Cryptography

The Cardan Grille: A Mask for Words

Imagine a secret message hidden in plain sight, concealed within a perfectly ordinary letter. The Cardan grille, a simple sheet…

2 weeks ago

Entropic Linguistics: Measuring Information

Claude Shannon's information theory provides a mathematical lens to view language's predictability, a concept known as entropy. This predictability, or…

2 weeks ago

Gematria: The Hebrew Word-Number Cipher

Discover Gematria, the ancient Hebrew practice of finding hidden meaning by assigning numerical values to letters. More than a simple…

2 weeks ago

Jefferson’s Wheel Cipher: A Mechanical Verb

Thomas Jefferson's wheel cipher was more than just a spy gadget; it was a physical algorithm, a "mechanical verb" that…

2 weeks ago

Steganography: Hiding Text in Plain Sight

While cryptography scrambles a message into an unreadable mess, steganography hides the message's very existence. From ancient poets embedding secrets…

2 weeks ago

The Vigenère Cipher: A Linguistic Key

For centuries, the Vigenère cipher was known as 'the indecipherable cipher', a testament to its clever use of a linguistic…

2 weeks ago

The Zip File’s Hidden Language

Ever wondered how a zip file shrinks data? The secret isn't just computer magic; it's a hidden language built on…

3 weeks ago

The Scytale: Sparta’s Rolling Cipher

Long before digital encryption, the ancient Spartans secured their military secrets with a simple but ingenious device: the Scytale. This…

3 weeks ago

Null Ciphers: The Message in the Noise

A null cipher is a clever form of steganography where a secret is hidden within an ordinary-looking text. Instead of…

3 weeks ago

Nature’s Encryption: Animal Deceit

Animal communication isn't always honest. By viewing the natural world through the lens of cryptography, we can see how species…

3 weeks ago

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