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<a href="https://gitlab.com/smuellerDD">Stephan Mueller</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1404#note_531147824">lib/accelerated/afalg.c</a>:
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<pre style="margin: 0;">+<span id="LC89" class="line" lang="c"> <span class="k" style="font-weight: 600;">struct</span> <span class="n" style="color: #333;">kcapi_ctx</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">ctx</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">_ctx</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC90" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC91" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">iv_size</span> <span class="o" style="font-weight: 600;">></span> <span class="n" style="color: #333;">kcapi_cipher_ivsize</span><span class="p">(</span><span class="n" style="color: #333;">ctx</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">handle</span><span class="p">))</span></span>
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<pre style="margin: 0;">+<span id="LC92" 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_INVALID_REQUEST</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC93" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC94" class="line" lang="c"> <span class="n" style="color: #333;">memcpy</span><span class="p">(</span><span class="n" style="color: #333;">ctx</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">iv</span><span class="p">,</span> <span class="n" style="color: #333;">iv</span><span class="p">,</span> <span class="n" style="color: #333;">iv_size</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC95" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC96" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC97" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC98" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC99" class="line" lang="c"><span class="k" style="font-weight: 600;">static</span> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="nf" style="color: #900; font-weight: 600;">afalg_cipher_encrypt</span><span class="p">(</span><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;">_ctx</span><span class="p">,</span> <span class="k" style="font-weight: 600;">const</span> <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;">src</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">src_size</span><span class="p">,</span></span>
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<pre style="margin: 0;">+<span id="LC100" 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;">dst</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">dst_size</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC101" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC102" class="line" lang="c"> <span class="k" style="font-weight: 600;">struct</span> <span class="n" style="color: #333;">kcapi_ctx</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">ctx</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">_ctx</span><span class="p">;</span></span>
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<pre style="margin: 0;">+<span id="LC103" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC104" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">kcapi_cipher_encrypt</span><span class="p">(</span><span class="n" style="color: #333;">ctx</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">handle</span><span class="p">,</span> <span class="n" style="color: #333;">src</span><span class="p">,</span> <span class="n" style="color: #333;">src_size</span><span class="p">,</span> <span class="n" style="color: #333;">ctx</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">iv</span><span class="p">,</span></span>
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<p dir="auto">Side note, if we need the stream API, take care on the documentation, the update call cannot be invoked endlessly without a stream_op inbetween.</p>
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