What is a SHA-256 Cryptographic Hash Algorithm? - George Levy

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What is a SHA-256 Cryptographic Hash Algorithm?

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This did not explain how SHA-256 works. Computerphile here I come

FabianCook
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hey, I thought you will explain the algorithm. But you just explained what is sha256 and didn't said about how message digest will form.

venkatasaiprasadaka
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Forgot about this, thanks for the reminder about SHA 256! Excellent teacher/teaching!!

Cheweetina
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Thank you for the short and easy to understand description of the sha256CHA. I always appreciate it when my time is not wasted and I can easily understand what is being said.
ps question/ why do you move you face/ head around so much when you speak? I am not trying to offend but it is just a little annoying.

Again thank and I will have to see what else you have here on youtube.

kockarot
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It was simple clean understand of sha for new beginners 😊

My_Name_Is_Prashant
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@George Levy, where can I buy the Bitcoin ring you are wearing? Thanks

thegripmaster
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Hi sir I want to implement SHA-256 how can I do that?

pratibhachikkalaki
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I want to generate a sha256 key for a dynamically generated zip folder in Jenkins..can u let me know how to do this

kirancm
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So even for a data larger than the length of the digest it still gives the same length...but how can it be uniques for each input then?

sriramacharan
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The video was really explanatory. Could you explain about Stellar on a video?

prasadeej
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I am wondering if there exists a fixed point for sha256 function 🤔🤔🤔

drenag
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hey, Dude explain how the algorithm works?

dharmasakthi
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Does a SHA256 Hash work in reverse also? Can you enter the alphanumeric string and arrive at the original message?

preplan
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Wow. Thats pretty cool. Thanks for this info.

frayfray
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Hi George, will sha-256 code of the same input will always be same? Because when I am trying to generate hash from different online sha-256 generator for the same script, I am getting different hash value. So is this possible?
Will be looking forward for your response. Thanks.

sauravgoyal
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I find this and btc dubious since “NSA” was mentioned

jaenyc
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Thanks a lot for that excellent SHA256 video

eric-brunner
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You just explained how to use it, not how is made inside. What function it use

libertarian
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Cool, what does that have to do with solving Bitcoin. I cannot find one good video. I send someone $10 in Bitcoin, what happens next? Step-by-step. I send Bitcoin, what are the steps to add that transactions to the blockchain? What is the role of a HASH???

christianleetrager
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but if you only give us the hash of moby dick, we wouldnt be able to convert it to the book, correct? (Wtihout spending billions of years ofc lol?)

yandhi