diff -ur key-gen-original/gen.py key-gen/gen.py
--- key-gen-original/gen.py
+++ key-gen/gen.py
@@ -7,4 +7,4 @@
 if len(argv)!=4:
 	exit("Usage: "+argv[0]+" <ScopeID> <flags> <mask>")

-print lec.key.encode(int(argv[1], 16), int(argv[2], 16), int(argv[3], 16))
\ No newline at end of file
+print(lec.key.encode(int(argv[1], 16), int(argv[2], 16), int(argv[3], 16)))
diff -ur key-gen-original/lec/crypto.py key-gen/lec/crypto.py
--- key-gen-original/lec/crypto.py
+++ key-gen/lec/crypto.py
@@ -1,13 +1,13 @@
 # educational use only
-from Crypto.Cipher import Blowfish
+from Cryptodome.Cipher import Blowfish
 from struct import pack, unpack

-key_ct = "\205\023\064\027\154\014\026\116\230\076\141\360\373\253\252\267"
+key_ct = b"\205\023\064\027\154\014\026\116\230\076\141\360\373\253\252\267"

-key = ""
+key = b""
 for c in key_ct[::-1]:
-	key += chr(ord(c)^116)
+	key += bytes((c^116,))

 cipher = Blowfish.new(key, Blowfish.MODE_ECB)


diff -ur key-gen-original/lec/key.py key-gen/lec/key.py
--- key-gen-original/lec/key.py
+++ key-gen/lec/key.py
@@ -1,5 +1,5 @@
 # educational use only
-from crypto import encrypt, decrypt
+from .crypto import encrypt, decrypt
 from binascii import hexlify, unhexlify
 from struct import pack, unpack