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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/775#note_114129495">lib/tls13/anti_replay.c</a>:
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<pre style="margin: 0;">+<span id="LC328" class="line" lang="c">    <span class="n" style="color: #333;">gnutls_db_retr_func</span> <span class="n" style="color: #333;">db_retrieve_func</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC329" class="line" lang="c">    <span class="n" style="color: #333;">gnutls_db_store_func</span> <span class="n" style="color: #333;">db_store_func</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC330" class="line" lang="c">    <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">db_ptr</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC331" class="line" lang="c">    <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC332" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC333" class="line" lang="c">    <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">unlikely</span><span class="p">(</span><span class="n" style="color: #333;">id</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">MAX_HASH_SIZE</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC334" class="line" lang="c">            <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">gnutls_assert_val</span><span class="p">(</span><span class="n" style="color: #333;">GNUTLS_E_INTERNAL_ERROR</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC335" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC336" class="line" lang="c">    <span class="n" style="color: #333;">gnutls_gettime</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">now</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC337" class="line" lang="c">    <span class="n" style="color: #333;">server_ticket_age</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">timespec_sub_ms</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">now</span><span class="p">,</span> <span class="n" style="color: #333;">ticket_creation_time</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC338" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC339" class="line" lang="c">    <span class="cm" style="color: #998; font-style: italic;">/* It shouldn't be possible that the server's view of ticket</span></span>
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<pre style="margin: 0;">+<span id="LC340" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">         * age is smaller than the client's view.</span></span>
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<pre style="margin: 0;">+<span id="LC341" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">         */</span></span>
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<pre style="margin: 0;">+<span id="LC342" class="line" lang="c">    <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">unlikely</span><span class="p">(</span><span class="n" style="color: #333;">server_ticket_age</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">client_ticket_age</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC343" class="line" lang="c">            <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">gnutls_assert_val</span><span class="p">(</span><span class="n" style="color: #333;">GNUTLS_E_INTERNAL_ERROR</span><span class="p">);</span></span>
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<p dir="auto">If the client ticket age is taken by the client message; maybe some illegal parameter error is better here.</p>
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