1. generate keystore
command : keytool -genkey -alias testtomcat -keyalg RSA -keystore "C:\Users\rocky\testsso\testtomcat.keystore"
password : 123456
2. setting the tomcat server.xml
3. download and extract cas-server-4.0.0-release.zip
~you can find cas-server-webapp-4.0.0.war in the modules package.
~copy it to tomcat webapps package and rename to cas.war.
~execute the startup.bat command as the administrator user.
~https://localhost:8443/cas
~login with user( username : casuser; password : Mellon)