I was wondering if the following answer: link regarding hashing can be reversed?
For example if someone got hold of the hashed value, can it be easily reversed?
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3no, that is the purpose of a hash – Kai Jan 30 '19 at 22:10
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Depending on what you're using it for, the fastest hash may not be the one you want. – jonrsharpe Jan 30 '19 at 22:11
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1by definition, a hash is not reversible – Jaromanda X Jan 30 '19 at 22:14
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what they usually do is they have a list of billions of records of plain text. they will try to hash each of them and compare to the one they got from you. if they found a match, they get the plain text value. but it would usually take them years to do so, unless your plain text is something like, '123' or 'pass123'.
Ben Phung
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