Java KeyStore

A Java KeyStore (JKS) is a repository of security certificates – either authorization certificates or public key certificates – plus corresponding private keys, used for instance in TLS encryption.

In IBM WebSphere Application Server and Oracle WebLogic Server, a file with extension jks serves as a keystore.

The Java Development Kit maintains a CA keystore file named cacerts in folder jre/lib/security. JDKs provide a tool named keytool[1] to manipulate the keystore. keytool has no functionality to extract the private key out of the keystore, but this is possible with third-party tools like jksExportKey, CERTivity,[2] Portecle[3] and KeyStore Explorer.[4]

See also

References
  1. The keytool Command - a key and certificate management utility
  2. CERTivity - A multi-platform visual tool for managing keystores
  3. Portecle - Portecle is an open-source GUI application for creating, managing and examining keystores.
  4. KeyStore Explorer - An open source GUI replacement for the Java command-line utilities keytool, jarsigner and jadtool.
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