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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
<a href="https://gitlab.com/gnutls/gnutls/-/issues/1077#note_404205950">discussion</a>:
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<p>do you think it is preferable to not offer TLS1.2 DHE ciphers suites than doing something equal to gnutls_certificate_set_known_dh_params() by default?</p>
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<p dir="auto">No. I'm only saying that, if none of <code>gnutls_certificate_set_known_dh_params</code> nor <code>gnutls_certificate_set_known_dh_params</code> is called, the server can only accept DHE through the RFC7919 way, that requires the client to advertise "supported_groups".</p>
<p dir="auto">If the server wants to support clients that don't send "supported_groups" in TLS 1.2, the server still needs to call <code>gnutls_certificate_set_known_dh_params</code>, whose documentation should be updated accordingly I think.</p>
<p dir="auto">But yes, I'm not the one who designed this deprecation, so the actual intention might be to make this fully automatic. I don't know. Perhaps <a href="https://gitlab.com/dkg" data-user="125081" data-reference-type="user" data-container="body" data-placement="top" class="gfm gfm-project_member js-user-link" title="Daniel Kahn Gillmor">@dkg</a> might have an opinion on that.</p>
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