CertificateRequest.CreateSelfSigned fails on macOS Sequoia
#106775
Comments
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@Annny-Cap-Daniel Can you please try again with the |
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Thanks for your prompt reply!
and |
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I'm getting the same thing. Same exact output. |
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@vcsjones Could this be another change on Apple's end? |
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Possibly relevant: dotnet/aspnetcore#19590 (comment) |
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I am on Sequoia. Beta 7. |
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What happens if you run this console app? using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
var subject = new X500DistinguishedName("CN=localhost");
var sanBuilder = new SubjectAlternativeNameBuilder();
sanBuilder.AddDnsName("localhost");
var keyUsage = new X509KeyUsageExtension(X509KeyUsageFlags.KeyEncipherment | X509KeyUsageFlags.DigitalSignature, critical: true);
var enhancedKeyUsage = new X509EnhancedKeyUsageExtension(
[ new Oid("1.3.6.1.5.5.7.3.1", "Server Authentication") ],
critical: true);
var basicConstraints = new X509BasicConstraintsExtension(
certificateAuthority: false,
hasPathLengthConstraint: false,
pathLengthConstraint: 0,
critical: true);
using var rsa = RSA.Create(2048);
var request = new CertificateRequest(subject, rsa, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
request.CertificateExtensions.Add(basicConstraints);
request.CertificateExtensions.Add(keyUsage);
request.CertificateExtensions.Add(enhancedKeyUsage);
request.CertificateExtensions.Add(sanBuilder.Build());
var notBefore = DateTimeOffset.UtcNow.AddDays(1);
var notAfter = notBefore.AddDays(1);
using var cert = request.CreateSelfSigned(notBefore, notAfter);
Console.WriteLine(cert is not null);It creates a cert that's similar to the dev cert without all the extra baggage of being a dotnet tool. |
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I'm on MacOS Sequoia (15.0 Beta 24A5327a). Just ran the sample console app and get the same exception as in the dotnet tool: |
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And what if you change this? -certificateAuthority: false,
+certificateAuthority: true, |
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same exception unfortunately. |
That's actually good news because it means they haven't decided they don't like the slightly unusual shape of our certificate. |
dotnet dev-certs https fails on macOS SequoiaCertificateRequest.CreateSelfSigned fails on macOS Sequoia
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Moving this to |
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I don't know when we're going to have a chance to look at this (not "indefinitely far", but probably "at least several days away"). We have a few small fires to deal with for the .NET 9 release on already in-market OSes, and are super-saturated on those tasks. If anyone from the community at large wants to jump in and help debug what's going on, that'd be appreciated. |
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first try enabling verbose logging to get more detailed error messages using export DOTNET_CLI_TELEMETRY_OPTOUT=1
export DOTNET_MULTILEVEL_LOOKUP=0
dotnet dev-certs https --trust --verboseand several common troubleshooting steps would include to clear existing certificates manually or you use the security find-certificate -a
security delete-certificate -c "ASP.NET Core HTTPS development certificate"also did you ensure that your user account has the necessary permissions to access the keychain, tried creating a certificate manually using openssl ? |
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same problem: dotnet dev-certs https --trust --verbose [1] Listing certificates from CurrentUser\My [1] Listing certificates from CurrentUser\My |
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This almost certainly looks like another lifetime issue. I should be able to take a look by the end of the week. |
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Before I get to it, any chance someone can try on .NET 9 preview 7 (or later)? |
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Okay, curiosity took over so I had a peek. The "good news" is that our unit tests fail and reproduce the issue: The other "good news" is that this is the only thing that fails on macOS 15. |
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@adityamandaleeka the fix is not present in the |
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Hey same error MacOs Sequoia final version! |
Yep. This will be fixed in the October patch cycle for .NET. See the corresponding announcement for additional information. |
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Any update or workaround here? Our team is blocked because of this. Should we just reinstall the old version of Mac OS just to have this command work? |
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I am not aware of any work arounds. If downgrading is an option, that seems reasonable. The only other option would be to wait until the October release of .NET. |
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This shouldn't be closed until there is a release out the door. And someone internal should be making the call to release an emergency patch release .402 that fixes this. |
Agreed. Otherwise pointing to some documented steps on how to manually generate the certification and import it using the dotnet CLI would be better than a "wait until the October update train" hand-waive. We don't all have the luxury of not upgrading to Apple's latest OS because we're not all just dotnet developers. |
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So all the users of the modern Mac OS is blocked from using .net and you just tell to wait for the October release? Guys, it looks like a critical issue and the fix should be deployed in hours, not even days... |
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Dont think its the best but it works for the time being. Generating a self signed crt + key, convert it to a pfx and then configure the app to use that appsettings.Development.json At least i can now continue development. |
it helps me to run webapp (but I had to add config in the Program.cs) but I still can't make requests from android emulator. |
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Workaround that worked for me:
After that it ask for password install the certificate and debugging of my 8.0 app works again. |
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@pvasek xattr -d com.apple.quarantine -r dotnet-sdk-9.0.100-rc.2.24473.20-osx-arm64 |
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@kalebzettl @pvasek Thanks, that worked for me. Here's a consolidated instruction set:
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.NET 8.0.10 is already available and feels like it contains the fix. |
This worked great for me! Thanks! |
It doesn't fix it. This is still broken. Not sure how this isn't resolved yet. Entire platform completely broken without hacking with pre-release software. |
I was not able to reproduce this with Sequoia and .NET 8.0.10. Can you please be more specific about the error you are getting, steps to reproduce, and the output of 
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ok, for anyone that hits this: dotnet dev-certs https --clean Will work if it doesn't just work automatically. Thanks @vcsjones for the clean suggestion. PS: MS Mac fix for Sequoia should be in the release notes and called out exactly how to fix this. |
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I have had the same issue. I have downloaded the latest SDK (SDK 8.0.403) and it worked for me. Thanks for your help. |
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For .NET 6, it doesn't work. I uninstalled all my .NET SDKs and Runtimes and installed the latest .NET 6 version. However, when I create a new certificate and run
Do you have any suggestions? I'm working on an Intel iMac and currently can't proceed with my .NET Core projects. I need .NET 6 for a customer project. I also installed version 6.0.427, but the same issue persists. Thanks in advance! |
This issue is specifically about people getting the error "There was an error creating the HTTPS developer certificate.". However, it looks you just need to run |
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a workaround to add a functioning localhost certificate is posted in this post: https://dev.to/michaelcharles/fixing-the-https-developer-certificate-error-in-net-on-macos-sequoia-516h |
Update: repro app here
Is there an existing issue for this?
Describe the bug
the command
dotnet dev-certs httpsfails with the error:There was an error creating the HTTPS developer certificate.Exception:
What I already tried:
dotnet dev-certs https --cleanNothing changed the behaviour and i still get the same error.
Expected Behavior
the certificate should be created.
Steps To Reproduce
No response
Exceptions (if any)
No response
.NET Version
8.0.401
Anything else?
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