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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/920#note_144297006">lib/auth/vko_gost.c</a>:
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<pre style="margin: 0;">+<span id="LC130" class="line" lang="c">    <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">+=</span> <span class="n" style="color: #333;">len</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="132" 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="LC132" class="line" lang="c">    <span class="n" style="color: #333;">cek</span><span class="p">.</span><span class="n" style="color: #333;">data</span> <span class="o" style="font-weight: 600;">=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">data</span><span class="p">[</span><span class="n" style="color: #333;">i</span><span class="p">];</span></span>
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133
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<pre style="margin: 0;">+<span id="LC133" class="line" lang="c">    <span class="n" style="color: #333;">cek</span><span class="p">.</span><span class="n" style="color: #333;">size</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">ret</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC134" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="135" 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="LC135" class="line" lang="c">    <span class="n" style="color: #333;">DECR_LEN</span><span class="p">(</span><span class="n" style="color: #333;">data_size</span><span class="p">,</span> <span class="n" style="color: #333;">ret</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC136" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC137" class="line" lang="c">    <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">data_size</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="LC138" 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_UNEXPECTED_PACKET_LENGTH</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC139" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC140" class="line" lang="c">    <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">calc_ukm</span><span class="p">(</span><span class="n" style="color: #333;">session</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">ukm</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC141" class="line" lang="c">    <span class="k" style="font-weight: 600;">if</span> <span class="p">(</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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<td class="diff-line-num new new_line" data-linenumber="142" 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="LC142" 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;">ret</span><span class="p">);</span></span>
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143
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<pre style="margin: 0;">+<span id="LC143" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="144" 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="LC144" class="line" lang="c">    <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">privkey</span> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">privkey</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">type</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">GNUTLS_PRIVKEY_X509</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC145" class="line" lang="c">            <span class="n" style="color: #333;">gnutls_assert</span><span class="p">();</span></span>
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<p dir="auto">no ret is set here. Apart from that, it means that one could not se gost with an HSM... that quite a limitation. Cannot we use higher level operations?</p>
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