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224 lines
15 KiB
HTML
224 lines
15 KiB
HTML
<!DOCTYPE html>
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<title>$300,000 for Cracking Telegram Encryption</title>
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<meta property="og:title" content="$300,000 for Cracking Telegram Encryption">
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<link rel="canonical" href="https://telegram.org/blog/cryptocontest" />
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<ul class="nav navbar-nav navbar-right"><li class="dropdown top_lang_select"><a class="dropdown-toggle" onclick="return dropdownClick(this, event)" href="#"><i class="dev_top_lang_icon"></i>EN <b class="minicaret"></b></a>
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<ul class="dropdown-menu"><li class="chosen "><a href="?setln=en">English</a></li><li class="long "><a href="?setln=id">Bahasa Indonesia</a></li><li class="long "><a href="?setln=ms">Bahasa Melayu</a></li><li class=""><a href="?setln=de">Deutsch</a></li><li class=""><a href="?setln=es">Español</a></li><li class=""><a href="?setln=fr">Français</a></li><li class=""><a href="?setln=it">Italiano</a></li><li class=""><a href="?setln=nl">Nederlands</a></li><li class=""><a href="?setln=uz">O‘zbek</a></li><li class=""><a href="?setln=pl">Polski</a></li><li class="long "><a href="?setln=pt-br">Português (Brasil)</a></li><li class=""><a href="?setln=tr">Türkçe</a></li><li class=""><a href="?setln=be">Беларуская</a></li><li class=""><a href="?setln=ru">Русский</a></li><li class=""><a href="?setln=uk">Українська</a></li><li class=""><a href="?setln=ar">العربية</a></li><li class=""><a href="?setln=fa">فارسی</a></li><li class=""><a href="?setln=ko">한국어</a></li></ul></li><li class="navbar-twitter hidden-xs"><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)"><i class="icon icon-twitter"></i> Twitter</a></li></ul>
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<li class=""><a href="/">Home</a></li>
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<li class=""><a href="/faq">FAQ</a></li>
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<li class=""><a href="/apps">Apps</a></li>
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<li class="hidden-xs "><a href="//core.telegram.org/api">API</a></li>
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<li class="hidden-xs "><a href="//core.telegram.org/mtproto">Protocol</a></li>
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</ul>
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</div>
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<div class="container clearfix tl_page_container ">
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<div class="tl_page">
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<div class="tl_blog_side_blog"><div class="side_blog_wrap">
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<div class="side_blog">
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<a href="/blog" class="side_blog_header">Recent News</a>
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<div class="side_blog_entries">
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<a href="/blog/shareable-folders-custom-wallpapers" class="side_blog_entry">
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<div class="side_blog_date">Apr 21</div>
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<div class="side_blog_title">Shareable Chat Folders, Custom Wallpapers and More</div>
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</a><a href="/blog/power-saving" class="side_blog_entry">
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<div class="side_blog_date">Mar 8</div>
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<div class="side_blog_title">Power Saving Mode and More</div>
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</a><a href="/blog/profile-pics-emoji-translations" class="side_blog_entry">
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<div class="side_blog_date">Feb 3</div>
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<div class="side_blog_title">Profile Photo Maker, Translating Entire Chats, Emoji Categories and More</div>
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</a><a href="/blog/hidden-media-zero-storage-profile-pics" class="side_blog_entry">
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<div class="side_blog_date">Dec 30</div>
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<div class="side_blog_title">Hidden Media, Zero Storage Usage, New Drawing Tools, and More</div>
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</a><a href="/blog/ultimate-privacy-topics-2-0" class="side_blog_entry">
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<div class="side_blog_date">Dec 6</div>
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<div class="side_blog_title">No-SIM Signup, Auto-Delete All Chats, Topics 2.0 and More</div>
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</a><a href="/blog/topics-in-groups-collectible-usernames" class="side_blog_entry">
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<div class="side_blog_date">Nov 5</div>
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<div class="side_blog_title">Topics in Groups, Collectible Usernames and More</div>
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</a><a href="/blog/infinite-reactions-statuses" class="side_blog_entry">
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<div class="side_blog_date">Sep 16</div>
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<div class="side_blog_title">Infinite Reactions, Emoji Statuses and Much More</div>
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</a>
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</div>
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</div>
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</div></div>
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<div id="dev_page_content_wrap" class=" ">
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<div class="dev_page_bread_crumbs"></div>
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<h1 id="dev_page_title">$300,000 for Cracking Telegram Encryption</h1>
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<div id="dev_page_content"><div class="blog_side_image_wrap">
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<img src="/file/811140704/1/2Er4fG4UQLI/7ee52af54b98564554" class="blog_side_image"/>
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</div>
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<blockquote>
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<p>This contest is <a href="https://telegram.org/blog/cryptocontest-ends">over</a>, but the <a href="https://core.telegram.org/bug-bounty">Telegram Bug Bounty Program</a> is <strong>always open</strong>.</p>
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<p><strong>Security researchers</strong> are welcome to submit any issues they find in the Telegram <strong>apps</strong> or <strong>protocol</strong> to us at <strong>security@telegram.org</strong>. All submissions which result in a change of code or configuration are eligible for bounties, ranging from <strong>$100</strong> to <a href="https://telegram.org/blog/crowdsourcing-a-more-secure-future"><strong>$100,000</strong></a> or more, depending on the severity of the issue.</p>
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</blockquote>
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<p>Earlier this year we had a <a href="/blog/winter-contest-ends">contest</a> to decipher intercepted Telegram messages, that did not produce a winner. Today we announce a new contest with an easier task and a larger prize — <strong>$300,000</strong> for cracking <a href="https://core.telegram.org/api/end-to-end">Telegram's encryption</a>, and this time contestants can not only monitor traffic, but also act as the Telegram server and use active attacks, which vastly increases their capabilities.</p>
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<p>In this contest you assume the role of a malicious entity in full control of both the communication lines and the Telegram servers themselves.</p>
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<blockquote>
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<p><strong>UPD</strong> The current round of the contest is over. <a href="https://telegram.org/blog/cryptocontest-ends"><strong>Go to results »</strong></a></p>
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</blockquote>
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<p>Your goal is to extract sensitive data (a secret email address) from a Secret Chat between two users — Nick and Paul. You control the entire process, from chat creation to the sending of each individual message and can perform various active attacks, including MITM, KPA, CPA, replay attacks, etc.</p>
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<h4><a class="anchor" name="contest-interface" href="#contest-interface"><i class="anchor-icon"></i></a>Contest Interface</h4>
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<p>In order to facilitate the task, we have created an interface, using which you can act as the server and determine which side gets what data. For more details, please check out the <strong><a href="https://core.telegram.org/contest300K">Cracking Contest Description</a></strong>.</p>
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<h4><a class="anchor" name="objectives" href="#objectives"><i class="anchor-icon"></i></a>Objectives</h4>
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<p>In order to confirm that Telegram crypto was indeed cracked and claim your <strong>$300,000</strong>, you'll need to send an email to the secret email address that you've extracted from one of the messages exchanged by Paul and Nick.</p>
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<p>Your email must contain:<br>- The entire text of the message that contained the secret email.<br>- Session logs for the successful attempt with your user_id.<br>- A detailed explanation of the attack on the protocol.<br>- Your bank account details to receive the $300,000 prize.</p>
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<p>There is also a bonus objective with an independent prize of <strong>$100,000</strong>.<br><a href="https://core.telegram.org/contest300K#bonus-objective">See full description for details »</a></p>
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<h4><a class="anchor" name="end-date" href="#end-date"><i class="anchor-icon"></i></a>End Date</h4>
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<p>To prove that the competition was fair, we will add a command that returns the keys used for encryption as soon as a winner is announced. In case there is no winner by February 4, 2015, decryption commands will be added at that date.</p>
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<div>
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<a href="/file/811140570/1/HuWOtUZqH3Y/ae540ee4fe9e565761" target="_blank"><img src="/file/811140509/1/w7ub14yjRmE/857f9fc6bf21c49411" title="Click for print quality image" class="dev_page_image" /></a><br>
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</div>
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<p><em>November 4, 2014<br>The Telegram Team</em></p>
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</div>
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</div>
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<div class="tl_main_share clearfix">
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<a href="https://t.me/share/url?url=https%3A%2F%2Ftelegram.org%2Fblog%2Fcryptocontest&text=%24300%2C000%20for%20cracking%20%23Telegram%20encryption" class="tl_telegram_share_btn" id="tl_telegram_share_btn" data-text="$300,000 for cracking #Telegram encryption" data-url="https://telegram.org/blog/cryptocontest"><i class="tl_telegram_share_icon"></i><span class="tl_telegram_share_label" target="_blank">Forward</span></a>
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<a href="https://twitter.com/share" class="tl_twitter_share_btn" id="tl_twitter_share_btn" data-text="$300,000 for cracking #Telegram encryption" data-url="https://telegram.org/blog/cryptocontest" data-via="Telegram">Tweet <span class="tl_twitter_share_cnt"></span></a>
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</div>
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</div>
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<div class="tl_main_recent_news_wrap tlb_other_news_wrap tl_blog_list_page_wrap">
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<h3 class="tl_main_recent_news_header">
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<a href="/blog">Other News</a>
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</h3>
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<div class="tl_main_recent_news_cards clearfix">
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<a class="dev_blog_card_link_wrap" href="/blog/shareable-folders-custom-wallpapers"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001391/12a08/mxuFQFqs9ig.226529/b33244c17e8def5591" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Shareable Chat Folders, Custom Wallpapers and More</h4>
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<div class="dev_blog_card_lead">This update lets users share entire chat folders with one link, create custom wallpapers for individual chats, use web apps in any chat…</div>
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</div>
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<div class="dev_blog_card_date">Apr 21, 2023</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/power-saving"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001102/1249e/myZil1nQBVo.279291/44cdbec9ff40e887d5" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Power Saving Mode and More</h4>
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<div class="dev_blog_card_lead">This update brings a new power saving mode, optimizes Telegram for lower-end Android devices, adds even more playback speed options, and much more.</div>
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</div>
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<div class="dev_blog_card_date">Mar 8, 2023</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/profile-pics-emoji-translations"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001685/121ea/HyZSx51MXnw.259992/06800efa6899f9ee32" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Profile Photo Maker, Translating Entire Chats, Emoji Categories and More</h4>
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<div class="dev_blog_card_lead">Telegram's first update of the year adds 10 major features by way of a warm-up exercise.</div>
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</div>
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<div class="dev_blog_card_date">Feb 3, 2023</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/hidden-media-zero-storage-profile-pics"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/464001670/fd0c/QD6RWeUTAIs.301579/e818a6df64543c1ad1" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Hidden Media, Zero Storage Usage, New Drawing Tools, Profile Pictures for Your Contacts, and More</h4>
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<div class="dev_blog_card_lead">Sending media with spoiler effects, new ways to save space on your device, new drawing tools…</div>
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</div>
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<div class="dev_blog_card_date">Dec 30, 2022</div>
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</div></a>
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</div>
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</div>
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<div class="footer_columns_wrap footer_desktop">
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<div class="footer_column footer_column_telegram">
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<h5>Telegram</h5>
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Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
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<h5><a href="/faq">About</a></h5>
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<li><a href="/press">Press</a></li>
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<li><a href="//desktop.telegram.org/">PC/Mac/Linux</a></li>
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<h5><a href="//core.telegram.org/">Platform</a></h5>
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