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    <p>As said before encrypting passwords is just moving the problem somewhere else.</p> <p>Anyway, it's quite simple. Just write a class with static fields for your secret key and so on, and static methods to encrypt, decrypt your passwords. Encrypt your password in Tomcat's configuration file (<code>server.xml</code> or <code>yourapp.xml</code>...) using this class.</p> <p>And to decrypt the password "on the fly" in Tomcat, extend the DBCP's <code>BasicDataSourceFactory</code> and use this factory in your resource.</p> <p>It will look like:</p> <pre class="lang-xml prettyprint-override"><code> &lt;Resource name="jdbc/myDataSource" auth="Container" type="javax.sql.DataSource" username="user" password="encryptedpassword" driverClassName="driverClass" factory="mypackage.MyCustomBasicDataSourceFactory" url="jdbc:blabla://..."/&gt; </code></pre> <p>And for the custom factory:</p> <pre class="lang-java prettyprint-override"><code>package mypackage; .... public class MyCustomBasicDataSourceFactory extends org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory { @Override public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment) throws Exception { Object o = super.getObjectInstance(obj, name, nameCtx, environment); if (o != null) { BasicDataSource ds = (BasicDataSource) o; if (ds.getPassword() != null &amp;&amp; ds.getPassword().length() &gt; 0) { String pwd = MyPasswordUtilClass.unscramblePassword(ds.getPassword()); ds.setPassword(pwd); } return ds; } else { return null; } } </code></pre> <p>Hope this helps.</p>
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    1. POHow to avoid storing passwords in the clear for tomcat's server.xml Resource definition of a DataSource?
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    1. USAhmed Ashour
    1. USJerome Delattre
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    1. COTo me, this doesn't add any security, because the attacker can always decompile your jar to get the password you hardcoded in the class file...
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      1. USdmansfield
 

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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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