Can’t the steps be reversed one by one to get back the original?
In: Mathematics
Hash functions are lossy conversions. The result does not have enough data to reconstruct the input.
Imagine a “hash” of your name that is just your initials. Can someone reconstruct your name from just the initials? They could try to guess, but there are a large number of names that “collide” on the same initials so you can’t tell which one is the right one.
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