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<a href="https://gitlab.com/nmav">Nikos Mavrogiannopoulos</a>
commented on a discussion
on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/706#note_90449115">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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<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">That seems like a nice document, thanks for the pointer. It requires for <code>session->internals.early_data_received</code> to be less than or equal to <code>session->security_parameters.max_early_data_size</code>. That was not clear to me from the code above, however reading the code below it is now clear (sorry I interrupted my review yesterday at this point exactly).</p>
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