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158 lines
6.1 KiB
HTML
158 lines
6.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>获取可用的摘要算法</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.openssl-get-md-methods" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">openssl_get_md_methods</h1>
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<p class="verinfo">(PHP 5 >= 5.3.0, PHP 7)</p><p class="refpurpose"><span class="refname">openssl_get_md_methods</span> — <span class="dc-title">获取可用的摘要算法</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.openssl-get-md-methods-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>openssl_get_md_methods</strong></span>
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([ <span class="methodparam"><span class="type">bool</span> <code class="parameter">$aliases</code><span class="initializer"> = false</span></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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获取可用的摘要算法列表
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.openssl-get-md-methods-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">aliases</code></dt>
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<dd>
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<p class="para">
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设置为 <strong><code>TRUE</code></strong> 时，返回的<span class="type"><a href="language.types.array.html" class="type array">array</a></span>中将会包含摘要的别名.
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.openssl-get-md-methods-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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含有可用摘要算法的<span class="type"><span class="type 数组">数组</span></span>
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.openssl-get-md-methods-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-936">
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<p><strong>Example #1 <span class="function"><strong>openssl_get_md_methods()</strong></span> 范例：</strong></p>
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<div class="example-contents"><p>
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显示了可用的摘要，以及哪些别名可能是可用的。
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</p></div>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$digests </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_get_md_methods</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$digests_and_aliases </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_get_md_methods</span><span style="color: #007700">(</span><span style="color: #0000BB">true</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$digest_aliases </span><span style="color: #007700">= </span><span style="color: #0000BB">array_diff</span><span style="color: #007700">(</span><span style="color: #0000BB">$digests_and_aliases</span><span style="color: #007700">, </span><span style="color: #0000BB">$digests</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$digests</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$digest_aliases</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程的输出类似于：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Array
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(
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[0] => DSA
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[1] => DSA-SHA
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[2] => MD2
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[3] => MD4
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[4] => MD5
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[5] => RIPEMD160
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[6] => SHA
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[7] => SHA1
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[8] => SHA224
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[9] => SHA256
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[10] => SHA384
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[11] => SHA512
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[12] => dsaEncryption
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[13] => dsaWithSHA
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[14] => ecdsa-with-SHA1
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[15] => md2
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[16] => md4
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[17] => md5
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[18] => ripemd160
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[19] => sha
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[20] => sha1
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[21] => sha224
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[22] => sha256
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[23] => sha384
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[24] => sha512
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)
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Array
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(
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[2] => DSA-SHA1
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[3] => DSA-SHA1-old
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[4] => DSS1
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[9] => RSA-MD2
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[10] => RSA-MD4
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[11] => RSA-MD5
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[12] => RSA-RIPEMD160
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[13] => RSA-SHA
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[14] => RSA-SHA1
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[15] => RSA-SHA1-2
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[16] => RSA-SHA224
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[17] => RSA-SHA256
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[18] => RSA-SHA384
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[19] => RSA-SHA512
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[28] => dsaWithSHA1
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[29] => dss1
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[32] => md2WithRSAEncryption
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[34] => md4WithRSAEncryption
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[36] => md5WithRSAEncryption
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[37] => ripemd
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[39] => ripemd160WithRSA
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[40] => rmd160
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[43] => sha1WithRSAEncryption
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[45] => sha224WithRSAEncryption
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[47] => sha256WithRSAEncryption
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[49] => sha384WithRSAEncryption
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[51] => sha512WithRSAEncryption
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[52] => shaWithRSAEncryption
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[53] => ssl2-md5
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[54] => ssl3-md5
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[55] => ssl3-sha1
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)
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.openssl-get-md-methods-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="openssl_digest.html" class="function" rel="rdfs-seeAlso">openssl_digest()</a> - 计算摘要</span></li>
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<li class="member"><span class="function"><a href="openssl_get_cipher_methods.html" class="function" rel="rdfs-seeAlso">openssl_get_cipher_methods()</a> - 获取可用的加密算法</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |