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225 lines
15 KiB
HTML
225 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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<body class="preload">
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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_contest_page_wrap">
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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/new-saved-messages-and-9-more" class="side_blog_entry">
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<div class="side_blog_date">Jan 31</div>
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<div class="side_blog_title">Saved Messages 2.0, One-Time Voice Messages and 8 More Features</div>
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</a><a href="/blog/calls-and-bots" class="side_blog_entry">
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<div class="side_blog_date">Dec 31</div>
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<div class="side_blog_title">Colorful Calls, Thanos Snap Effect, and Better Bots</div>
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</a><a href="/blog/posts-in-stories-and-more" class="side_blog_entry">
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<div class="side_blog_date">Dec 23</div>
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<div class="side_blog_title">Channel Appearance, Posts in Stories and More</div>
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</a><a href="/blog/similar-channels" class="side_blog_entry">
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<div class="side_blog_date">Nov 30</div>
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<div class="side_blog_title">Similar Channels, Reposting Stories, and 9 More Features</div>
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</a><a href="/blog/giveaways" class="side_blog_entry">
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<div class="side_blog_date">Nov 6</div>
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<div class="side_blog_title">Giveaways in Channels and Free Premium</div>
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</a><a href="/blog/reply-revolution" class="side_blog_entry">
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<div class="side_blog_date">Oct 28</div>
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<div class="side_blog_title">Replies 2.0, Adjustable Link Previews, Name Colors and More</div>
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</a><a href="/blog/channel-stories" class="side_blog_entry">
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<div class="side_blog_date">Sep 22</div>
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<div class="side_blog_title">Stories in Channels, View-Once Media and 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/new-saved-messages-and-9-more"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400296/1/9NHuUm1khJE.300782/913468ac6a12d3161d" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Saved Messages 2.0, One-Time Voice Messages and 8 More Features</h4>
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<div class="dev_blog_card_lead">Throughout January, we added 10 new features to Telegram – including upgraded Saved Messages, one-time voice and video messages that delete…</div>
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</div>
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<div class="dev_blog_card_date">Jan 31, 2024</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/calls-and-bots"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400149/1/BSY3rQYfUhs.332063/6b257c0dc671d7be2c" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Colorful Calls, Thanos Snap Effect, and an Epic Update for Bots</h4>
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<div class="dev_blog_card_lead">Telegram's 10th update of 2023 adds improved calls with a colorful new design that use less of your phone's battery, a new vaporize effect…</div>
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</div>
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<div class="dev_blog_card_date">Dec 31, 2023</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/posts-in-stories-and-more"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400793/2/VkvuurAxFVg.277684/e7d479017cc416a63a" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Channel Appearance, Posts in Stories and More</h4>
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<div class="dev_blog_card_lead">In Telegram's Christmas update, channels can set wallpapers, emoji statuses and profile logos, users can repost channel messages to stories…</div>
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</div>
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<div class="dev_blog_card_date">Dec 23, 2023</div>
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</div></a><a class="dev_blog_card_link_wrap" href="/blog/similar-channels"><div class="dev_blog_card_wrap">
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<img class="dev_blog_card_image" src="https://telegram.org/file/400780400090/1/RprIYMnvOUg.277465/d9f6381d8e3088a8f7" />
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<div class="dev_blog_card_alltext_wrap">
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<h4 class="dev_blog_card_title">Similar Channels, Reposting Stories, and 9 More Features</h4>
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<div class="dev_blog_card_lead">Today's update lets you find more channels on similar topics, repost stories from friends and channels, and add video messages to stories.…</div>
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</div>
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<div class="dev_blog_card_date">Nov 30, 2023</div>
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</div></a>
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</div>
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</div>
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</div>
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</div>
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<div class="footer_wrap">
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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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<h5><a href="//core.telegram.org/">Platform</a></h5>
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<h5><a href="//core.telegram.org/">Platform</a></h5>
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