Refactor TLS Remote (Peer) Certification Verification for ECDH Demo #200
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…validation visibility
…network name as SAN, if necessary
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In pull request #189, the kmyth ECDH demonstration code was changed to require a specific format for the name used in server certificate verification (i.e., network host name or IP address concatenated, using '.' as the separator, with a unique name to indicate functionality). This was done to address issues with implementing all of the ECDH demo nodes on the same network host (i.e., localhost).
This pull request attempts to propose a better approach. Instead of parsing the network (connection) host name and the certificate verification criteria from a custom format, it provides options for the user to directly specify the network host name/IP and, optionally, a separate Subject Alternative Name (SAN) criteria to be used in name verification for the remote (peer) certificate. This is hopefully simpler, less confusing, and more generic than the current approach.