Use "cryptology" in a sentence

1. We don’t actually use books and pads now, although we still call them that because computer cryptology uses much the same principles

2. “Assessing now,” one of the ship’s cryptology officers said

3. He should have known the trek to the outpost was too easy, but they’d been overconfident and desperate, and they’d relied on fabricated transmissions sent to them by, ironically, one of the cryptology officers assigned to Operation Star Dive