Extract a Public Cert from a Java Keystore/Truststore

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It can be useful to pull the public certificate out of a Java keystore (maybe called a truststore in this case, as it may just store public certs).

We can pull the cert out by running the following, which will return the X509 PEM-encoded certificate:

keytool -list -alias selfsigned -rfc -keystore keystore.jks -storepass password | \

Written by Jamie Tanna's profile image Jamie Tanna on , and last updated on .

Content for this article is shared under the terms of the Creative Commons Attribution Non Commercial Share Alike 4.0 International, and code is shared under the Apache License 2.0.

#blogumentation #java #keystore #certificates.

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