Small step for Microsoft - huge improvement for Chinese users

Skype.com is again redirecting users in China to websites controlled by Chinese companies. This time, however, all user calls, chats and login information are encrypted and being communicated directly to Microsoft via HTTPS. This is a complete about face for Microsoft from the Tom Skype era, when all information was processed by Tom and stored by Tom on servers located in China with absolutely no privacy controls in place.

We praise Microsoft for making this change. We hope this is a harbinger of change to come not just from Microsoft but from all major internet players. It appears that Microsoft is indeed fighting back against censorship in China. We have been very critical of Microsoft and Skype in the past but today we applaud this development.

We still want to ask Microsoft to explain the differences between the Chinese and international versions of Skype. Does the new China version of Skype have more surveillance capabilities than the global version? We would also like the company to reference the specific “Chinese regulations” that they plan on following with their new joint venture partner.

The newly launched joint GMF-Skype website offers a special Chinese version download  which was launched in a partnership with Guangming Founder (GMF).

This version is different from the international version of Skype that supports Chinese. The file is hosted by the Chinese joint venture partner in a server located in China. However, unlike its previous joint venture arrangement with Tom, it would appear that Microsoft has taken full control of the China version of Skype. The software is digitally signed by Microsoft, which means Microsoft and Microsoft alone is responsible for the software’s code. The Chinese authorities cannot provide counterfeit software to users in China.

 

Analysis of the current Chinese version of Skype 6.11.99.102

We’ve analyzed the communications the special Chinese clients make. All communications are outside of China and are located in Singapore, the U.S and Ireland. Tom Skype was notorious for monitoring chat history and uploading user information but it seems that with the current GMF-Skype version, there are no censored keywords.

 

 

A breakdown of Skype download urls appears below. The appendix “gmw” refers to the name of Microsoft’s joint venture partner on Skype. This, too, is a special version, numbered “6.11.99.455”. The China version of Skype for Windows users is hosted on the special GMF-Skype website for China.

 

OS Version Download Address
China Windows 6.11.99.102

http://skype.gmw.cn/software/SkypeSetupFull.6.11.99.102.exe

International Windows 6.11.0.102

http://www.skype.com/go/getskype

China Mac OS 6.11.99.455

http://www.skype.com/go/getskype-macosx-gmf

International Mac OS 6.11.59.455

http://www.skype.com/go/getskype-macosx

    

The GMF help center states that the GMF version of Skype offers end to end encryption. The policy is a direct translation of the Skype international privacy policy.

使用Skype 安全吗: 完全安全。Skype 采用了端对端的加密方式,保证信息的安全性. Skype在信息(语音、即时消息、文件)发送之前进行加密,在接收到的时候进行解密,即使在数据传输过程中需要经过其他节点进行中转,也完全没有可能在中途被窃听。

In the meantime, skype.tom.com changed its page title from “Skype简体中文版官方网站 (Official website of Skype Chinese version)”


to “Skype充值中心 (Skype Refill Center)”. The site does indeed offer pre-paid refill cards for Tom Skype.  


The only link Tom took down is the login page for Tom-Skype:

http://webcache.googleusercontent.com/search?q=cache:l_pObCn6T6YJ:skype....

as opposed to:

http://skype.tom.com/

The Tom Skype web site (skype.tom.com) is, at the time of publishing this story, not redirecting users or offering a link to the new version of Skype which suggests that Tom’s split with Microsoft was not amicable. We strongly suggest that all Tom Skype users immediately delete their current versions and upgrade to the new GMF-Skype. Microsoft should also make an effort to trumpet their newest version of Skype to users based in China.

 

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Fri, Mar 27, 2015

CNNIC censored Google and Mozilla’s posts about CNNIC CA

This week, Google found unauthorized digital certificates for several Google domains, the root CA of which is CNNIC. Google and Mozilla both publicly disclosed this security incident and published blog posts(Google, Mozilla). However, Chinese translations of Google’s and Mozilla's blog posts were censored on the Chinese Internet.

  • William Long is a prominent Chinese blogger on IT and tech. He translated Google’s security post without adding any personal opinions. The Chinese blogpost ranked #1 when searching CNNIC MITM in Chinese on Google and Baidu. He tweeted that he received a phone call from propaganda department demanding the post to be removed immediately. The post http://www.williamlong.info/archives/4183.html was deleted. Google cache is still available.

Wed, Mar 25, 2015

Evidence shows CNNIC and CAC behind MITM attacks

Since 2013, we have repeatedly called on major software vendors to revoke CNNIC-issued certificates. Most notably, we raised this issue when we reported on the Cyberspace Administration of China’s (CAC) man-in-the-middle (MITM) attacks on Google, Microsoft’s Outlook, Apple, Yahoo and Github. Mainstream media have reported about these security vulnerabilities before and on March 24, Ars Technica reported on Google’s announcement that they have definitive evidence that CNNIC (China Internet Network Information Center) was behind a new MITM attack on Google.

From our October, 2014 blog post:

Thu, Mar 19, 2015

We are under attack

We are under attack and we need help.

Likely in response to a recent story in the Wall Street Journal (WSJ), we’ve experienced our first ever distributed denial of service (DDoS) attack. This tactic is used to bring down web pages by flooding them with lots of requests - at the time of writing they number 2.6 billion requests per hour. Websites are not equipped to handle that kind of volume so they usually “break” and go offline.

This kind of attack is aggressive and is an exhibition of censorship by brute force. Attackers resort to tactics like this when they are left with no other options.

We are not equipped to handle a DDoS attack of this magnitude and we need help. Some background:

  • The attack started on March 17 and we are receiving up to 2.6 billion requests per hour which is about 2500 times more than normal levels.

Thu, Mar 12, 2015

Collateral Freedom and the not-so-Great Firewall

Recognizing that the authorities have been hesitant to crackdown on our method of circumvention, we have accelerated our expansion of the development of collateral freedom, in three key areas.

Mon, Jan 26, 2015

An Open Letter to Lu Wei and the Cyberspace Administration of China

January 26, 2015

Beijing, China

 

Mr. Lu Wei

Director of the Cyberspace Administration of the People’s Republic of China 中央网络安全和信息化领导小组办公室主任

Director of the State Internet Information Office 国家互联网信息办公室主任

Deputy Director of the Central Propaganda Department of the Chinese Communist Party 中共中央宣传部副部长

Cyberspace Administration of China,

Floor 1, Building 1,

Software Park, Chinese Academy of Sciences,

4 South 4th Street, Zhongguancun,

Beijing, China, 100190

 

Dear Mr. Lu,

On January 22, 2015, the Cyberspace Administration of China (CAC), which is under your direct control, wrote a response to a story we published about an MITM attack on Microsoft. In the post, your colleague, Jiang Jun, labelled our accusations as "groundless" and  "unsupported speculation, a pure slanderous act by overseas anti-China forces".

We at GreatFire.org take great offense to these comments and we will refute them in this letter.

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Comments

目前国际版的 Skype 最新版本好像是 6.11.59.102

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

http://www.skype.com/go/getskype-full 轻松下载国际版Skype独立安装程序,初装、升级都用它,哈哈。

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