Cryptography Buff T-Shirts

'Remember that code we couldn't decipher for seven years? We deciphered it - but do we want to know everything there is to know about rainfall in eastern Peru?'

"The good old days of eating the washing off the line are all gone methinks: The farmer has bought an electric dryer..."

"Meet the author"

"I didn't complain, when you crashed the computer."

High security Santa's grotto

Moses' Tablet

'He's been like this ever since he had his laser eye treatment.'

Graduates on their phones

"OK, you're good and just the guy we need in security."

Hamlet's struggle with online shopping addiction. To eBay or not to eBay.

'We subpoenaed all of 'Mr. Big's' electronic messages. They're in morse code.'

Algorithm 'n' Blues

Ice shelfie.

Rocket and Witch Race

"Cloning is an imperfect science."

"That? It's where I keep all my passwords."

"I warned him not to keep his bitcoins under the mattress."

'Hey! I sad, 'You've got mail!''

Typewriters and Laptops.

It appears to be some sort of computer virus.

Moon: Made in China

"It's a fantastic computer! It's so old that none of today's hackers know how to hack it!"

'Those are my triplets. Com, Net and Org Barnes.'

"Heart transplant surgery waiting room"

'I can't read their smoke signal. It's encrypted.'

'Of all the technological advances from the last 60 years, this is one's favourite.'

"What did you think of the encryption article?"

"To retrieve password: Please answer your secret question, which is, 'what is your password?' hahahaha!"

'It says it works so fast, it's accumulated seven thousand years of vacation with pay.'

The Best Defense

'Those are my twins: NASDAQ and Dow. They were born at the height of the dot.com boom.'

"Wow, these e-readers take forever to burn..."

A caveman rubs two sticks together and gets a computer.

"Nd how did tht mke u feel?"

Aggression/Security