Just type in a bunch of random characters like ksljhdfklsfjas into the text box, select the MD5 button, and hit submit. First, load this page to do an MD5 hash: 't use the site you linked to, because if you hash something they probably store it in their database for lookup later. They don't do decryption there, they just do a database lookup.To prove that, take a look at this example. We will look into our databaseSo, in the database they have a record that says the string "fe01ce2a7fbac8fafaed7c982a04e229" corresponds to the word "demo". MD5 and SHA are not encryption/decryption, they are hashing. But if you want to argue about whether or not MD5 is reversible, go ahead and do a Google search on the topic before you say that there DEFINATELY must be a way to reverse the hash.
But, like I said, if you figure out a way to de-hash MD5 or SHA then please do notify the NSA and the CIA, they will probably be interested in hiring you.If you want alternatives to decrypting MD5, feel free to ask. Just because the passwords you are using might be less then 32 bytes does not mean that there exists any algorithm to convert the hash to the original.
MD5 DECODE IN PHP PASSWORD
The same thing with a password, if someone types in a password that is 255 bytes, and it gets hashed into a 32 byte hash, how are you supposed to convert those 32 bytes into the original 255 bytes? It doesn't work that way, that's not what MD5 is supposed to be used for.
If you have a 1-gigabyte file, and you take the MD5 hash of it, which is 32 bytes, how the heck are you supposed to convert those 32 bytes into the original 1073741824 bytes? How does that work? How can you map 32 bytes to 1073741824 bytes? I'll save you the time, the answer is you can't. Not only that, but the nature of the algorithm makes it so. The specific point of MD5 is so that it cannot be decrypted. OK buddy, if you think you can come up with an algorithm to decrpyt MD5, go right ahead, and when you're done, make sure you notify the National Security Agency and the Central Intelligence Agency, because their cryptanalysts have been trying to decrypt it and they aren't able to.
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