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What is simple symmetric cryptography?
What ciphers are used in symmetric key cryptography?
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How symmetric ciphers encrypt and decrypt data?
3 days ago · Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία-logia, "study", respectively), is the practice and study of techniques for secure communication in the presence of adversarial behavior.
2 days ago · Symmetric ciphers are the opposite of asymmetric ciphers, like those used in public-key cryptography. These ciphers use asymmetric algorithms which use one key to encrypt data and a different key to decrypt ciphers.
1 day ago · An Enigma machine is a famous encryption machine used by the Germans during WWII to transmit coded messages. An Enigma machine allows for billions and billions of ways to encode a message, making it incredibly difficult for other nations to crack German codes during the war — for a time the code seemed unbreakable.
5 days ago · Polybius Square Cipher. A Polybius Square is a table that allows someone to convert letters into numbers. To make the encryption little harder, this table can be randomized and shared with the recipient.
Make sure to include CONTEXT: where the cipher originated (link to the source if possible), expected language, any clues you have etc. If you are posting an IMAGE OF TEXT which you can type or copy & paste, you MUST comment with a TRANSCRIPTION (text version) of the message.
19 hours ago · Imagine a famous quote all scrambled up using a secret code where each letter is swapped for another. That’s what Celebrity Ciphers are all about. You’ll need a keen eye for patterns and maybe a bit of insight into how celebs talk or write to decode the code.
