Front

Which cipher involves shifting each letter of the alphabet by a fixed number of positions?

Back

Caesar Cipher

Front

This cipher uses a grid to substitute digraphs for other digraphs.

Back

Playfair Cipher

Front

A cipher that uses a strip of paper wrapped around a cylinder to encrypt a message.

Back

Scytale Cipher

Front

A strong, symmetric-key block cipher.

Back

Blowfish Cipher

Front

A simple substitution cipher where each letter of the plaintext is replaced by a different letter.

Back

Simple Substitution Cipher

Front

A cipher that uses a simple symbol-based substitution.

Back

Pigpen Cipher

Front

A polyalphabetic substitution cipher using a keyword.

Back

Vigenère Cipher

Front

A cipher that uses multiple alphabets to encrypt a message.

Back

Polyalphabetic Cipher

Front

A cipher that substitutes multiple symbols for each plaintext letter.

Back

Homophonic Substitution Cipher

Front

The art of concealing a message within another message or medium.

Back

Steganography