feat: encrypted mtls private key support (#496)
(1) support encrypted private key decryption
(2) support reading encrypted key and passphrase from cert provider
command
Co-authored-by: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com>
diff --git a/google/auth/exceptions.py b/google/auth/exceptions.py
index 5b61460..da06d86 100644
--- a/google/auth/exceptions.py
+++ b/google/auth/exceptions.py
@@ -39,3 +39,7 @@
class MutualTLSChannelError(GoogleAuthError):
"""Used to indicate that mutual TLS channel creation is failed, or mutual
TLS channel credentials is missing or invalid."""
+
+
+class ClientCertError(GoogleAuthError):
+ """Used to indicate that client certificate is missing or invalid."""