WTF is a Hash? Verifying a Hash

4년 전


This is an old reupload from youtube, I made it years ago when I was figuring out computer stuff. I'll admit this probably isn't the best explanation of a hash, but it's simple enough for the layman to understand.

I missed one crucial point. An important defining characteristic of a hash is that, currently, computers are not powerful enough to reverse a hashed file to see what the output came from. It's a "one-way function". This is why hashes are used because they can provide cryptographic proof that data either has or hasn't been altered.


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