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<div id="function.sodium-crypto-box-keypair-from-secretkey-and-publickey" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sodium_crypto_box_keypair_from_secretkey_and_publickey</h1>
  <p class="verinfo">(PHP 7 &gt;= 7.2.0, PHP 8)</p><p class="refpurpose"><span class="refname">sodium_crypto_box_keypair_from_secretkey_and_publickey</span> &mdash; <span class="dc-title">秘密鍵と公開鍵から、鍵ペアを生成する</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.sodium-crypto-box-keypair-from-secretkey-and-publickey-description">
  <h3 class="title">説明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sodium_crypto_box_keypair_from_secretkey_and_publickey</strong></span>(<span class="methodparam"><span class="attribute"><a href="class.sensitiveparameter.php">#[\SensitiveParameter]</a> </span><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$secret_key</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$public_key</code></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="simpara">
   この関数は、
   <span class="function"><strong>crypto_box()</strong></span> のような、
   API の要件を満たすために存在しています。
   一方の側の秘密鍵と、もう一方の側の公開鍵を渡すと、
   会話に必要な &quot;鍵ペア&quot; が得られます。
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.sodium-crypto-box-keypair-from-secretkey-and-publickey-parameters">
  <h3 class="title">パラメータ</h3>
  <dl>
   
    <dt><code class="parameter">secret_key</code></dt>
    <dd>
     <span class="simpara">
      秘密鍵
     </span>
    </dd>
   
   
    <dt><code class="parameter">public_key</code></dt>
    <dd>
     <span class="simpara">
      公開鍵
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.sodium-crypto-box-keypair-from-secretkey-and-publickey-returnvalues">
  <h3 class="title">戻り値</h3>
  <p class="simpara">
   X25519 形式のキーペアを返します。
  </p>
 </div>



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