Saturday Mac riddles 317

Here are this weekend’s Mac riddles to entertain you through family time, shopping and recreation.

1: Total banker’s order quickly verifies integrity.

2: 1 broke by 2005, 2 is still cryptographic, 3 is even better, but not in Iran.

3: Missing from …MNOPQTUVW… but present in CD.

To help you cross-check your solutions, or confuse you further, there’s a common factor between them.

I’ll post my solutions first thing on Monday morning.

Please don’t post your solutions as comments here: it spoils it for others.