Trivial to solve with OCR though, which sort of defeats the purpose entirely. I'm fairly certain the letters would just be in plaintext in the SWF anyway, so it

Trivial to solve with OCR though, which sort of defeats the purpose entirely. I'm fairly certain the letters would just be in plaintext in the SWF anyway, so it's probably breakable for a malicious person at no cost. Hard for the user, easy for criminals, smells like DRM to me.