Delete services/sheesh directory

2025-10-11 22:45:20 +07:00
parent 002f997641
commit cbe65e88bd
7 changed files with 0 additions and 308 deletions
@@ -1,116 +0,0 @@
-#!/usr/bin/env python3
-
-import os, sys, json, random, hashlib, hmac
-from Crypto.Cipher import AES
-from Crypto.Util.Padding import pad
-with open("/flag.txt", "rb") as f:
-    flag = f.read()
-    
-B = 16
-opts = (
-    "1) encrypt\n"
-    "2) profit\n"
-    "3) nyerah\n"
-    ">> "
-)
-
-def exp(prk: bytes, info: bytes, L: int) -> bytes:
-    return hmac.new(prk, info + b"\x01", hashlib.sha256).digest()[:L]
-
-def enc(k: bytes, data: bytes):
-    iv = os.urandom(B)
-    ct = AES.new(k, AES.MODE_CBC, iv).encrypt(pad(data, B))
-    return iv, ct
-
-def inp_hex(prompt: str) -> bytes:
-    print(prompt, end="", flush=True)
-    s = sys.stdin.readline()
-    if not s:
-        raise EOFError
-    return bytes.fromhex(s.strip())
-
-def rand(rng, d, lo, hi):
-    while True:
-        v = [rng.randint(lo, hi) for _ in range(d)]
-        if any(v):
-            return v
-
-def syst(rng):
-    d = rng.choice([2, 3])
-    m = rng.randint(5, 8)
-    x = rand(rng, d, -3, 3)
-    rows = []
-    for _ in range(m):
-        base = rand(rng, d, -3, 3)
-        r = rng.randint(1, 7)
-        scaled = [r * a for a in base]
-        e = rng.randint(0, 1)
-        bi = sum(ai * xi for ai, xi in zip(scaled, x)) + e
-        rows.append((scaled, bi))
-    rng.shuffle(rows)
-    A = [row for (row, _) in rows]
-    B = [b for (_, b) in rows]
-    pub = {"dim": d, "A": A, "b": B}
-    return pub, tuple(x)
-
-def bundle():
-    rng = random.Random(os.urandom(16))
-    systems = []
-    hidden = []
-    for _ in range(4):
-        pub, x = syst(rng)
-        systems.append(pub)
-        hidden.append(x)
-    return {"systems": systems}, tuple(hidden)
-
-def get_key(saltx: bytes, salty: bytes, b):
-    parts = []
-    for x in b:
-        parts.append(",".join(str(t) for t in x))
-    material = "|".join(parts).encode()
-    prk = hashlib.pbkdf2_hmac("sha256", material, saltx, 131072, dklen=32)
-    return exp(prk, b"g3m4zzzt1q" + salty, 16)
-
-def main():
-    a, b = bundle()
-    print(json.dumps(a, separators=(",", ":")), flush=True)
-    saltx = os.urandom(16)
-    salty   = os.urandom(16)
-    key = get_key(saltx, salty, b)
-    iv, ct = enc(key, flag)
-    while True:
-        try:
-            print(opts, end="", flush=True)
-            line = sys.stdin.readline()
-            if not line:
-                break
-            try:
-                choice = int(line.strip())
-            except ValueError:
-                print("sheesh")
-                continue
-
-            if choice == 1:
-                data = inp_hex("data: ")
-                iv, ct = enc(key, data)
-                print(iv.hex())
-                print(ct.hex())
-
-            elif choice == 2:
-                print(iv.hex())
-                print(ct.hex())
-                print(saltx.hex())
-                print(salty.hex())
-
-            elif choice == 3:
-                print("bubay")
-                return
-
-            else:
-                print("when you feel like quitting, remember why you started :v (yapping)")
-
-        except Exception:
-            print("zzz")
-
-if __name__ == "__main__":
-    main()