# OpenSSL version
::tcltest::testConstraint OpenSSL [string match "OpenSSL*" [::tls::version]]

# Legacy OpenSSL v1.1.1 vs new v3.x
scan [lindex [split [::tls::version]] 1] %f version
::tcltest::testConstraint new_api [expr {$version >= 3.0}]
::tcltest::testConstraint old_api [expr {$version < 3.0}]

# Load legacy provider
if {$version >= 3.0} {
    tls::provider legacy
}