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Diffie Hellman

How do we

Correction : as oodles of commenters have pointed out, the clock face should go from 0 to n-1. Also, worth reminding people that ...

Spies used to meet in the park to

In the early days the UK had its own thoughts on how email addresses should look. Dr Julian Onions was there!

Just what happens when you hit a

RSA is widespread on the Internet, and uses large prime numbers - but how does it work? Dr Tim Muller takes us through the ...

Secure Hashing Algorithm (SHA1) explained. Dr Mike Pound explains how files are used to generate seemingly random hash ...

Diffie-Hellman key exchange

It's absolutely everywhere, but what is TLS and where did it come from? Dr Mike Pound explains the background behind this ...

Just what are elliptic curves and why use a graph shape in cryptography? Dr Mike Pound explains. Mike's myriad

End to end encryption, government ministers are again talking about stopping it. What is it and why might that be a bad idea?

Bit flipping a stream cipher could help you hit the Jackpot! But not with HMAC. Dr Mike Pound explains. Correction : "pseudo" is ...