<?php include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc'; $TOC = array(); $TOC_DEPRECATED = array(); $PARENTS = array(); include_once dirname(__FILE__) ."/toc/ref.sodium.inc"; $setup = array ( 'home' => array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.sodium-crypto-generichash.php', 1 => 'sodium_crypto_generichash', 2 => 'Get a hash of the message', ), 'up' => array ( 0 => 'ref.sodium.php', 1 => 'Sodium 函数', ), 'prev' => array ( 0 => 'function.sodium-crypto-core-ristretto255-sub.php', 1 => 'sodium_crypto_core_ristretto255_sub', ), 'next' => array ( 0 => 'function.sodium-crypto-generichash-final.php', 1 => 'sodium_crypto_generichash_final', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/sodium/functions/sodium-crypto-generichash.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?> <div id="function.sodium-crypto-generichash" class="refentry"> <div class="refnamediv"> <h1 class="refname">sodium_crypto_generichash</h1> <p class="verinfo">(PHP 7 >= 7.2.0, PHP 8)</p><p class="refpurpose"><span class="refname">sodium_crypto_generichash</span> — <span class="dc-title">Get a hash of the message</span></p> </div> <div class="refsect1 description" id="refsect1-function.sodium-crypto-generichash-description"> <h3 class="title">说明</h3> <div class="methodsynopsis dc-description"> <span class="methodname"><strong>sodium_crypto_generichash</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$message</code></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">$key</code><span class="initializer"> = ""</span></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$length</code><span class="initializer"> = <strong><code><a href="sodium.constants.php#constant.sodium-crypto-generichash-bytes">SODIUM_CRYPTO_GENERICHASH_BYTES</a></code></strong></span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div> <p class="para rdfs-comment"> Hash a message with BLAKE2b. </p> </div> <div class="refsect1 parameters" id="refsect1-function.sodium-crypto-generichash-parameters"> <h3 class="title">参数</h3> <dl> <dt><code class="parameter">message</code></dt> <dd> <p class="para"> The message being hashed. </p> </dd> <dt><code class="parameter">key</code></dt> <dd> <p class="para"> (Optional) cryptographic key. This serves the same function as a HMAC key, but it's utilized as a reserved section of the internal BLAKE2 state. </p> </dd> <dt><code class="parameter">length</code></dt> <dd> <p class="para"> Output size. </p> </dd> </dl> </div> <div class="refsect1 returnvalues" id="refsect1-function.sodium-crypto-generichash-returnvalues"> <h3 class="title">返回值</h3> <p class="para"> The cryptographic hash as raw bytes. If a hex-encoded output is desired, the result can be passed to <span class="function"><a href="function.sodium-bin2hex.php" class="function">sodium_bin2hex()</a></span>. </p> </div> </div><?php manual_footer($setup); ?>