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Merge request <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1720">!1720</a> was reviewed by <a href="https://gitlab.com/dueno">Daiki Ueno</a>
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<p style="color: #777777;">
<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1720#note_1303327300">tests/suite/ciphersuite/generate-registry-ciphers.py</a>:
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<td class="new_line diff-line-num new" data-linenumber="5" style="width: 35px; color: rgba(31,30,36,0.24); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: inherit;" align="right" bgcolor="#ddfbe6">
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<td class="line_content new" style="padding: inherit;" bgcolor="#ecfdf0"><pre style='display: block; font-size: 0.875rem; color: #333238; position: relative; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dcdcde;'>+<span id="LC5" class="line" lang="python"> <span class="n" style="color: #333;">cipher_suites</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">[]</span></span>
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<td class="new_line diff-line-num new" data-linenumber="6" style="width: 35px; color: rgba(31,30,36,0.24); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: inherit;" align="right" bgcolor="#ddfbe6">
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<td class="line_content new" style="padding: inherit;" bgcolor="#ecfdf0"><pre style='display: block; font-size: 0.875rem; color: #333238; position: relative; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dcdcde;'>+<span id="LC6" class="line" lang="python"> <span class="k" style="font-weight: 600;">for</span> <span class="n" style="color: #333;">row</span> <span class="ow" style="font-weight: 600;">in</span> <span class="n" style="color: #333;">csv_reader</span><span class="p">:</span></span>
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<td class="new_line diff-line-num new" data-linenumber="7" style="width: 35px; color: rgba(31,30,36,0.24); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: inherit;" align="right" bgcolor="#ddfbe6">
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<td class="line_content new" style="padding: inherit;" bgcolor="#ecfdf0"><pre style='display: block; font-size: 0.875rem; color: #333238; position: relative; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; word-break: break-all; word-wrap: break-word; background-color: inherit; border-radius: 2px; margin: 0; padding: 0; border: inherit solid #dcdcde;'>+<span id="LC7" class="line" lang="python"> <span class="k" style="font-weight: 600;">if</span> <span class="n" style="color: #333;">row</span><span class="p">[</span><span class="s" style="color: #d14;">'registry_id'</span><span class="p">]</span> <span class="o" style="font-weight: 600;">==</span> <span class="s" style="color: #d14;">'tls-parameters-4'</span> <span class="ow" style="font-weight: 600;">and</span> \</span>
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">It now runs without failure, but the output is not as expected (I think):</p>
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<pre lang="diff" class="code highlight js-syntax-highlight language-diff" v-pre="true" style="display: block; font-size: 90%; color: #333238; line-height: 1.6em; overflow-x: auto; border-radius: 4px; position: relative; font-family: monospace; word-break: break-all; word-wrap: break-word; background-color: #fff; -premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; margin: 0 0 16px; padding: 12px; border: 1px solid #dcdcde;"><code style='font-size: 0.875rem; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: 4px; white-space: pre; margin-top: 0; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="diff" style="margin-top: 0;"> registry_ciphersuites = {</span>
<span id="LC2" class="line" lang="diff"><span class="gd" style="margin-top: 0; color: #000; background-color: #fdd;">- 0x0000: "TLS_NULL_WITH_NULL_NULL",</span></span>
<span id="LC3" class="line" lang="diff"><span class="gd" style="margin-top: 0; color: #000; background-color: #fdd;">- 0x0001: "TLS_RSA_WITH_NULL_MD5",</span></span>
<span id="LC4" class="line" lang="diff"><span class="gd" style="margin-top: 0; color: #000; background-color: #fdd;">- 0x0002: "TLS_RSA_WITH_NULL_SHA",</span></span>
<span id="LC5" class="line" lang="diff"><span class="err" style="margin-top: 0; color: #a61717; background-color: #e3d2d2;">...</span></span>
<span id="LC6" class="line" lang="diff">+ '00,9E': 'TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 ([RFC5288])',</span>
<span id="LC7" class="line" lang="diff"><span class="gi" style="margin-top: 0; color: #000; background-color: #dfd;">+ '00,9F': 'TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 ([RFC5288])',</span></span>
<span id="LC8" class="line" lang="diff"><span class="gi" style="margin-top: 0; color: #000; background-color: #dfd;">+ '00,AA': 'TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 ([RFC5487])',</span></span>
<span id="LC9" class="line" lang="diff"><span class="err" style="margin-top: 0; color: #a61717; background-color: #e3d2d2;">}</span></span></code></pre>
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">A few observations:</p>
<ul dir="auto" style="text-align: initial; list-style-type: disc; margin: 0; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">the format of keys is different (it should be 0x....)</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">some ciphersuites are filtered out (because the script rejects ciphersuites with DTLS-OK != Y)</li>
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<p style="color: #777777;">
<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
<a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1720#note_1303327304">discussion</a>:
</p>
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">Previously, <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>gnutls-ciphers.js</code> was generated with <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>scan-gnutls.sh</code>, which you have rewritten as <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>scan-gnutls.py</code>. So I think what's expected here is to run <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>scan-gnutls.py</code> and generate a Python output (<code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>gnutls-ciphers.py</code>).</p>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">However, <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>scan-gnutls.py</code> currently fails:</p>
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<pre lang="console" class="code highlight js-syntax-highlight language-console" v-pre="true" style="display: block; font-size: 90%; color: #333238; line-height: 1.6em; overflow-x: auto; border-radius: 4px; position: relative; font-family: monospace; word-break: break-all; word-wrap: break-word; background-color: #fff; -premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; margin: 0 0 16px; padding: 12px; border: 1px solid #dcdcde;"><code style='font-size: 0.875rem; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: 4px; white-space: pre; margin-top: 0; font-family: var(--default-mono-font, "Menlo"),"DejaVu Sans Mono","Liberation Mono","Consolas","Ubuntu Mono","Courier New","andale mono","lucida console",monospace; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="console" style="margin-top: 0;"><span class="gp" style="margin-top: 0; color: #555;">$</span><span class="w" style="color: #bbb;"> </span>python ./ciphersuite/scan-gnutls.py</span>
<span id="LC2" class="line" lang="console"><span class="go" style="margin-top: 0; color: #888;"> File "/home/ueno/devel/gnutls/tests/suite/./ciphersuite/scan-gnutls.py", line 58</span></span>
<span id="LC3" class="line" lang="console"><span class="go" style="margin-top: 0; color: #888;"> f"prf: \"{suite['prf']}\" }</span></span>
<span id="LC4" class="line" lang="console"><span class="go" style="margin-top: 0; color: #888;"> ^</span></span>
<span id="LC5" class="line" lang="console"><span class="go" style="margin-top: 0; color: #888;">SyntaxError: unterminated string literal (detected at line 58)</span></span></code></pre>
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