可以参考metalink号：762286.1
End To End Examples of using SSL With Oracle‘s JDBC THIN Driver
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大致steps:
1. create a auto-login wallet
2. add a self-signed certificate in wallet
3. export the certificate
4. 配置 ssl listener
5. 配置 ssl tnsnames
6. 测试连接。
oracle SSL 配置
原文：https://www.cnblogs.com/yaoyangding/p/12013956.html
