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<p class="MsoNormal"><span style="color:black">Dear students, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">since 2006 the Dobbertin Challenge tackles students to solve cryptographic parameters correctly. The challenge operates in remembrance of Professor Hans Dobbertin, the founding director of the Horst Görtz institute
for IT Security (HGI) and Chair of Cryptography and Information Security (2001-2006). In the 90s Hans Dobbertin got worldwide famous for his work on cryptanalysis of hash functions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">The fastest student of the RUB receives price money in the amount of 300 € and a certificate</span><span style="color:#1F497D">!</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">This year’s challenge is provided by the Workgroup for Symmetric Cryptography. The challenge will be released
<b>tomorrow</b>,<b> February 11</b>, <b>4 pm</b>! You find the challenge and more information
</span><a href="https://www.crypto.ruhr-uni-bochum.de/DobbertinChallenge/2022.html.en"><b>here.</b></a><span style="color:black">
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Please send the flag with a short description of the solution from your RUB e-mail address to
</span><a href="mailto:phil.hebborn@rub.de">phil.hebborn@rub.de</a><span style="color:black">.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:black">Have fun and good luck! <o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#003560;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#003560;mso-fareast-language:DE">Barbara-Henrika Alfing, M.A.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#003560;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#003560;mso-fareast-language:DE">RUHR-UNIVERSITÄT BOCHUM<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#8DAE10;mso-fareast-language:DE">Horst-Görtz-Institut für IT-Sicherheit (HGI) / Exzellenzcluster CASA
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">Marketing and Public Relations<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">MC EG 79<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">Universitätsstr. 150<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">44780 Bochum, Germany<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">Tel: +49-(0)234-32-27-130<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">E-Mail</span><span style="font-size:10.0pt;color:#003560;mso-fareast-language:DE">:
</span><a href="mailto:Barbara-Henrika.Alfing@ruhr-uni-bochum.de"><span style="font-size:10.0pt;mso-fareast-language:DE">Barbara-Henrika.Alfing@ruhr-uni-bochum.de</span></a><span style="font-size:10.0pt;color:#003560;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><a href="http://www.hgi.rub.de/"><span style="font-size:10.0pt;mso-fareast-language:DE">www.hgi.rub.de</span></a><span style="font-size:10.0pt;color:#1F497D;mso-fareast-language:DE">
<o:p></o:p></span></p>
<p class="MsoNormal"><a href="http://www.casa.rub.de"><span style="font-size:10.0pt;mso-fareast-language:DE">www.casa.rub.de</span></a><span style="color:#1F497D;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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