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<a href="https://gitlab.com/dulanshuangqiao">dulanshuangqiao</a> created an issue: <a href="https://gitlab.com/gnutls/gnutls/-/issues/1624">#1624</a>
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<h2 dir="auto" style="margin-top: 0; margin-bottom: 1rem; border-bottom-style: solid; border-bottom-color: #dcdcde; font-weight: 600; font-size: clamp(1.3125rem, 0.8680555556rem + 0.9259259259vw, 1.5625rem); letter-spacing: -0.01em; line-height: 1.25; color: #18171d; border-bottom-width: 1px; padding-bottom: 0.25rem;" align="initial">
<a href="#description-of-problem" aria-hidden="true" class="anchor" id="user-content-description-of-problem" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Description of problem:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">The definition of Extended Key Usage extension is as follows:
id-ce-extKeyUsage OBJECT IDENTIFIER ::= { id-ce 37 }
ExtKeyUsageSyntax ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId
KeyPurposeId ::= OBJECT IDENTIFIER
ASN. 1 specifies that tag 06 represents oid
I provided a test case where the enhanced key usage is displayed in non OID content (not OID’tag), which should be invalid.
Golang determined it as follows: invalid certificate policies，but gnutls doesn't think so.
<a class="no-attachment-icon gfm" href="https://gitlab.com/-/project/179611/uploads/3ee676aba920188b89f3ed84a25ff879/image.png" target="_blank" rel="noopener noreferrer" data-canonical-src="/uploads/3ee676aba920188b89f3ed84a25ff879/image.png" data-link="true" style="margin-top: 0;"><img src="https://gitlab.com/-/project/179611/uploads/3ee676aba920188b89f3ed84a25ff879/image.png" alt="image" data-canonical-src="/uploads/3ee676aba920188b89f3ed84a25ff879/image.png" class="gfm" style="max-width: 100%; height: auto; margin-top: 0; vertical-align: baseline;"></a></p>
<h2 dir="auto" style="margin-top: 1.5rem; margin-bottom: 1rem; border-bottom-style: solid; border-bottom-color: #dcdcde; font-weight: 600; font-size: clamp(1.3125rem, 0.8680555556rem + 0.9259259259vw, 1.5625rem); letter-spacing: -0.01em; line-height: 1.25; color: #18171d; border-bottom-width: 1px; padding-bottom: 0.25rem;" align="initial">
<a href="#version-of-gnutls-used" aria-hidden="true" class="anchor" id="user-content-version-of-gnutls-used" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Version of gnutls used:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">gnutls-cli 3.7.3</p>
<h2 dir="auto" style="margin-top: 1.5rem; margin-bottom: 1rem; border-bottom-style: solid; border-bottom-color: #dcdcde; font-weight: 600; font-size: clamp(1.3125rem, 0.8680555556rem + 0.9259259259vw, 1.5625rem); letter-spacing: -0.01em; line-height: 1.25; color: #18171d; border-bottom-width: 1px; padding-bottom: 0.25rem;" align="initial">
<a href="#distributor-of-gnutls-eg-ubuntu-fedora-rhel" aria-hidden="true" class="anchor" id="user-content-distributor-of-gnutls-eg-ubuntu-fedora-rhel" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Distributor of gnutls (e.g., Ubuntu, Fedora, RHEL)</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Ubuntu</p>
<h2 dir="auto" style="margin-top: 1.5rem; margin-bottom: 1rem; border-bottom-style: solid; border-bottom-color: #dcdcde; font-weight: 600; font-size: clamp(1.3125rem, 0.8680555556rem + 0.9259259259vw, 1.5625rem); letter-spacing: -0.01em; line-height: 1.25; color: #18171d; border-bottom-width: 1px; padding-bottom: 0.25rem;" align="initial">
<a href="#how-reproducible" aria-hidden="true" class="anchor" id="user-content-how-reproducible" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>How reproducible:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Steps to Reproduce:</p>
<ul dir="auto" style="text-align: initial; list-style-type: disc; margin: 0 0 1rem; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">one gnutls_x509_crt_import（Cert.der）<a href="https://gitlab.com/-/project/179611/uploads/71920dd9a11c8695b98bef8cc7ac1e50/Cert.zip" data-canonical-src="/uploads/71920dd9a11c8695b98bef8cc7ac1e50/Cert.zip" data-link="true" class="gfm" style="margin-top: 0;">Cert.zip</a>
</li>
</ul>
<h2 dir="auto" style="margin-top: 1.5rem; margin-bottom: 1rem; border-bottom-style: solid; border-bottom-color: #dcdcde; font-weight: 600; font-size: clamp(1.3125rem, 0.8680555556rem + 0.9259259259vw, 1.5625rem); letter-spacing: -0.01em; line-height: 1.25; color: #18171d; border-bottom-width: 1px; padding-bottom: 0.25rem;" align="initial">
<a href="#actual-results" aria-hidden="true" class="anchor" id="user-content-actual-results" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Actual results:</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Complete</p>
<h2 dir="auto" style="margin-top: 1.5rem; margin-bottom: 1rem; border-bottom-style: solid; border-bottom-color: #dcdcde; font-weight: 600; font-size: clamp(1.3125rem, 0.8680555556rem + 0.9259259259vw, 1.5625rem); letter-spacing: -0.01em; line-height: 1.25; color: #18171d; border-bottom-width: 1px; padding-bottom: 0.25rem;" align="initial">
<a href="#expected-results" aria-hidden="true" class="anchor" id="user-content-expected-results" style="margin-top: 0; float: left; margin-left: -20px; text-decoration: none; outline: none;"></a>Expected results:</h2>
<p dir="auto" style="color: #3a383f; margin: 0;" align="initial">invalid extended key usages</p>
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