Source did not encrypt network traffic until DeepBlueSea released NetShark for CS:GO. Now it uses ICE, a 64-bit block cipher from the DES era. The key is obtai

Source did not encrypt network traffic until DeepBlueSea released NetShark for CS:GO. Now it uses ICE, a 64-bit block cipher from the DES era. The key is obtained from the Steam servers over the normal Steam encrypted channel.