add enrollment diagrams

src/customer.py

@@ -1,8 +1,5 @@
 from dataclasses import dataclass
 from uuid import UUID, uuid4
-
-import numpy as np
-
 from src.customer_cipher import CustomerCipher
 from src.models import NKodePolicy
 from src.user import User

src/utils.py

@@ -28,3 +28,7 @@ def keypad_md_table(keypad_list: np.ndarray, keypad_size: KeypadSize) -> str:
         table += "|".join([str(prop) for prop in keypad[key]])
         table += "|"
     return table
+
+def select_keys_with_passcode_values(user_passcode_idxs: list[int], keypad: np.ndarray, props_per_key: int) -> list[int]:
+    indices = [np.where(keypad == prop)[0][0] for prop in user_passcode_idxs]
+    return [int(index // props_per_key) for index in indices]