Use UNKNOWN for auth algorithm type as this is what also gets passed during the Tls handshake.

Author: kannanjgithub

netty/src/main/java/io/grpc/netty/X509AuthorityVerifier.java

@@ -103,6 +103,6 @@ private void verifyAuthorityAllowedForPeerCert(String authority)
       throw new IllegalStateException("checkServerTrustedMethod not found");
     }
     checkServerTrustedMethod.invoke(
-            x509ExtendedTrustManager, x509PeerCertificates, "RSA", sslEngineWrapper);
+            x509ExtendedTrustManager, x509PeerCertificates, "UNKNOWN", sslEngineWrapper);
   }
 }