I have started cracking account, I learned this thanks to onehack community, All my combos generated are in hashed format like SHA-1 and i cannot dehash them using any tool. Help is needed
SHA1 is a cryptographic hash function, so the intention of the design was to avoid what you are trying to do.
However, breaking a SHA1 hash is technically possible. You can do so by just trying to guess what was hashed. This brute-force approach is of course not efficient, but that’s pretty much the only way.
So to answer your question: yes, it is possible, but you need significant computing power. Some researchers estimate that [it costs $70k - $120k].
As far as we can tell today, there is also no other way but to guess the hashed input.
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