Cryptology Basics: Understanding Block Cipher Padding πŸ”

Learn the essentials of block cipher padding in cryptography. This tutorial explains how padding works to ensure secure encryption and decryption processes. Perfect for students and enthusiasts!

Cryptology Basics: Understanding Block Cipher Padding πŸ”
Cryptography for Everybody
1.2K views β€’ Aug 30, 2022
Cryptology Basics: Understanding Block Cipher Padding πŸ”

About this video

#cryptology, #cryptography, #cryptanalysis, #lecture, #course, #tutorial

In this video, we discuss padding. When you encrypt a ciphertext using a block cipher, the last block may be of a different size than the cipher's block size. In this case, we pad. Here, we discuss different padding modes in detail as well as have a look at these in CrypTool 2.

Padding modes we discuss:
- β€œNone”
- 0-Padding
- 1-0-Padding
- ANSI X9.23 Padding
- ISO 10126 Padding
- PKCS#7 Padding

If you are interested in learning the fundaments of cryptology, let me invite you to have a look at our video series about the basics of cryptology, also for beginners: https://youtu.be/jbumW7Ym03o

You can download the latest version of CrypTool 2 from here: https://www.cryptool.org/en/ct2/downloads

Visit my blog: https://www.kopaldev.de
Like what I do πŸ˜„? Help fuel my crypto obsession πŸŽ“ β€” buy me a coffee hereβ˜•β€” thx: https://buymeacoffee.com/cryptographyforeverybody

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Video Information

Views

1.2K

Likes

38

Duration

20:02

Published

Aug 30, 2022

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