symmetric lib

utils/key.key

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+c8Vo7OdLcNQJL2aDeLVepcGwOkXxnibd_BiOL6r42TM=

utils/symmetric_keys_manager_1.py

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+# Symmetric crypto lib
+from cryptography.fernet import Fernet
+
+key = Fernet.generate_key() 
+
+file = open('key.key', 'wb')
+file.write(key) # The key is type bytes still
+file.close() 
+
+message = "my deep dark secret".encode()
+
+f = Fernet(key)
+encrypted = f.encrypt(message)
+
+print(encrypted)
+
+decrypted = f.decrypt(encrypted) 
+
+print(decrypted)