Issue with hybrid key exchange about oqs-demos HOT 3 CLOSED

Hybrid means that both PQ and traditional algorithms are used simultaneously. So traditional curl will not be able to connect to any hybrid ports.

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You'd need to use a PQ-aware curl, like the one in our Docker images.

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@SairamRajamani While @dstebila is more than 99.9% right (for 3199 of the 3200 ports on the test server :-), there is exactly one port that you can connect to with a 'classic crypto' curl: https://test.openquantumsafe.org:6000 as that port runs only classic crypto KEM+SIG/cert. Everything else needs PQC.

But the key statement above is that the term "hybrid" does not imply "transparently switching" between classic and PQ crypto: The test server is meant to explicitly check proper operation of specific PQC algorithms. You can find such curl image at https://hub.docker.com/r/openquantumsafe/curl: Be sure to pick the one tagged '0.3' as that's corresponding to the code running at the test server.

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