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?>
<div id="function.sodium-crypto-core-ristretto255-from-hash" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sodium_crypto_core_ristretto255_from_hash</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.1.0)</p><p class="refpurpose"><span class="refname">sodium_crypto_core_ristretto255_from_hash</span> &mdash; <span class="dc-title">Maps a vector</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.sodium-crypto-core-ristretto255-from-hash-description">
  <h3 class="title">Опис</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sodium_crypto_core_ristretto255_from_hash</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$s</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Maps a 64-bytes vector <code class="parameter">s</code> to a group element.
   Available as of libsodium 1.0.18.
  </p>

  <div class="warning"><strong class="warning">Увага</strong><p class="simpara">Наразі ця функція не
документована. Доступний лише список її параметрів.
</p></div>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.sodium-crypto-core-ristretto255-from-hash-parameters">
  <h3 class="title">Параметри</h3>
  <dl>
   
    <dt><code class="parameter">s</code></dt>
    <dd>
     <p class="para">
      A 64-bytes vector.
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.sodium-crypto-core-ristretto255-from-hash-returnvalues">
  <h3 class="title">Значення, що повертаються</h3>
  <p class="para">
   Returns a 32-byte random <span class="type"><a href="language.types.string.php" class="type string">string</a></span>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.sodium-crypto-core-ristretto255-from-hash-examples">
  <h3 class="title">Приклади</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Приклад #1 <span class="function"><strong>sodium_crypto_core_ristretto255_from_hash()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$hashes </span><span style="color: #007700">= </span><span style="color: #0000BB">sodium_hex2bin</span><span style="color: #007700">(<br />    </span><span style="color: #DD0000">'5d1be09e3d0c82fc538112490e35701979d99e06ca3e2b5b54bffe8b4dc772c1' </span><span style="color: #007700">.<br />    </span><span style="color: #DD0000">'4d98b696a1bbfb5ca32c436cc61c16563790306c79eaca7705668b47dffe5bb6'<br /></span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">sodium_bin2hex</span><span style="color: #007700">(</span><span style="color: #0000BB">sodium_crypto_core_ristretto255_from_hash</span><span style="color: #007700">(</span><span style="color: #0000BB">$hashes</span><span style="color: #007700">)));<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

    <div class="example-contents"><p>Поданий вище приклад
виведе:</p></div>
    <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">string(64) &quot;3066f82a1a747d45120d1740f14358531a8f04bbffe6a819f86dfe50f44a0a46&quot;</pre>
</div>
    </div>
   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.sodium-crypto-core-ristretto255-from-hash-seealso">
  <h3 class="title">Прогляньте також</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.sodium-hex2bin.php" class="function" rel="rdfs-seeAlso">sodium_hex2bin()</a> - Decodes a hexadecimally encoded binary string</span></li>
    <li><span class="function"><a href="function.sodium-bin2hex.php" class="function" rel="rdfs-seeAlso">sodium_bin2hex()</a> - Encode to hexadecimal</span></li>
    <li><span class="function"><strong>sodium_crypto_core_ristretto255_from_hash()</strong></span></li>
   </ul>
  </p>
 </div>


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