Non-actionable Known Build Error. Windows CNG just internally erroring in a way we cannot diagnose.
Error message:
System.Security.Cryptography.CryptographicException : An internal consistency check failed.
Stack trace:
at System.Security.Cryptography.CngKey.Create(CngAlgorithm algorithm, String keyName, CngKeyCreationParameters creationParameters) in /_/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/CngKey.Create.cs:line 49
at System.Security.Cryptography.CngAlgorithmCore.GetOrGenerateKey(Int32 keySize, CngAlgorithm algorithm) in /_/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/CngAlgorithmCore.cs:line 73
at System.Security.Cryptography.RSACng.get_Key() in /_/src/libraries/System.Security.Cryptography/src/System/Security/Cryptography/RSACng.Key.cs:line 24
at System.Security.Cryptography.RSACng.ExportParameters(Boolean includePrivateParameters) in /_/src/libraries/Common/src/System/Security/Cryptography/RSACng.ImportExport.cs:line 183
at System.Security.Cryptography.Rsa.Tests.RSAXml.FromToXml() in /_/src/libraries/Common/tests/System/Security/Cryptography/AlgorithmImplementations/RSA/RSAXml.cs:line 989
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57
Known Issue Error Message
DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
Fill the error message using step by step known issues guidance.
{
"ErrorMessage": "System.Security.Cryptography.CryptographicException : An internal consistency check failed.",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1474245
Error message validated: [System.Security.Cryptography.CryptographicException : An internal consistency check failed.]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 6/22/2026 3:29:49 PM UTC
Report
Summary
| 24-Hour Hit Count |
7-Day Hit Count |
1-Month Count |
| 0 |
0 |
0 |
Non-actionable Known Build Error. Windows CNG just internally erroring in a way we cannot diagnose.
Error message:
Stack trace:
Known Issue Error Message
DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
Fill the error message using step by step known issues guidance.
{ "ErrorMessage": "System.Security.Cryptography.CryptographicException : An internal consistency check failed.", "ErrorPattern": "", "BuildRetry": false, "ExcludeConsoleLog": false }Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1474245
Error message validated:
[System.Security.Cryptography.CryptographicException : An internal consistency check failed.]Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 6/22/2026 3:29:49 PM UTC
Report
Summary