Cuong Manh Le a20fbf95de all: enhanced TLS certificate verification error messages ...

Added more descriptive error messages for TLS certificate verification
failures across DoH, DoT, DoQ, and DoH3 protocols. The error messages
now include:

- Certificate subject information
- Issuer organization details
- Common name of the certificate

This helps users and developers better understand certificate validation
failures by providing specific details about the untrusted certificate,
rather than just a generic "unknown authority" message.

Example error message change:
Before: "certificate signed by unknown authority"
After: "certificate signed by unknown authority: TestCA, TestOrg, TestIssuerOrg"

2025-06-10 19:42:00 +07:00

7.2 KiB

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