From 19570dbb48676496844a5a7862cbeca1ee44a783 Mon Sep 17 00:00:00 2001
From: Sigma-Ohio <crt@teleco.ch>
Date: Mon, 9 Jun 2025 05:44:03 +0200
Subject: I AM SO SIGMA !!!IOEUFOASDUFSDJIOF

---
 research/bad-bruteforcing/do-crack.py | 71 -----------------------------------
 1 file changed, 71 deletions(-)
 delete mode 100644 research/bad-bruteforcing/do-crack.py

(limited to 'research/bad-bruteforcing/do-crack.py')

diff --git a/research/bad-bruteforcing/do-crack.py b/research/bad-bruteforcing/do-crack.py
deleted file mode 100644
index 2862e38..0000000
--- a/research/bad-bruteforcing/do-crack.py
+++ /dev/null
@@ -1,71 +0,0 @@
-import os, sys
-from itertools import product
-from multiprocessing import Pool, cpu_count
-from binascii import unhexlify
-import tqdm
-
-def load_samples(folder):
-    msgs, crcs = [], []
-    for fn in os.listdir(folder):
-        with open(os.path.join(folder,fn),'r') as f:
-            for L in f:
-                if '=' not in L: continue
-                h,c = L.strip().split('=',1)
-                try:
-                    msgs.append(unhexlify(h))
-                    crcs.append(int(c,16))
-                except:
-                    pass
-    return msgs, crcs
-
-def calc_crc8(data, poly, init, xorout, ri, ro):
-    crc = init
-    for b in data:
-        if ri: b = int('{:08b}'.format(b)[::-1],2)
-        crc ^= b
-        for _ in range(8):
-            crc = ((crc << 1) ^ poly) & 0xFF if crc & 0x80 else (crc << 1) & 0xFF
-    if ro: crc = int('{:08b}'.format(crc)[::-1],2)
-    return crc ^ xorout
-
-def test_config(args):
-    poly, init, xorout, ri, ro, msgs, crcs = args
-    ok = 0
-    total = len(msgs)
-    for d, chk in zip(msgs, crcs):
-        if calc_crc8(d, poly, init, xorout, ri, ro) == chk:
-            ok += 1
-    return (poly, init, xorout, ri, ro, ok, total)
-
-def main(folder):
-    msgs, crcs = load_samples(folder)
-    if len(msgs) < 2:
-        sys.exit("Need at least 2 samples")
-    tasks = [
-        (poly, init, xorout, ri, ro, msgs, crcs)
-        for poly in range(256) if (poly & 1 or poly == 1)
-        for init, xorout, ri, ro in product(range(256), range(256), [False, True], [False, True])
-    ]
-
-    print(f"Wasting ressources on {len(tasks):,} configs using {cpu_count()} cores... yea")
-    best = []
-    target = len(msgs)
-    with Pool() as p:
-        for poly, init, xorout, ri, ro, ok, total in tqdm.tqdm(p.imap_unordered(test_config, tasks), total=len(tasks)):
-            if ok == total:
-                print("FOUND FULL FUCKING MATCH ✅", f"poly=0x{poly:02X}", f"init=0x{init:02X}",
-                      f"xorout=0x{xorout:02X}", f"ri={ri}", f"ro={ro}")
-                return
-            # keep top-5 partials
-            best.append((ok, poly, init, xorout, ri, ro))
-            best = sorted(best, reverse=True)[:5]
-
-    print("\n=== TOP PARTIAL MATCHES ===")
-    for ok, poly, init, xorout, ri, ro in best:
-        print(f"{ok}/{total} matches – poly=0x{poly:02X}, init=0x{init:02X}, xorout=0x{xorout:02X}, ri={ri}, ro={ro}")
-    print("👎 No full match found.")
-
-if __name__ == '__main__':
-    if len(sys.argv) != 2:
-        sys.exit(f"Usage: python {sys.argv[0]} <samples_folder>")
-    main(sys.argv[1])
-- 
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