How to add or list certificates from keystore or trustStore in Java - Keytool Example

How to add or list certificates from keystore or trustStore in Java - Keytool Example

Important point about SSL, KeyStore and keyTool in Java

1. Certificates are required to access secure sites using SSL protocol or making secure connection from client to server.

2. JRE stores certificates inside keystore named as "cacerts" in folder C:/Program Files/Java//jdk1.6.0_20/jre/lib/security.

3. Common password of keystore is "Changeit"

4. Keytool is used to access keystore in Java and by using keytool you can list, add certificates from keystore.

5. if you are implementing SSL connection on Server side say Tomcat you need both keyStore and trustStore, both can be same file though. keyStore will be used to store server certificate which server will present to client on SSL connection.

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