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    <title>OpenSSH on Smile2Day</title>
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      <title>Quantum Computing: Why Post-Quantum Cryptography Already Matters Today</title>
      <link>https://smile2day.greatworldwelivein.com/posts/20260226-quantum_computing_impact_on_encryption/</link>
      <pubDate>Thu, 26 Feb 2026 08:40:16 +0000</pubDate>
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      <description>&lt;h2 id=&#34;introduction&#34;&gt;Introduction&lt;/h2&gt;&#xA;&lt;div class=&#34;media-text-block media-text-right&#34;&gt;&#xA;  &lt;figure class=&#34;media-text-figure ma0&#34;&gt;&#xA;    &lt;img src=&#34;https://smile2day.greatworldwelivein.com/posts/20260226-quantum_computing_impact_on_encryption/post-quantum-computing-data-hack.png&#34; alt=&#34;Illustration of a cyber attacker in 2030 using quantum computing to decrypt previously captured RSA-2048 encrypted data.&#34; loading=&#34;lazy&#34;&gt;&#xA;    &#xA;  &lt;/figure&gt;&#xA;  &lt;div class=&#34;media-text-copy&#34;&gt;&lt;p&gt;The advent of &lt;em&gt;Quantum Computing&lt;/em&gt; is generating more and more headlines. It promises leaps in solving&#xA;very complex scenarios that require computing power not suitable for the, so far, dominant Von Neumann architecture.&lt;/p&gt;&#xA;&lt;p&gt;Apart from going to provide a platform for new applications and improve on existing problems&#xA;it will also add a challenge to IT security.&lt;/p&gt;&#xA;&lt;/div&gt;&#xA;&lt;/div&gt;</description>
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