How hash function work?

What is hash function/algorithm? What is mainly used for? What are three basic characteristics of a secure hash algorithm? In this video, I will also demonstrate how hash function works.

Playlist: Basic Cryptography

Advanced Cryptography:

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Sunny's videos have been one of my most valuable resources for learning. If I run in to a concept I don't understand the first thing I do is literally ask myself "Does Sunny have a video?"

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I love how he is Asian but uses some Caribbean/Hawaiian intro music.

I am going to school for Network Security and it seems in every single class I am researching something and Sunny pops up. He explains things in an easily understandable way that always helps me with my homework!

[poornakulkarni]

Great teaching I understood hash concept in just 4 minutes great sir.... Great

[roviejeromebascos]

Thank you very much sunny ! Now I understand hash. I learned a lot from you. You explained every topic very well.

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Hey Sunny, your tutorials are amazing, very straight-forward and easy to understand . Thanks a lot !

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One of the best teacher I have witnessed in my life. You have made complex topic just like butter to understand in easy way. Love from India. 😊

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His humor makes the video so fun to watch

[imannajwabintimasrunupm]

took computer security class this semester, and your videos are AMAZINGG :D currently binge-watching; thank you for making these!!

[SuperNovaone]

best video I've seen today about hashing, simple and informative!

[paulcampbell]

This is great Sunny. Understood it perfectly.

[YoungUnited]

Thanks a lot. My prof couldnt explain to me in 3 hours what you did in 4 minutes. Much appreciated sir!

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the use of Donald Trump twitter was brilliant as its true reason to log in regardless of political lense XD
Great videos

[alseynidiop]

I understand hash concept in 4 minute. You are a great teacher. Thank you.

[orestis]

I finally understood it! Thank god!! I have an exam tomorrow and hash functions are a must know!

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If I could write a script to go through all your videos and like them I would. Long time subscriber. Been watching your content for years and always keep coming back Sunny. You are a great teacher. Thank you brother and God Bless.

[ganjiraja]

I was searching for How hash function works in this was fun to watch too.

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You joke about your english, but you are a breath of fresh air after all the different topics I've been studying. I think what I like the most is the you drill into very specific topics and it is all very DIGEST-ible... :D :D