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Java Platform, Standard Edition Tools Reference
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# 6 Security

These commands set security policies on your local system and create applications that can work within the scope of the security policies set at remote sites.

This section contains the following commands:

`keytool`: Manages a keystore (database) of cryptographic keys, X.509 certificate chains, and trusted certificates.

`jarsigner`: Signs and verifies Java Archive (JAR) files.

`policytool`: Reads and writes a plain text policy file based on user input through the utility GUI.

kinit: Obtains Kerberos v5 tickets.

klist: Lists entries in credential cache and keytab.

ktab: Manages entries in the key table.

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