58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
#!/usr/bin/env python3
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"""
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This program intents to "break" _magic_ hashes for the SHA-2 algorithms family.
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It will generate random strings, only containing printable ASCII characters.
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If a magic hash is found, it will create a text file and will write down the match.
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"""
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import hashlib
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import random
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import re
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import string
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if __name__ == '__main__':
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# Generate "plausible" password strings, between 4 and 32-character long.
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BOUNDS = (4 + 1, 32 + 1)
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POOL = string.ascii_letters + string.digits + string.punctuation
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# _______________________________________________________________________
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# "Magic Hashes" format.
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PATTERN = re.compile(r'^0+e\d+$')
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# ______________________
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# Hash methods to search against.
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HASH_METHODS = [
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hashlib.sha224,
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hashlib.sha256,
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hashlib.sha384,
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hashlib.sha512
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]
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# _______________________________
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while True:
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# Let's generate a random string !
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# pylint: disable=C0103
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random_string = ''.join(
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random.choice(POOL) for _ in range(random.randint(*BOUNDS))
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).encode()
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# ________________________________
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# Compute hashes over here.
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for hash_method in HASH_METHODS:
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digest = hash_method(random_string).hexdigest()
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if re.search(PATTERN, digest):
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with open('magic_hashes.txt', 'a') as f_magic:
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f_magic.write(
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'[{0}]\t{1}\t{2}\n'.format(
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hash_method.__name__,
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random_string.decode(),
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digest
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)
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)
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# _________________________
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