This extension provides a generic binding to OpenSSL, utilizing the Tcl_StackChannel -API for Tcl 8.2 and higher. The sockets behave exactly the same +API for Tcl 8.4 and higher. The sockets behave exactly the same as channels created using Tcl's built-in socket command with additional options for controlling the SSL session. -To use TLS with an earlier version of Tcl than 8.4, please obtain -TLS 1.3.
Typically one would use the tls::socket command