Standard for SteGAnography

[SINCLAIR DOUGLAS N]

> > know = 100% objective certainty
> Well, OTP gives you this.  Probabilistic encryption does too, I
> think (the original version -- not the practical version).  Quantum
> cryptography is pretty close, depending on how much trust you place
> in the laws of physics.  Granted, none of these are very useful.

Don't forget Dining Cryptographer's nets and CalShad nets.