A user with special permissions can perform various SKCE operations using skceclient and its engines such as EncryptionEngine, LdapEngine, and SigningEngine. Each engine have their own operations to use.

1. Open a terminal window.

2. Change directory where skceclient.jar is present.

   shell> cd /usr/local/strongauth/topaz

3. Execute sample client to view usage by using the following command:

   shell> java -jar skceclient.jar

   Output

   $ example:~/topaz> java -jar skceclient.jar 
   NOTE: Picked up JDK_JAVA_OPTIONS: --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.lang.reflect=ALL-UNNAMED --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.management/javax.management.openmbean=ALL-UNNAMED --add-opens java.management/javax.management=ALL-UNNAMED --add-opens java.base/sun.security.provider=ALL-UNNAMED
   
   Copyright (c) 2001-2025 StrongAuth, Inc. All rights reserved.
   
   Usage: java -cp skceclient.jar EncryptionEngine 
          java -cp skceclient.jar LdapEngine 
          java -cp skceclient.jar SigningEngine

Here is a brief description of each engine used with skceclient: