Published onMay 8, 2026Diffie-Hellman Explained: How Two People Share Secrets Over Public Channelscryptographydiffie-hellmanmathematicskey-exchangesecurityencryptionmodular-arithmeticA step-by-step mathematical deep-dive into how Diffie-Hellman key exchange works - from simple paint mixing analogies to the discrete logarithm problem that makes it unbreakable.