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<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
started a new discussion
on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/706#note_90325507">lib/record.c</a>:
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<pre style="margin: 0;"> <span id="LC1340" class="line" lang="c"> <span class="s" style="color: #d14;">"Discarded message[%u] due to invalid decryption</span><span class="se" style="color: #d14;">\n</span><span class="s" style="color: #d14;">"</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC1341" class="line" lang="c"> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">unsigned</span> <span class="kt" style="color: #458; font-weight: 600;">int</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC1342" class="line" lang="c"> <span class="n" style="color: #333;">_gnutls_uint64touint32</span><span class="p">(</span><span class="n" style="color: #333;">packet_sequence</span><span class="p">));</span></span>
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<pre style="margin: 0;">+<span id="LC1343" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC1344" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* as 0-RTT is not implemented yet, when early data is</span></span>
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<pre style="margin: 0;">+<span id="LC1345" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * indicated, skip decryption failure up to</span></span>
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<pre style="margin: 0;">+<span id="LC1346" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * max_early_data_size. */</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1347" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC1347" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">session</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">internals</span><span class="p">.</span><span class="n" style="color: #333;">early_data_indicated</span> <span class="o" style="font-weight: 600;">&&</span></span>
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<pre style="margin: 0;">+<span id="LC1348" class="line" lang="c"> <span class="n" style="color: #333;">record</span><span class="p">.</span><span class="n" style="color: #333;">type</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_APPLICATION_DATA</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC1349" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">record</span><span class="p">.</span><span class="n" style="color: #333;">length</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">session</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">security_parameters</span><span class="p">.</span><span class="n" style="color: #333;">max_early_data_size</span> <span class="o" style="font-weight: 600;">-</span> <span class="n" style="color: #333;">session</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">internals</span><span class="p">.</span><span class="n" style="color: #333;">early_data_received</span><span class="p">)</span> <span class="p">{</span></span>
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<p dir="auto">Is <code>early_data_received</code> always smaller to <code>max_early_data_size</code>? I'm thinking that since the types are all uint32_t, maybe it is safer to use addition instead. E.g., instead of <code>uint16_t</code> > <code>uint32_t</code> - <code>uint32_t</code> have:</p>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true" style="background-color: #fff; font-family: monospace; font-size: 90%; -premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; margin: 0;"><code><span id="LC1" class="line" lang="plaintext">uint32_t + uint16_t > uint32_t</span></code></pre>
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