Complete Git Guide: Understand and Master Git and GitHub - Hash Function Overview

The video tutorial introduces hash functions, explaining their one-way nature and consistent output for the same input. It covers popular hash functions like MD5 and SHA, detailing their bit lengths and variations such as SHA-256, SHA-384, and SHA-512. The tutorial demonstrates generating hashes online and highlights the properties of hash functions, including their inability to retrieve the original input. It also explains the hexadecimal format used for hash representation. The video concludes with a brief mention of using command line utilities for hash generation in future lectures.

Explain why knowing a hash does not allow you to retrieve the original input.

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What is the significance of hexadecimal format in representing hashes?

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