Github user laurentgo commented on a diff in the pull request:
https://github.com/apache/drill/pull/950#discussion_r142719553
--- Diff: contrib/native/client/readme.ssl ---
@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+Installing OpenSSL -
+ On Mac:
+ brew install openssl
+ On Linux :
+
+Set up the certificate
+ Generate a private key
+
+ openssl genrsa -des3 -out drillTestServerKey.pem 1024
+
+ Generate Certificate signing request
+
+ openssl req -new -key drillTestServerKey.pem -out
drillTestServer.csr
+
+ Sign certificate with private key
+
+ openssl x509 -req -days 3650 -in drillTestServer.csr -signkey
drillTestServerKey.pem -out drillTestCert.pem
+
+ Remove password requirement (needed for example)
+
+ cp drillTestServerKey.pem drillTestServerKey.safe.pem
+ openssl rsa -in drillTestServerKey.safe.pem -out
drillTestServerKey.pem
+
+ Generate dhparam file
+
+ openssl dhparam -out dh512.pem 512
--- End diff --
what this file is for?
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