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| 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| 2 | <html> |
| 3 | <head> |
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/> |
| 5 | <link rel="icon" href="/pages/images/favicon.ico" type="image"/> |
| 6 | <title>.tel Developers | Security</title> |
| 7 | <link rel="stylesheet" href="/pages/css/layout.css" type="text/css"/> |
| 8 | <link rel="stylesheet" href="/pages/css/print.css" type="text/css"/> |
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| 15 | </script> |
| 16 | <meta name="author" value=".tel Developer Community"/> |
| 17 | <meta name="email" value="general.AT.jakarta.DOT.apache.DOT.org"/> |
| 18 | </head> |
| 19 | <body> |
| 20 | <!--PAGE HEADER--> |
| 21 | <!--TELNIC LOGO--> |
| 22 | <div id="header"> |
| 23 | <div class="logo"> |
| 24 | <a href="http://telnic.org/"> |
| 25 | <img src="/pages/images/TelnicLogo.gif" alt="The .tel Developer Community" border="0"/> |
| 26 | </a> |
| 27 | </div> |
| 28 | <div class="links"> |
| 29 | <a href="http://telnic.org/" class="normallink">Home</a> |
| 30 | <a href="http://telnic.org/aboutus.html" class="normallink">About Us</a> |
| 31 | <a href="/pages/sitemap.html" class="normallink">Developer Sitemap</a> |
| 32 | <a href="http://telnic.org/contact.html" class="lastlink">Contact Us</a> |
| 33 | </div> |
| 34 | </div> |
| 35 | <div id="wrapper"> |
| 36 | <div id="nsearchheader"> |
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| 38 | <form action="http://www.google.com/search" method="get"> |
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| 43 | </div> |
| 44 | </div> |
| 45 | <div class="clear"> </div> |
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| 50 | <a href="/pages/index.html">Developers</a> |
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| 57 | </li> |
| 58 | <li> |
| 59 | <a href="/pages/security.html">Security</a> |
| 60 | </li> |
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| 64 | </ul> |
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| 67 | <a href="/pages/downloads.html">.tel Applications</a> |
| 68 | <ul class="navcolleveltwo"> |
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| 146 | </ul> |
| 147 | </div> |
| 148 | <!--MAIN BODY--> |
| 149 | <div id="maincolfullwidth_withspace_more"> |
| 150 | <a name="Security"> |
| 151 | <h1>Security</h1> |
| 152 | </a> |
| 153 | <p>The .tel platform includes a friending mechanism for controlling access |
| 154 | to published contact information. In fact, any NAPTR data can be secured |
| 155 | and made private to any friend. For example, if Alice owns alice.tel and |
| 156 | she has friends Bob and Charlie, she could make her office telephone number public, |
| 157 | restrict her email address to be shown only to Bob and Charlie, and make her home |
| 158 | phone number viewable only by Bob.</p> |
| 159 | <p>Private data is encrypted and stored inside NAPTR records of type "x-crypto". |
| 160 | The X-Crypto NAPTR has been designed not to break IANA ENUM service type formats |
| 161 | and abide by the IETF “ENUM Experiences” document.</p> |
| 162 | <p>The process to secure data consists of three procedures that are |
| 163 | performed by the encryption routines:</p> |
| 164 | <ol> |
| 165 | <li>The plaintext is processed with PKCS#1.5 or OAEP padding to provide |
| 166 | extra protection against attack and create a standard block size |
| 167 | (in this case 128 bytes).</li> |
| 168 | <li>The plaintext is 1024-bit encrypted with the reader's public |
| 169 | key to obtain 128 bytes of binary data.</li> |
| 170 | <li>The binary data is Base 64 encoded so that the encrypted data |
| 171 | can be stored in a NAPTR record without containing special characters.</li> |
| 172 | </ol> |
| 173 | <p> |
| 174 | <b>Note:</b> We do NOT recommend storing sensitive |
| 175 | personal information such as credit card numbers inside a .tel domain. This is |
| 176 | not the purpose of the .tel. </p> |
| 177 | <p>The public-private key pair technique can be used for secure |
| 178 | data exchange bypassing the “official” .tel friending system. |
| 179 | All you need to know is how to decrypt your friend’s encrypted data. |
| 180 | </p> |
| 181 | <p>For more information on the .tel security model, please read our whitepaper |
| 182 | <a href="/docs/privacy.pdf">Protecting .tel Contact Data</a>.</p> |
| 183 | </div> |
| 184 | <div class="clear"> </div> |
| 185 | </div> |
| 186 | <!--FOOTER SEPARATOR--> |
| 187 | <div id="footer"> |
| 188 | <div class="left"> |
| 189 | <a href="/pages/legal.html"> Legal & Privacy</a> © 2008 Telnic Limited.</div> |
| 190 | <div class="right"> |
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| 193 | <script src="/pages/js/countdown.js"> </script> |
| 194 | </div> |
| 195 | </div> |
| 196 | </body> |
| 197 | </html> |
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