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22</ul></div><div id="middle"><div class="mainbox"><div class="language_tabs"><a href="https://de.functions-online.com/cryptography.html" hreflang="de" title="deutsch" id="tab_de" class="tab">de</a><a href="https://www.functions-online.com/cryptography.html" hreflang="en" title="english" id="tab_en" class="taba">en</a><a href="https://es.functions-online.com/cryptography.html" hreflang="es" title="espa&ntilde;ol" id="tab_es" class="tab">es</a><a href="https://fr.functions-online.com/cryptography.html" hreflang="fr" title="fran&ccedil;ais" id="tab_fr" class="tab">fr</a><a href="https://it.functions-online.com/cryptography.html" hreflang="it" title="italiano" id="tab_it" class="tab">it</a><a href="https://ja.functions-online.com/cryptography.html" hreflang="ja" title="&#26085;&#26412;&#35486;" id="tab_ja" class="tab">ja</a><a href="https://pt.functions-online.com/cryptography.html" hreflang="pt" title="portugu&ecirc;s" id="tab_pt" class="tab">pt</a><a href="https://ru.functions-online.com/cryptography.html" hreflang="ru" title="&#1088;&#1091;&#1089;&#1089;&#1082;&#1080;&#1081;" id="tab_ru" class="tab">ru</a><a href="https://tr.functions-online.com/cryptography.html" hreflang="tr" title="t&uuml;rk&ccedil;e" id="tab_tr" class="tab">tr</a><a href="https://zh.functions-online.com/cryptography.html" hreflang="zh" title="&#20013;&#25991;" id="tab_zh" class="tab">zh</a><div class="clear"></div></div><h1>Cryptography</h1><div class="mbcontent"><p>Execute and test PHP functions with a cryptographic background.</p><div><h3><a href="/convert_uudecode.html" title="convert_uudecode">convert_uudecode</a></h3><div class="box"><div><p>convert_uudecode() decodes a uuencoded string.</p></div></div></div><div><h3><a href="/convert_uuencode.html" title="convert_uuencode">convert_uuencode</a></h3><div class="box"><div><p>convert_uuencode() encodes a string using the uuencode algorithm.</p>
23<p>Uuencode translates all strings (including binary's ones) into printable characters, making them safe for network transmissions. Uuencoded data is about 35% larger than the original.</p></div></div></div><div><h3><a href="/crc32.html" title="crc32">crc32</a></h3><div class="box"><div><p>Generates the cyclic redundancy checksum polynomial of 32-bit lengths of the $str. This is usually used to validate the integrity of data being transmitted.</p>
24<p>Because PHP's integer type is signed, and many crc32 checksums will result in negative integers, you need to use the "%u" formatter of sprintf() or printf() to get the string representation of the unsigned crc32 checksum.</p></div></div></div><div><h3><a href="/crypt.html" title="crypt">crypt</a></h3><div class="box"><div><p>crypt() will return an encrypted string using the standard Unix DES-based encryption algorithm or alternative algorithms that may be available on the system.</p>
25<p>If no Salt-Argument is given, PHP randomly generates a new one with every use of the function.</p>
26<p>

26To generate a .htpasswd password, simple copy your password in $str and click on "run". The parameter $salt must not be filled. Now copy the generated password in your .htpasswd file with a : as separator to the username in a new line (username:password).</p></div></div></div><div><h3><a href="/generate-password.html" title="Generate Password">Generate Password</a></h3><div class="box"><div><p>Generate your own password with several options. The number of characters is free adjustable as the used characters, too.</p></div></div></div><div><h3><a href="/hash.html" title="hash">hash</a></h3><div class="box"><div><p>hash() generates a hash value (message digest)</p></div></div></div><div><h3><a href="/md5.html" title="md5">md5</a></h3><div class="box"><div><p>Calculates the MD5 hash of $str using the « RSA Data Security, Inc. MD5 Message-Digest Algorithm » and returns that hash. The MD5 code returns always a string of 32 characters. Every char is given as the hexadecimal equivalent of the calculated MD5 value.</p></div></div></div><div><h3><a href="/mhash.html" title="mhash">mhash</a></h3><div class="box"><div><p>mhash() applies a hash function specified by $hash to the $data.</p></div></div></div><div><h3><a href="/sha1.html" title="sha1">sha1</a></h3><div class="box"><div><p>Calculates the sha1 hash of $str using the « US Secure Hash Algorithm 1 ».</p></div></div></div></div></div></div><div class="clear"></div></div></div></div><div id="footer"><div id="inner_foot"><ul id="footernavi"><li><div class="navleft"></div><a href="/">Home</a><div class="navright"></div></li><li><div class="navleft"></div><a href="http://jan.bogutzki.de/Kategorie/projekte/functions-online">Blog</a><div class="navright"></div></li><li><div class="navleft"></div><a href="https://www.facebook.com/functionsonline/">Facebook Page</a><div class="navright"></div></li><li><div class="navleft"></div><a href="/commentator.html">Comments</a><div class="navright"></div></li><li><div class="navleft"></div><a href="/search.html">Search</a><div class="navright"></div></li><li><div class="navleft"></div><a href="/sitemap.html">Sitemap</a><div class="navright"></div></li><li><div class="navleft"></div><a href="/impressum.html">Imprint</a><div class="navright"></div></li><li><div class="clear"></div><div class="navleft"></div><a href="#" id="open_preferences_center">Cookie Consent</a><div class="navright"></div><div class="clear"></div></li></ul><div id="copy">
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