Some steps for using KeyTool
keytool -keystore keystore -genkey -alias private -keyalg RSA
keytool -keystore keystore -certreq -alias private -keyalg rsa -file client.csr
keytool -import -keystore keystore -file ca.pem -alias ca
# And after signing the certificate request
keytool -import -keystore keystore -file client.cer -alias public