security - md5 decoding. How they do it? -

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I thought it is impossible to decode MD5 hash, but I got the device, which decoded them. But I do not know how they do in such a short period (this is about each other).

Please help me understand.

Thanks

This does not decode an MD5 hash Uses what is called a ... This is the reason that it is very important to use it instead of storing a hash ...


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