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The Hard-Core Coder

~ I just can't stop writing code!

The Hard-Core Coder

Tag Archives: secret codes

The Playfair Cipher

27 Sunday Oct 2019

Posted by Wyrd Smythe in Fun

≈ 1 Comment

Tags

cipher, computer code, Python code, secret codes, substitution cipher

Earlier this month, on my other blog, I wrote about the Playfair Cipher, a polygraphic substitution cipher invented by Sir Charles Wheatstone in 1854.

At the time I mused about writing some Python to automate using the cipher, and now I’ve done that, so here it is:

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