implement generate login interface and login

src/utils.py

@@ -1,5 +1,6 @@
 import secrets
 
+
 def secure_fisher_yates_shuffle(arr: list) -> list:
     n = len(arr)
     for i in range(n - 1, 0, -1):
@@ -9,21 +10,8 @@ def secure_fisher_yates_shuffle(arr: list) -> list:
 
 
 def generate_random_nonrepeating_list(list_len: int, min_val: int = 0, max_val: int = 2 ** 16) -> list[int]:
-    assert(max_val-min_val >= list_len)
-    return secure_fisher_yates_shuffle(list(range(min_val, max_val))[:list_len])
-
-
-def generate_random_nonrepeating_matrix(rows: int, cols: int, min_val: int = 0, max_val: int = 2 ** 16) -> list[list[int]]:
-    values = generate_random_nonrepeating_list(rows*cols, min_val, max_val)
-    matrix = []
-    idx = 0
-    for _ in range(cols):
-        row = []
-        for _ in range(rows):
-            row.append(values[idx])
-            idx += 1
-        matrix.append(row)
-    return matrix
+    assert (max_val - min_val >= list_len)
+    return secure_fisher_yates_shuffle(list(range(min_val, max_val)))[:list_len]
 
 
 def xor_lists(l1: list[int], l2: list[int]):
@@ -31,14 +19,13 @@ def xor_lists(l1: list[int], l2: list[int]):
     return [l2[i] ^ l1[i] for i in range(len(l1))]
 
 
-def generate_random_index_interface(height: int, width: int) -> list[int]:
-    return secure_fisher_yates_shuffle([i for i in range(height * width)])
-
-
 def matrix_to_list(mat: list[list[int]]) -> list[int]:
     return [val for row in mat for val in row]
 
+
 def list_to_matrix(lst: list[int], cols: int) -> list[list[int]]:
-    return [lst[i:i+cols] for i in range(0, len(lst), cols)]
+    return [lst[i:i + cols] for i in range(0, len(lst), cols)]
 
 
+def int_array_to_bytes(int_arr: list[int], byte_size: int = 2) -> bytes:
+    return b"".join([numb.to_bytes(byte_size, byteorder='big') for numb in int_arr])