mridulm commented on code in PR #43220:
URL: https://github.com/apache/spark/pull/43220#discussion_r1346908774


##########
common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java:
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@@ -257,6 +258,159 @@ public int sslShuffleChunkSize() {
       conf.get("spark.network.ssl.maxEncryptedBlockSize", "64k")));
   }
 
+  /**
+   * Whether Secure (SSL/TLS) RPC (including Block Transfer Service) is enabled
+   */
+  public boolean sslRpcEnabled() {
+    return conf.getBoolean("spark.ssl.rpc.enabled", false);
+  }

Review Comment:
   Actually, looking at it again, I want to make sure I am not missing 
something here.
   
   Currently, `sslRpcEnabledAndKeysAreValid` will return `false` when key store 
is specified, but trust store is not - and so ssl factory will be `null`.
   
   Within ssl factory, we do have code to handle the case of trust store being 
null resulting in accepting all server certs - but this will never get 
triggered since factory is null.
   
   What am I missing here ?
   
   
   



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