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-Test TLS interoperability between LibreSSL and OpenSSL.
-
-Implement simple SSL client and server in C.  Create six binaries
-by linking them with LibreSSL or OpenSSL 1.1 or OpenSSL 3.0.  This
-way API compatibility is tested.
-
-To self test each SSL library, connect client with server.  Check
-that the highest available TLS version is selected.  LibreSSL TLS
-1.3 check has to be enabled when the feature becomes available.
-
-Connect and accept with netcat to test protocol compatibility with
-libtls.  Test TLS session reuse multiple times with different library
-combinations.  The cert subdir is testing all combinations of
-certificate validation.  Having the three libraries, client and
-server certificates, missing or invalid CA or certificates, and
-enforcing peer certificate results in 1944 test cases.  The cipher
-test establishes connections between implementations for each
-supported cipher.