cacerts and jssecacerts

cacerts and jssecacerts are both Java KeyStores that contain trusted SSL certificates used to establish secure connections with other servers or systems.

The cacerts file is a default Java KeyStore that contains a set of trusted root CA (Certificate Authority) certificates that Java uses to validate the identity of servers or clients during SSL/TLS connections. This file is typically located in the lib/security directory of the Java installation directory and is used by default in many Java applications.

The jssecacerts file is a Java KeyStore that is used for the same purpose as cacerts, but it is often used in situations where more granular control over the trusted certificates is needed. This file is typically located in the lib/security directory of a Java installation, and its use requires explicit configuration in the Java application.

Both cacerts and jssecacerts can be managed using the keytool command-line utility that comes with the Java Development Kit (JDK). The keytool command can be used to view the contents of a KeyStore, add or remove trusted certificates, and perform other KeyStore management tasks.

The key tool command to view the content of a keystore is:

keytool -list -v -keystore [keystore_file]

This command will display a list of all the certificates in the keystore, along with their aliases and other information. The -list option specifies that we want to view the contents of the keystore. The -v option indicates that we want verbose output, which includes additional information about each certificate. The -keystore option specifies the path to the keystore file.

You may also need to provide additional options to specify the keystore password and the type of keystore (e.g., JKS or PKCS12). The full command with all options might look like this:

keytool -list -v -keystore [keystore_file] -storepass [keystore_password] -storetype [keystore_type]

Replace [keystore_file], [keystore_password], and [keystore_type] with the appropriate values for your keystore.