Sorry, I only heard it from someone who heard it from someone who heard it from someone who worked on it. Some googling yielded this, for example: http://www.

Sorry, I only heard it from someone who heard it from someone who heard it from someone who worked on it. Some googling yielded this, for example: http://www.networkworld.com/article/2331257/lan-wan/encryption-restrictions.html http://www.networkworld.com/article/2331257/lan-wan/encrypti... (2004) http://www.freshfields.com/en/global/Digital/China_rules_on_encryption/ http://www.freshfields.com/en/global/Digital/China_rules_on_... But this only shows that there are some regulations and licensing required, no details unfortunately.