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Ciphers are devices that encode secret messages. So, will you help us decode our message from Sparky's Diary? What's a Book ...

Video walkthrough of code implementation: https://youtu.be/50XM-h3h6Fw Explanation of converting from decimal to binary: ...

If you would like to support me, please like, comment & subscribe, and check me out on Patreon: ...

Attribution: David Malan of Harvard SEAS.

This will introduce substitution ciphers, specifically the keyword based substitution cipher.

Bob illustrates how to use a keyword in a substitution cipher. For more math, and more recent cryptography, subscribe to my ...

... there so let's start to piece this together a little bit and actually build some code that will allow us to do our caesar cipher in order ...

This video introduces the Caesar cipher.

MAC-then-Encrypt vs Encrypt-then-MAC for authenticated encryption. Course material via: http://sandilands.info/sgordon/teaching.

Walking through the calculations needed to implement a Caesar Cipher using the ASCII character set.

Talk by Jean-Jacques Quisquater, presented at Crypto 2017 rump session.

And so this tells us the order in which we are going to read the columns of our encryption key. So we're going to start out by writing ...

Code Review: Simplifying working Caesar cipher Helpful? Please support me on Patreon: ...

Introduction to the Vigenère cipher.

... of extra code to not just show you and compute the cipher text numerically represented but actually convert that back to the letter ...

Monoalphabetic ciphers, Playfair cipher, Viginere, One Time Pad. Course material via: http://sandilands.info/sgordon/teaching.

Code Review: Is my cipher secure? Helpful? Please support me on Patreon: https://www.patreon.com/roelvandepaar With thanks ...

Learn how to use functions to create basic encryption and decryption methods using the Python ord() and chr() functions to ...

So an improved version of the single substitution Cipher emerged from the politics of the 16th century and is known as the ...

Code Review: Salsa20 stream cipher Helpful? Please support me on Patreon: https://www.patreon.com/roelvandepaar With ...

One of the earliest cryptographic methods recorded. Disclaimer: For Educational and Entertainment purposes only!

Code Review: Implementation of Kamasutra cipher Helpful? Please support me on Patreon: ...

Code Review: Simple Caesar Cipher Function Helpful? Please support me on Patreon: https://www.patreon.com/roelvandepaar ...

I show how to assemble and use my Secret Message Decoder, posted on Cults3D ...

In this lesson we'll be looking at a new type of encryption that's known as a block cipher so far in this course we've covered ...