hacktricks/generic-methodologies-and-resources/python/bruteforce-hash-few-chars.md

<details>

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```python
import hashlib

target = '2f2e2e' #/..
candidate = 0
while True:
plaintext = str(candidate)
hash = hashlib.md5(plaintext.encode('ascii')).hexdigest()
if hash[-1*(len(target)):] == target: #End in target
print('plaintext:"' + plaintext + '", md5:' + hash)
break
candidate = candidate + 1
```

```python
#From isHaacK
import hashlib
from multiprocessing import Process, Queue, cpu_count


def loose_comparison(queue, num):
target = '0e'
plaintext = f"a_prefix{str(num)}a_suffix"
hash = hashlib.md5(plaintext.encode('ascii')).hexdigest()

if hash[:len(target)] == target and not any(x in "abcdef" for x in hash[2:]):
print('plaintext: ' + plaintext + ', md5: ' + hash)
queue.put("done") # triggers program exit

def worker(queue, thread_i, threads):
for num in range(thread_i, 100**50, threads):
loose_comparison(queue, num)

def main():
procs = []
queue = Queue()
threads = cpu_count() # 2

for thread_i in range(threads):
proc = Process(target=worker, args=(queue, thread_i, threads ))
proc.daemon = True # kill all subprocess when main process exits.
procs.append(proc)
proc.start()

while queue.empty(): # exits when a subprocess is done
pass
return 0

main()
```
<details>

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