that I purchased....
     
    mcbauer, Mar 14, 2016
    #2

  3. mcbauer

    mcbauer

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    So far the only way around this is contacting the publishers directly to get a direct link from them.
     
    mcbauer, Mar 14, 2016
    #3

  4. lasse

    lasse

    Unity Technologies

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    Oct 26, 2011
    Posts:
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    You should read this as: "Downloaded fewer bytes than expected." It means the download is incomplete - usually because or network hiccups of lack of disk space, etc. (Yes, it's a S***ty error message that we should improve.)
     
    lasse, Mar 15, 2016
    #4

  5. mcbauer

    mcbauer

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    Gracias. I went in and saw that those files were in fact sitting at zero bytes. Thanks.
     
    mcbauer, Mar 15, 2016
    #5

  6. mcbauer

    mcbauer

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    ok so, this still isn't helping me.

    I get that it is fewer bytes than expected, but my problem remains. I delete the package from my PC, then it shows up as needing to be downloaded again, I hit download, and it returns to giving me the same error.

    How do I fix this???
     
    mcbauer, Mar 16, 2016
    #6

  7. lasse

    lasse

    Unity Technologies

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    Which package(s) are you having problems with? Also, check your editor log - there might be another error from the download, before the decryption error.
     
    lasse, Mar 17, 2016
    #7

  8. Dave-Hampson

    Dave-Hampson

    Unity Technologies

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    Also, how much space do you have on each of your drives?

    With a 1.6Gb package, that could be an issue (needing space to download a package and then decompress it). The package gets downloaded compressed (900Meg) to your C: drive, decompressed and followed by actually importing the assets into your project (so potentially another 1.6Gb).
     
    Dave-Hampson, Mar 17, 2016
    #8

  9. mcbauer

    mcbauer

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    I have a terabyte free.

    I get this error currently with Gaia, World Creator, and SkyMasterUltimate. I just bought World Creator, and it happened right away.

    The other 2 started happening after updating them a latest version.

    Other than showing you the error I get for the CryptographicException, which appears in the console, how do I find the editor log?
     
    mcbauer, Mar 17, 2016
    #9

  10. lasse

    lasse

    Unity Technologies

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    lasse, Mar 17, 2016
    #10

  11. mcbauer

    mcbauer

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    Windows 7
     
    mcbauer, Mar 17, 2016
    #11

  12. mcbauer

    mcbauer

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    Nothing is showing in the editor log
     
    mcbauer, Mar 17, 2016
    #12

  13. mcbauer

    mcbauer

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    And it happens on everything now it seems. probably 85% of what I have bought I get the error on.
     
    mcbauer, Mar 17, 2016
    #13

  14. lasse

    lasse

    Unity Technologies

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    My bad. It's not in the editor log but in a tool-tip if you hover over the download button after it changes to error. E.g.:
    dl-error.png

    What error do you get?
     
    lasse, Mar 18, 2016
    #14

  15. mcbauer

    mcbauer

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    can't decrypt package
     
    mcbauer, Mar 18, 2016
    #15

  16. cjackcandy

    cjackcandy

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    I get the exact same error when trying to download assets when I'm located on my workplace network (no issue when at home). The hover error shows: Error: could not decrypt package file. I'm guessing my work's firewall may be blocking?
     
    cjackcandy, Mar 22, 2016
    #16

  17. mcbauer

    mcbauer

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    I'm at work too, but if that was the case, then shouldn't it do it for all the assets? it blocks maybe 80% of them, but 20% I can download with no issue.
     
    mcbauer, Mar 22, 2016
    #17

  18. Dave-Hampson

    Dave-Hampson

    Unity Technologies

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    Are the packages it blocks maybe bigger than the others? Could that account for the difference in whether the data is allowed (assuming it is something about your Internet connection which is affecting the Asset Store downloads)?

    Maybe you can take the proxy out of the equation by testing via another internet connection, for example, by tethering your PC to your phone, or by connecting to a WiFi access point or a different Ethernet?
     
    Dave-Hampson, Mar 23, 2016
    #18
    jminht likes this.

  19. mcbauer

    mcbauer

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    I cannot take the proxy out of the equation at work.

    Yes the packages it typically blocks are large (Gaia, World Creator...)

    But it is also giving the same error on Ultimate Joystick, which is 618kb.
     
    mcbauer, Mar 23, 2016
    #19

  20. Nic360

    Nic360

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    Mar 30, 2016
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    I have the same exact situation. Same error and working from office.
    If this issue resolved, if so what was the resolution.
     
    Nic360, Mar 30, 2016
    #20

  21. mcbauer

    mcbauer

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    No real solution Nic, I had to just download all packages from home and bring them in. haven't bought anything new lately so I'm not sure if this truly has fixed it--plus no updates have come out yet.
     
    mcbauer, Mar 30, 2016
    #21

  22. v.nikolaev

    v.nikolaev

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    Sep 11, 2015
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    Having the same issue in Unity 5.3.4f1:
     

    Attached Files:

    Last edited: Jul 1, 2016
    v.nikolaev, Jul 1, 2016
    #22