Swap pycrypto to pycryptodome

Updated the reqs to use pycryptodome, fixed the RSA public exponent issue that was causing the logn failure, as well as general updates to patch up slight changes.

requirements.txt

 requests>=0.10
-pycrypto
+pycryptodome
 pathlib==1.0.1
 tenacity>=5.1.5,<6.0.0

src/mega/mega.py

@@ -130,12 +130,12 @@ class Mega:
             encrypted_sid = mpi_to_int(base64_url_decode(resp['csid']))
             rsa_decrypter = RSA.construct(
                 (
-                    self.rsa_private_key[0] * self.rsa_private_key[1], 0,
+                    self.rsa_private_key[0] * self.rsa_private_key[1], 257,
                     self.rsa_private_key[2], self.rsa_private_key[0],
                     self.rsa_private_key[1]
                 )
             )
-            sid = '%x' % rsa_decrypter.key._decrypt(encrypted_sid)
+            sid = '%x' % rsa_decrypter._decrypt(encrypted_sid)
             sid = binascii.unhexlify('0' + sid if len(sid) % 2 else sid)
             self.sid = base64_url_encode(sid[:43])
 
@@ -608,7 +608,7 @@ class Mega:
 
         master_key_cipher = AES.new(a32_to_str(self.master_key), AES.MODE_ECB)
         ha = base64_url_encode(
-            master_key_cipher.encrypt(node_data['h'] + node_data['h'])
+            master_key_cipher.encrypt(node_data['h'].encode("utf8") + node_data['h'].encode("utf8"))
         )
 
         share_key = secrets.token_bytes(16)
@@ -726,7 +726,7 @@ class Mega:
             aes = AES.new(k_str, AES.MODE_CTR, counter=counter)
 
             mac_str = '\0' * 16
-            mac_encryptor = AES.new(k_str, AES.MODE_CBC, mac_str)
+            mac_encryptor = AES.new(k_str, AES.MODE_CBC, mac_str.encode("utf8"))
             iv_str = a32_to_str([iv[0], iv[1], iv[0], iv[1]])
 
             for chunk_start, chunk_size in get_chunks(file_size):
@@ -789,7 +789,7 @@ class Mega:
             completion_file_handle = None
 
             mac_str = '\0' * 16
-            mac_encryptor = AES.new(k_str, AES.MODE_CBC, mac_str)
+            mac_encryptor = AES.new(k_str, AES.MODE_CBC, mac_str.encode("utf8"))
             iv_str = a32_to_str([ul_key[4], ul_key[5], ul_key[4], ul_key[5]])
             if file_size > 0:
                 for chunk_start, chunk_size in get_chunks(file_size):