[DEL] Delete pygost

app/utils_drive.py

@@ -1,9 +1,8 @@
 import threading
 import os
-import pygost.gost3412 as gost
 
-# from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
-# from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
+from cryptography.hazmat.backends import default_backend
 
 erasing_methods = {
     "2 прохода": {
@@ -32,17 +31,12 @@ erasing_methods = {
 
 def get_random_bytes(size):
     seed=os.urandom(32)
-    # backend = default_backend()
-    # cipher = Cipher(algorithms.AES(seed), modes.CTR(b'\0'*16), backend=backend)
-    # encryptor = cipher.encryptor()
-
+    backend = default_backend()
+    cipher = Cipher(algorithms.AES(seed), modes.CTR(b'\0'*16), backend=backend)
+    encryptor = cipher.encryptor()
     nulls=b'\0'*(size)
-    enc = gost.GOST3412Kuznechik(seed)
-    rounds = int(size / 32)
-    data = b''
-    for i in range(512):
-        data += enc.encrypt(nulls)
-    return data
+
+    return encryptor.update(nulls)
 
 class Drive():