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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
<a href="https://gitlab.com/gnutls/gnutls/-/issues/557#note_2015464532">discussion</a>:
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<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">I admit I do not fully understand the issue, but in the current implementation, "Certificate usage=2 (DANE-TA Trust anchor assertion)" is mapped to <code style='font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; font-family: "GitLab Mono","JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>DANE_CERT_USAGE_LOCAL_CA</code>, which is only checked without <code style='font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; font-family: "GitLab Mono","JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>--no-ca-verification</code> (i.e., <code style='font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; font-family: "GitLab Mono","JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>!(vflags & DANE_VFLAG_ONLY_CHECK_EE_USAGE)</code> <a href="https://gitlab.com/gnutls/gnutls/-/blob/ef5a574e3acc358e2a6f7c4efaeb21bef15f9349/libdane/dane.c#L771">here</a>), and since all the certs have usage=2, loop ends without verification and returns <code style='font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; font-family: "GitLab Mono","JetBrains Mono","Menlo","DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; vertical-align: bottom; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>DANE_E_REQUESTED_DATA_NOT_AVAILABLE</code>.</p>
<p dir="auto" style="color: #28272d; margin: 0;" align="initial">Do you think it should be also evaluated in EE only verification?</p>
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