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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 keytoolcite-ref-1[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,cite-ref-2[2] Porteclecite-ref-3[3] and KeyStore Explorer.cite-ref-4[4]

• See also

• References

• External links

• Java Secure Socket Extension

• Keyring (cryptography)

• Public key infrastructure

cite-note-11. ↑ The keytool Command - a key and certificate management utility

cite-note-22. ↑ CERTivity - A multi-platform visual tool for managing keystores

cite-note-33. ↑ Portecle - Portecle is an open-source GUI application for creating, managing and examining keystores.

cite-note-44. ↑ KeyStore Explorer - An open source GUI replacement for the Java command-line utilities keytool, jarsigner and jadtool.

• Javadoc for KeyStore