Home / Science, Engineering & Maths / Data Science / The Mathematics of Cryptography: From Ancient Rome to a Quantum Future / Practise deciphering the Vigenère cipher
Practise deciphering the Vigenère cipher
You've seen how to use the Vigenère cipher: here are some exercises for you to practise with.
© Alex Holland
Here are some examples of ciphertexts and the codewords which were used to create them. Use your Caesar wheel to decipher them back to plaintext English.
-
Codeword: VIGENERE
Ciphertext: XNAYSWLMWWJFSXSW -
Codeword: ROUND
Ciphertext: LWDGAZTZZMKVMSEL -
Codeword: TRICKY
Ciphertext: BGFFLMNZRVMDVJXNPM
As always, please use the comments to report how you’re getting on, but be careful not to give away the answers!
© University of York
This article is from the online course:
The Mathematics of Cryptography: From Ancient Rome to a Quantum Future
Created by
This article is from the free online
The Mathematics of Cryptography: From Ancient Rome to a Quantum Future
Reach your personal and professional goals
Unlock access to hundreds of expert online courses and degrees from top universities and educators to gain accredited qualifications and professional CV-building certificates.
Join over 18 million learners to launch, switch or build upon your career, all at your own pace, across a wide range of topic areas.
