:keytool -genkey
WARNING: Error loading security provider org.bouncycastle.jce.provider.BouncyCastleProvider: java.lang.ClassNotFoundException: org.bouncycastle.jce.provider.BouncyCastleProvider not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
WARNING: Error loading security provider gnu.crypto.jce.GnuCrypto: java.lang.ClassNotFoundException: gnu.crypto.jce.GnuCrypto not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
Enter key store password: 
Enter key password for <mykey>: