This API is available on Firefox OS for privileged or certified applications only.
Summary
The upgradeToSecure method allows turning a TCP non secured connection into a secured one.
Note: Such a connection upgrade is possible only if the target host supports the STARTTLS command.
Syntax
instanceOfTCPSocket.upgradeToSecure();
Specification
Not part of any specification yet; however, this API is discussed at W3C as part of the System Applications Working Group under the Raw Sockets proposal.