How does xor cipher work

Find new computing challenges to boost your programming skills or spice up your teaching of computer science. Other challenges you may enjoy Cryptographic Challenge: Base64 to Hex Symmetric vs. Tagged with: cryptography , encryption. Search for:. Recent Posts. View more recent posts View all our challenges Skip to content. Change Language. Related Articles. Table of Contents. Save Article. Improve Article. Like Article. Python3 program to implement XOR - Encryption.

The same function is used to encrypt and. Define XOR key. Any character value will work. Encrypt the string. Decrypt the string. Active 3 years, 1 month ago. Viewed 56k times. Improve this question. The only way it will be no is if both says yes. Add a comment. Active Oldest Votes. XOR has inter alia these advantages when used for cryptography: Very fast computable, especially in hardware. Not making a difference between the right and left site. Being commutative.

It doesn't matter how many and in which order you XOR values. Being associative. Easy to understand and analyse. Improve this answer. Community Bot 1. Nova Nova 3, 1 1 gold badge 13 13 silver badges 22 22 bronze badges. I don't get the disadvantages in the first to last section. Ilmari Karonen Ilmari Karonen 43k 3 3 gold badges 96 96 silver badges bronze badges. Caesar cipher was just an example to show how addition any kind of addition is often used in ciphers and then later demonstrate that XOR is also an addition just modulo 2 , as from my experience programmers tend to only consider XOR purely from a boolean logic point of view.

And then I tried to come up with a simple example why addition is often used. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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