We are using SecPKCS12Import C API in our application to import a self seigned public key certificate. We tried to run the application for the first time on Tahoe and it failed with OSStatus -26275 error.
The release notes didn't mention any deprecation or change in the API as per https://developer.apple.com/documentation/macos-release-notes/macos-26-release-notes.
Are we missing anything? There are no other changes done to our application.
Error -26275 is errSecDecode, which usually indicates a problem with the PKCS#12 itself. This is not necessarily in the PKCS#12 wrapper, but could be in the certificate inside that wrapper. But, regardless…
The same code with the same PKCS#12 file works on macOS 15, right?
If so, you should definitely file a bug about this. Make sure to include:
Once you’re done, post the bug number here and I’ll do some more digging.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
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