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30 31 <!-- End Google AdSense --> </head> 32 <body> 33 34 <main class="container"> 35 <div class="row justify-content-md-center"> 36 <h1 class="col text-center"><a href="/"><i class="fa fa-home pr-4"></i>function md5()</a></h1> 37 </div> 38 <div class="row justify-content-md-center py-4"> 39 <h2 class="col text-center ">Using MD5 function in MariaDB</h2> 40</div> 41<article class="row"> 42 43 <div class="col-12"> 44 <p>Using the MD5 algorithm in MariaDB is very easy because it has a native MD5() function.</p> 45 <p>The return value is a 32-hex digit string, and as of MariaDB 5.5, is a nonbinary string in 46 the connection character set and collation, determined by the values of the <code>character_set_connection</code> and <code>collation_connection</code> system variables. 47 Before 5.5, the return value was a binary string.</p> 48 <p><code>NULL</code> is returned if the argument was <code>NULL</code>.</p> 49 </div> 50 <div class="col-12 mt-4"><h3>Syntax:</h3> 51 <pre><code class="language-sql">MD5(string)</code></pre> 52 </div> 53 54 <div class="col-12"> 55 56 <h3>Basic example:</h3> 57 <pre><code class="language-sql">SELECT MD5('Hello world!');</code></pre></div> 58 59 60 <div class="col-12"><h4>The above example will output:</h4> 61 <pre><code class="language-plaintext">86fb269d190d2c85f6e0468ceca42a20</code></pre> 62 </div> 63 64 <div class="col-12 mt-4"> 65 <h3>Example #2 with salt before string to be encrypted:</h3> 66 <p>In some cases, it is worth using a salted MD5 hash for added security. This means that you add the "salt string" before or after the string to be encrypted.</p> 67 <pre> 68 <code class="language-sql">SELECT MD5(CONCAT('yourSalt', 'Hello world!'));</code> 69 </pre></div> 70 71 <div class="col-12"><h4>Example #2 will output:</h4> 72 <pre><code class="language-plaintext">a17602be9d6201a338243d8d7693f5bf</code></pre> 73 </div> 74 75 <div class="col-12"> 76 <p><i>Note: Be aware that using encryption functions in a database usually means that the original, unencrypted text will be stored in the database log, which in some cases can be a potential security risk.</i></p> 77 </div> 78 <div class="col-12 externalSources"> 79 <h3>External resources about MD5 in MariaDDB:</h3> 80 <a href="https://mariadb.com/kb/en/md5/" target="_blank"><i class="fas fa-external-link-alt" aria-hidden="true"></i> MariaDB.com</a> 81 </ul> 82 </div> 83 84</article> </main> 85 <footer> 86 <hr> 87 <div class="row content-md-center mt-2 pt-2"> 88 <div class="col-sm-12 text-center"><small>Implementations MD5:</small></div> 89 </div> 90 <div class="links row"> 91 <div class="col-sm-12 text-center"> 92 <a href="/php-md5" title="string md5 ( string $str [, bool $raw_output ] )">md5() in PHP</a> <small>|</small> 93 <a href="/javascript-md5" title="MD5 Implementation in JavaScript">md5 in JavaScript</a> <small>|</small> 94 <a href="/mysql-md5" title="MySQL: function MD5">md5() in MySQL</a> <small>|</small> 95 <a href="/mariadb-md5" title="MariaDB: function MD5">md5() in MariaDB</a> <small>|</small> 96 <a href="/t-sql-md5" title="T-SQL: function MD5">md5 in T-SQL</a> <small>|</small> 97 <a href="/python-md5" title="MD5 hash in Python">md5 in Python</a> 98 </div> 99 </div> 100 <div class="links row"> 101 <div class="col-sm-12 text-center"> 102 <a href="http://en.wikipedia.org/wiki/Md5" target="_blank" title="MD5 (Message-Digest algorithm 5) on Wikipedia.org">MD5 on Wikipedia.org</a> 103 </div> 104 </div> 105 </footer> 106 <!--
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