“Please do not make it public” (Tencent’s Sogou Input Method)
“Please do not make it public” (Tencent’s Sogou Input Method)
citizenlab.ca
“Please do not make it public”: Vulnerabilities in Sogou Keyboard encryption expose keypresses to network eavesdropping - The Citizen Lab
I'm not sure securely sending your keystrokes to TenCent is much safer than having them eavesdropped by a 3rd party. If you care about your privacy it's probably better to not use that keyboard at all.