Feistel Encoding (Cipher) made easy + step by step example ✅️

Published: 22 May 2020
on channel: Project Code Mastery

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#feistel #encoding
By the end of this video you will learn how to do Feistel Encoding (Encryption, Cipher). Do not get discouraged, if needed watch the video a few times and I promise you will understand how it works.

If you have not watched the Feistel Decoding (decryption) video you can do so here:
   • Feistel DECODING (Cipher)  made easy ...

Here are the steps for Feistel encoding

step1: Divide the plaintext into two parts, L0 and R0 (L - left, R - right)
step2: R0 is encoded using fs(R0) and the result is stored into E
step3: L1 = R0 and R1 = L0 xor E
step4: concatenate L1 and R1 to obtain the result

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