The following shows countermeasures enabled, you can see various execution paths taken during the encryption:
[[File:sam4l_wcountermeasures.png|600px]]
Compare this to the countermeasures disabled:
[[File:sam4l_nocountermeasures.png|600px]]
The following shows no countermeasures enabled, note the consistent execution path:
[[File:sam4l_nocountermeasures.png|600px]]
== Schematic ==