
Historical Encryption: The Great Cipher
Sep 6, 2018 · 1 min read
For nearly 250 years The Great Cipher remained uncrackable, even today much of its ciphertext remains undecrypted…
It’s time to take another look back at some historical encryption, today we’re going to talk about The Great Cipher. Invented sometime around the middle of the 17th century, under King Louis XIV, The Great Cipher remained unsolved until 1893. In fact, even to this day many of its enciphered documents in the French Archives are unreadable.
So, who invented The Great Cipher? Who cracked it? And what made it so formidable?
Let’s hash it out.

