fix id problems with day/winter switch

Azaion.Inference/security.pyx

@@ -2,6 +2,8 @@ import base64
 import hashlib
 import os
 from hashlib import sha384
+from credentials cimport Credentials
+from hardware_service cimport HardwareInfo
 
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives import padding
@@ -24,14 +26,14 @@ cdef class Security:
             encrypted_chunk = encryptor.update(chunk)
             res.extend(encrypted_chunk)
         res.extend(encryptor.finalize())
-        return res
+        return bytes(res)
 
     @staticmethod
     cdef decrypt_to(input_stream, key):
         cdef bytes aes_key = hashlib.sha256(key.encode('utf-8')).digest()
         cdef bytes iv = input_stream.read(16)
 
-        cdef cipher = Cipher(algorithms.AES(<bytes>aes_key), modes.CBC(<bytes>iv), backend=default_backend())
+        cdef cipher = Cipher(algorithms.AES(<bytes>aes_key), modes.CFB(<bytes>iv), backend=default_backend())
         cdef decryptor = cipher.decryptor()
 
         cdef bytearray res = bytearray()
@@ -40,8 +42,22 @@ cdef class Security:
             res.extend(decrypted_chunk)
         res.extend(decryptor.finalize())
 
-        unpadder = padding.PKCS7(128).unpadder()  # AES block size is 128 bits (16 bytes)
-        return unpadder.update(res) + unpadder.finalize()
+        return bytes(res)
+
+    @staticmethod
+    cdef get_hw_hash(HardwareInfo hardware):
+        cdef str key = f'Azaion_{hardware.mac_address}_{hardware.cpu}_{hardware.gpu}'
+        return Security.calc_hash(key)
+
+    @staticmethod
+    cdef get_api_encryption_key(Credentials creds, str hardware_hash):
+        cdef str key = f'{creds.email}-{creds.password}-{hardware_hash}-#%@AzaionKey@%#---'
+        return Security.calc_hash(key)
+
+    @staticmethod
+    cdef get_model_encryption_key():
+        cdef str key = '-#%@AzaionKey@%#---234sdfklgvhjbnn'
+        return Security.calc_hash(key)
 
     @staticmethod
     cdef calc_hash(str key):