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<a href="https://gitlab.com/tomato42">Hubert Kario (@mention me if you need reply)</a>
started a new
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1455#note_644046643">lib/privkey.c</a>:
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<pre style="margin: 0;"> <span id="LC369" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC370" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">flags</span> <span class="o" style="font-weight: 600;">&</span> <span class="n" style="color: #333;">GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC371" class="line" lang="c"> <span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">salt_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="LC372" class="line" lang="c"> <span class="k" style="font-weight: 600;">else</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC372" class="line" lang="c"> <span class="k" style="font-weight: 600;">else</span> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">flags</span> <span class="o" style="font-weight: 600;">&</span> <span class="n" style="color: #333;">GNUTLS_PRIVKEY_FLAG_RSA_PSS_FIXED_SALT_LENGTH</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC373" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">hash_size</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">_gnutls_hash_get_algo_len</span><span class="p">(</span><span class="n" style="color: #333;">me</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC374" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">key_size</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">bits</span> <span class="o" style="font-weight: 600;">+</span> <span class="mi" style="color: #099;">7</span><span class="p">)</span> <span class="o" style="font-weight: 600;">/</span> <span class="mi" style="color: #099;">8</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC375" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC376" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">salt_size</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<p dir="auto">0 length salt size is actually a valid salt length it RSA-PSS signatures</p>
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