Behind the curve there Tom
Such encryption's been around for at least 8 years, maybe more.
And even then it isn't exactly a new idea, micro-dots were embedded into photographs as far back as the 1930's. Even paper money was used to transport micro-dots, can tell you how, but take a while.
It isn't exactly Blowfish 1028 either, unless the enclosed info is encoded before inclusion it can be handily cracked out of the file. At least, that was true of the older PET programs.