Question

Here is a PYTHON3 program can do the following encryption.

string = "adam"
string = hashlib.md5(str(string).encode())
for i in range(99):
   string = hashlib.md5(str(string.hexdigest()).encode())

for i in range(100):
   string = hashlib.sha256(str(string.hexdigest()).encode())

for i in range(100):
   string = hashlib.sha512(str(string.hexdigest()).encode())

print("adam = ",string.hexdigest())

You will get a adam hashes to 6415d24f9fc04a9e0ed53c17eae60f6a7d97c1a5765a6d8d15a16f06c5be4c6dd047361bb01e5a2f424516b2992de23d69e8aee1cc6e0581cf6e2e3f63a22cd5

Use hashcat or python3 code to decrypt the following hashes. I want to know which word this hashes represent. 88466c23009271eb909e586c6707120f30a2dd6ae53fb025badb2f9d0f6765b90f124e3524d2d63719e8e668cf164411a61b1fea077ec1dd3b1db8889622095c

Answer 1

The hashes are calculated using one-way functions, i.e. it will give same output for a particular input but as it is only a one-way function, no matter what you do, you cannot decrypt it. One can try decrypting it by brute force, i.e calculating hashes of words from the dictionary and comparing it with the hash you want to decrypt.

read: http://en.wikipedia.org/wiki/Rainbow_table

You can also use online services for brute force decryption of a hash. there are plenty available and works well if the word you want to decrypt belongs to a dictionary.

But it may not work in your case as you have applied continuous hashing on it.

Please do upvote!

Thanks :)