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112 lines
4.9 KiB
HTML
112 lines
4.9 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>Encrypt a PHP script with BLENC</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.blenc-encrypt" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">blenc_encrypt</h1>
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<p class="verinfo">(PECL blenc >= 5)</p><p class="refpurpose"><span class="refname">blenc_encrypt</span> — <span class="dc-title">
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Encrypt a PHP script with BLENC
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.blenc-encrypt-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>blenc_encrypt</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$plaintext</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$encodedfile</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$encryption_key</code></span>
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] ) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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Encrypt the <code class="parameter">plaintext</code> content and write it into <code class="parameter">encodedfile</code>
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.blenc-encrypt-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">plaintext</code>
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</dt>
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<dd>
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<p class="para">
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A source code to encrypt. Does not need to contain opening/closing PHP tags
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</p>
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</dd>
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<dt>
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<code class="parameter">encodedfile</code>
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</dt>
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<dd>
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<p class="para">
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The filename where BLENC will save the encoded source.
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</p>
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</dd>
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<dt>
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<code class="parameter">encryption_key</code>
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</dt>
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<dd>
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<p class="para">
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The key that BLENC will use to encrypt plaintext content. If not given
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BLENC will create a valid key.
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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.blenc-encrypt-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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BLENC will return the redistributable key that must be saved into key_file:
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the path of key_file is specified at runtime with the option blenc.key_file
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.blenc-encrypt-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-454">
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<p><strong>Example #1 <span class="function"><strong>blenc_encrypt()</strong></span> example </strong></p>
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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 /><br /></span><span style="color: #FF8000">/* read the PHP source code */<br /></span><span style="color: #0000BB">$source_code </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">"my_source_to_protect.php"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* create the encrypted version */<br /></span><span style="color: #0000BB">$redistributable_key </span><span style="color: #007700">= </span><span style="color: #0000BB">blenc_encrypt</span><span style="color: #007700">(</span><span style="color: #0000BB">$source_code</span><span style="color: #007700">, </span><span style="color: #DD0000">"my_source_encoded.php"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* read which is the key_file */<br /></span><span style="color: #0000BB">$key_file </span><span style="color: #007700">= </span><span style="color: #0000BB">ini_get</span><span style="color: #007700">(</span><span style="color: #DD0000">'blenc.key_file'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* save the redistributable key */<br /></span><span style="color: #0000BB">file_put_contents</span><span style="color: #007700">(</span><span style="color: #0000BB">$key_file</span><span style="color: #007700">, </span><span style="color: #0000BB">$redistributable_key</span><span style="color: #007700">, </span><span style="color: #0000BB">FILE_APPEND</span><span style="color: #007700">);<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>
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</p>
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</div>
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</div></div></div></body></html> |