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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta name="Content-Type" content="text/html; charset=utf-8" /> <title>Class: ROTP::OTP</title> <link rel="stylesheet" href="../css/style.css" type="text/css" media="screen" charset="utf-8" /> <link rel="stylesheet" href="../css/common.css" type="text/css" media="screen" charset="utf-8" /> <script type="text/javascript" charset="utf-8"> relpath = '..'; if (relpath != '') relpath += '/'; </script> <script type="text/javascript" charset="utf-8" src="../js/jquery.js"></script> <script type="text/javascript" charset="utf-8" src="../js/app.js"></script> </head> <body> <script type="text/javascript" charset="utf-8"> if (window.top.frames.main) document.body.className = 'frames'; </script> <div id="header"> <div id="menu"> <a href="../_index.html">Index (O)</a> » <span class='title'><span class='object_link'><a href="../ROTP.html" title="ROTP (module)">ROTP</a></span></span> » <span class="title">OTP</span> <div class="noframes"><span class="title">(</span><a href="." target="_top">no frames</a><span class="title">)</span></div> </div> <div id="search"> <a id="class_list_link" href="#">Class List</a> <a id="method_list_link" href="#">Method List</a> <a id ="file_list_link" href="#">File List</a> </div> <div class="clear"></div> </div> <iframe id="search_frame"></iframe> <div id="content"><h1>Class: ROTP::OTP </h1> <dl class="box"> <dt class="r1">Inherits:</dt> <dd class="r1"> <span class="inheritName">Object</span> <ul class="fullTree"> <li>Object</li> <li class="next">ROTP::OTP</li> </ul> <a href="#" class="inheritanceTree">show all</a> </dd> <dt class="r2 last">Defined in:</dt> <dd class="r2 last">lib/rotp/otp.rb</dd> </dl> <div class="clear"></div> <div id="subclasses"> <h2>Direct Known Subclasses</h2> <p class="children"><span class='object_link'><a href="HOTP.html" title="ROTP::HOTP (class)">HOTP</a></span>, <span class='object_link'><a href="TOTP.html" title="ROTP::TOTP (class)">TOTP</a></span></p> </div> <h2>Instance Attribute Summary <small>(<a href="#" class="summary_toggle">collapse</a>)</small></h2> <ul class="summary"> <li class="public "> <span class="summary_signature"> <a href="#digest-instance_method" title="#digest (instance method)">- (Object) <strong>digest</strong> </a> </span> <span class="note title readonly">readonly</span> <span class="summary_desc"><div class='inline'><p> Returns the value of attribute digest. </p> </div></span> </li> <li class="public "> <span class="summary_signature"> <a href="#digits-instance_method" title="#digits (instance method)">- (Object) <strong>digits</strong> </a> </span> <span class="note title readonly">readonly</span> <span class="summary_desc"><div class='inline'><p> Returns the value of attribute digits. </p> </div></span> </li> <li class="public "> <span class="summary_signature"> <a href="#secret-instance_method" title="#secret (instance method)">- (Object) <strong>secret</strong> </a> </span> <span class="note title readonly">readonly</span> <span class="summary_desc"><div class='inline'><p> Returns the value of attribute secret. </p> </div></span> </li> </ul> <h2> Instance Method Summary <small>(<a href="#" class="summary_toggle">collapse</a>)</small> </h2> <ul class="summary"> <li class="public "> <span class="summary_signature"> <a href="#byte_secret-instance_method" title="#byte_secret (instance method)">- (Object) <strong>byte_secret</strong> </a> </span> <span class="summary_desc"><div class='inline'></div></span> </li> <li class="public "> <span class="summary_signature"> <a href="#generate_otp-instance_method" title="#generate_otp (instance method)">- (Object) <strong>generate_otp</strong>(count) </a> </span> <span class="summary_desc"><div class='inline'></div></span> </li> <li class="public "> <span class="summary_signature"> <a href="#initialize-instance_method" title="#initialize (instance method)">- (OTP) <strong>initialize</strong>(s, options = {}) </a> </span> <span class="note title constructor">constructor</span> <span class="summary_desc"><div class='inline'><p> Params: secret in base32. </p> </div></span> </li> <li class="public "> <span class="summary_signature"> <a href="#int_to_bytestring-instance_method" title="#int_to_bytestring (instance method)">- (Object) <strong>int_to_bytestring</strong>(int, padding = 8) </a> </span> <span class="summary_desc"><div class='inline'></div></span> </li> </ul> <div id="constructor_details" class="method_details_list"> <h2>Constructor Details</h2> <div class="method_details first"> <p class="signature first" id="initialize-instance_method"> - (<tt><span class='object_link'><a href="" title="ROTP::OTP (class)">OTP</a></span></tt>) <strong>initialize</strong>(s, options = {}) </p><div class="docstring"> <div class="discussion"> <p> Params: secret in base32 </p> </div> </div> <div class="tags"> </div><table class="source_code"> <tr> <td> <pre class="lines"> 6 7 8 9 10</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 6</span> <span class='def def kw'>def</span> <span class='initialize identifier id'>initialize</span><span class='lparen token'>(</span><span class='s identifier id'>s</span><span class='comma token'>,</span> <span class='options identifier id'>options</span> <span class='assign token'>=</span> <span class='lbrace token'>{</span><span class='rbrace token'>}</span><span class='rparen token'>)</span> <span class='@digits ivar id'>@digits</span> <span class='assign token'>=</span> <span class='options identifier id'>options</span><span class='lbrack token'>[</span><span class='symbol val'>:digits</span><span class='rbrack token'>]</span> <span class='orop op'>||</span> <span class='integer val'>6</span> <span class='@digest ivar id'>@digest</span> <span class='assign token'>=</span> <span class='options identifier id'>options</span><span class='lbrack token'>[</span><span class='symbol val'>:digest</span><span class='rbrack token'>]</span> <span class='orop op'>||</span> <span class='string val'>"sha1"</span> <span class='@secret ivar id'>@secret</span> <span class='assign token'>=</span> <span class='s identifier id'>s</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> </div> <div id="instance_attr_details" class="attr_details"> <h2>Instance Attribute Details</h2> <span id=""></span> <span id="digest-instance_method"></span> <div class="method_details first"> <p class="signature first" id="digest-instance_method"> - (<tt>Object</tt>) <strong>digest</strong> <span class="extras">(readonly)</span> </p><div class="docstring"> <div class="discussion"> <p> Returns the value of attribute digest </p> </div> </div> <div class="tags"> </div><table class="source_code"> <tr> <td> <pre class="lines"> 3 4 5</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 3</span> <span class='def def kw'>def</span> <span class='digest identifier id'>digest</span> <span class='@digest ivar id'>@digest</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> <span id=""></span> <span id="digits-instance_method"></span> <div class="method_details "> <p class="signature " id="digits-instance_method"> - (<tt>Object</tt>) <strong>digits</strong> <span class="extras">(readonly)</span> </p><div class="docstring"> <div class="discussion"> <p> Returns the value of attribute digits </p> </div> </div> <div class="tags"> </div><table class="source_code"> <tr> <td> <pre class="lines"> 3 4 5</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 3</span> <span class='def def kw'>def</span> <span class='digits identifier id'>digits</span> <span class='@digits ivar id'>@digits</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> <span id=""></span> <span id="secret-instance_method"></span> <div class="method_details "> <p class="signature " id="secret-instance_method"> - (<tt>Object</tt>) <strong>secret</strong> <span class="extras">(readonly)</span> </p><div class="docstring"> <div class="discussion"> <p> Returns the value of attribute secret </p> </div> </div> <div class="tags"> </div><table class="source_code"> <tr> <td> <pre class="lines"> 3 4 5</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 3</span> <span class='def def kw'>def</span> <span class='secret identifier id'>secret</span> <span class='@secret ivar id'>@secret</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> </div> <div id="instance_method_details" class="method_details_list"> <h2>Instance Method Details</h2> <div class="method_details first"> <p class="signature first" id="byte_secret-instance_method"> - (<tt>Object</tt>) <strong>byte_secret</strong> </p><table class="source_code"> <tr> <td> <pre class="lines"> 27 28 29</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 27</span> <span class='def def kw'>def</span> <span class='byte_secret identifier id'>byte_secret</span> <span class='Base32 constant id'>Base32</span><span class='dot token'>.</span><span class='decode identifier id'>decode</span><span class='lparen token'>(</span><span class='@secret ivar id'>@secret</span><span class='rparen token'>)</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> <div class="method_details "> <p class="signature " id="generate_otp-instance_method"> - (<tt>Object</tt>) <strong>generate_otp</strong>(count) </p><table class="source_code"> <tr> <td> <pre class="lines"> 12 13 14 15 16 17 18 19 20 21 22 23 24 25</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 12</span> <span class='def def kw'>def</span> <span class='generate_otp identifier id'>generate_otp</span><span class='lparen token'>(</span><span class='count identifier id'>count</span><span class='rparen token'>)</span> <span class='hmac identifier id'>hmac</span> <span class='assign token'>=</span> <span class='OpenSSL constant id'>OpenSSL</span><span class='colon2 op'>::</span><span class='HMAC constant id'>HMAC</span><span class='dot token'>.</span><span class='digest identifier id'>digest</span><span class='lparen token'>(</span> <span class='OpenSSL constant id'>OpenSSL</span><span class='colon2 op'>::</span><span class='Digest constant id'>Digest</span><span class='colon2 op'>::</span><span class='Digest constant id'>Digest</span><span class='dot token'>.</span><span class='new identifier id'>new</span><span class='lparen token'>(</span><span class='digest identifier id'>digest</span><span class='rparen token'>)</span><span class='comma token'>,</span> <span class='byte_secret identifier id'>byte_secret</span><span class='comma token'>,</span> <span class='int_to_bytestring identifier id'>int_to_bytestring</span><span class='lparen token'>(</span><span class='count identifier id'>count</span><span class='rparen token'>)</span> <span class='rparen token'>)</span> <span class='offset identifier id'>offset</span> <span class='assign token'>=</span> <span class='hmac identifier id'>hmac</span><span class='lbrack token'>[</span><span class='integer val'>19</span><span class='rbrack token'>]</span> <span class='bitand op'>&</span> <span class='integer val'>0xf</span> <span class='code identifier id'>code</span> <span class='assign token'>=</span> <span class='lparen token'>(</span><span class='hmac identifier id'>hmac</span><span class='lbrack token'>[</span><span class='offset identifier id'>offset</span><span class='rbrack token'>]</span> <span class='bitand op'>&</span> <span class='integer val'>0x7f</span><span class='rparen token'>)</span> <span class='lshft op'><<</span> <span class='integer val'>24</span> <span class='bitor op'>|</span> <span class='lparen token'>(</span><span class='hmac identifier id'>hmac</span><span class='lbrack token'>[</span><span class='offset identifier id'>offset</span> <span class='plus op'>+</span> <span class='integer val'>1</span><span class='rbrack token'>]</span> <span class='bitand op'>&</span> <span class='integer val'>0xff</span><span class='rparen token'>)</span> <span class='lshft op'><<</span> <span class='integer val'>16</span> <span class='bitor op'>|</span> <span class='lparen token'>(</span><span class='hmac identifier id'>hmac</span><span class='lbrack token'>[</span><span class='offset identifier id'>offset</span> <span class='plus op'>+</span> <span class='integer val'>2</span><span class='rbrack token'>]</span> <span class='bitand op'>&</span> <span class='integer val'>0xff</span><span class='rparen token'>)</span> <span class='lshft op'><<</span> <span class='integer val'>8</span> <span class='bitor op'>|</span> <span class='lparen token'>(</span><span class='hmac identifier id'>hmac</span><span class='lbrack token'>[</span><span class='offset identifier id'>offset</span> <span class='plus op'>+</span> <span class='integer val'>3</span><span class='rbrack token'>]</span> <span class='bitand op'>&</span> <span class='integer val'>0xff</span><span class='rparen token'>)</span> <span class='code identifier id'>code</span> <span class='mod op'>%</span> <span class='integer val'>10</span> <span class='pow op'>**</span> <span class='digits identifier id'>digits</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> <div class="method_details "> <p class="signature " id="int_to_bytestring-instance_method"> - (<tt>Object</tt>) <strong>int_to_bytestring</strong>(int, padding = 8) </p><table class="source_code"> <tr> <td> <pre class="lines"> 31 32 33 34 35 36 37 38</pre> </td> <td> <pre class="code"><span class="info file"># File 'lib/rotp/otp.rb', line 31</span> <span class='def def kw'>def</span> <span class='int_to_bytestring identifier id'>int_to_bytestring</span><span class='lparen token'>(</span><span class='int identifier id'>int</span><span class='comma token'>,</span> <span class='padding identifier id'>padding</span> <span class='assign token'>=</span> <span class='integer val'>8</span><span class='rparen token'>)</span> <span class='result identifier id'>result</span> <span class='assign token'>=</span> <span class='lbrack token'>[</span><span class='rbrack token'>]</span> <span class='until until kw'>until</span> <span class='int identifier id'>int</span> <span class='eq op'>==</span> <span class='integer val'>0</span> <span class='result identifier id'>result</span> <span class='lshft op'><<</span> <span class='lparen token'>(</span><span class='int identifier id'>int</span> <span class='bitand op'>&</span> <span class='integer val'>0x</span><span class='FF constant id'>FF</span><span class='rparen token'>)</span><span class='dot token'>.</span><span class='chr identifier id'>chr</span> <span class='int identifier id'>int</span> <span class='opasgn op'>>>=</span> <span class='integer val'>8</span> <span class='end end kw'>end</span> <span class='result identifier id'>result</span><span class='dot token'>.</span><span class='reverse identifier id'>reverse</span><span class='dot token'>.</span><span class='join identifier id'>join</span><span class='dot token'>.</span><span class='rjust identifier id'>rjust</span><span class='lparen token'>(</span><span class='integer val'>8</span><span class='comma token'>,</span> <span class='integer val'>0</span><span class='dot token'>.</span><span class='chr identifier id'>chr</span><span class='rparen token'>)</span> <span class='end end kw'>end</span> </pre> </td> </tr> </table> </div> </div> </div> <div id="footer"> Generated on Sun Feb 13 12:31:40 2011 by <a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a> 0.6.4 (ruby-1.8.7). </div> </body> </html>
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