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System.Security.Cryptography.Tests.HpkeImplementationTests.InvalidEncapsulation_Rejected fails in CI #134528
Description
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1608726
Build error leg or test failing: System.Security.Cryptography.Tests.HpkeImplementationTests.InvalidEncapsulation_Rejected
Pull request: #134075
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.Tests.HpkeImplementationTests.InvalidEncapsulation_Rejected(kem: DHKEM_X25519_HKDF_SHA256, prefix: 0) [FAIL]",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}cc @vcsjones
Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1608726
Error message validated: [System.Security.Cryptography.Tests.HpkeImplementationTests.InvalidEncapsulation_Rejected(kem: DHKEM_X25519_HKDF_SHA256, prefix: 0) [FAIL]]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/23/2026 3:17:55 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 0 | 0 | 13 |
Activity
dotnet-policy-service commentedon Sep 23, 2026
Tagging subscribers to this area: @bartonjs, @vcsjones, @dotnet/area-system-security
See info in area-owners.md if you want to be subscribed.
vcsjones commentedon Sep 23, 2026
Ye olde' "Windows 10 CI run that doesn't happen for libraries runs"
I'll have a fix up shortly.
vcsjones commentedon Sep 25, 2026
Fix is merged; leaving this open until back ports are done.
vcsjones commentedon Oct 26, 2026
Closing as fixed, backported, and hasn't been seen in weeks.