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	<title>Kryptoblog &#187; Dumheter</title>
	<atom:link href="http://www.strombergson.com/kryptoblog/tag/dumheter/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.strombergson.com/kryptoblog</link>
	<description>Kryptografi och IT-säkerhet på svenska</description>
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		<title>Busiga säkerhetsfrågor</title>
		<link>http://www.strombergson.com/kryptoblog/2010/05/14/busiga-sakerhetsfragor/</link>
		<comments>http://www.strombergson.com/kryptoblog/2010/05/14/busiga-sakerhetsfragor/#comments</comments>
		<pubDate>Fri, 14 May 2010 14:52:34 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[Internet]]></category>
		<category><![CDATA[humor]]></category>
		<category><![CDATA[säkerhetsfrågor]]></category>

		<guid isPermaLink="false">http://www.strombergson.com/kryptoblog/?p=1284</guid>
		<description><![CDATA[<p><a href="http://www.schneier.com/">Bruce Schneier</a> postade f&#246;r n&#229;gra dagar sedan <a href="http://www.schneier.com/blog/archives/2010/04/fun_with_secret.html">om att hitta p&#229; bus med s&#228;kerhetsfr&#229;gor</a> &#8211; den typ av fr&#229;gor man m&#229;ste ge ett svar p&#229; f&#246;r att sedan kunna anv&#228;ndas f&#246;r att autenticera sig om det skulle beh&#246;vas.&#8230;</p>


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			<content:encoded><![CDATA[	<p><a href="http://www.schneier.com/">Bruce Schneier</a> postade f&#246;r n&#229;gra dagar sedan <a href="http://www.schneier.com/blog/archives/2010/04/fun_with_secret.html">om att hitta p&#229; bus med s&#228;kerhetsfr&#229;gor</a> &#8211; den typ av fr&#229;gor man m&#229;ste ge ett svar p&#229; f&#246;r att sedan kunna anv&#228;ndas f&#246;r att autenticera sig om det skulle beh&#246;vas. N&#229;gra av Schneiers f&#246;rslag p&#229; fr&#229;gor och svar &#228;r: <blockquote>Q: Do you know why I think you&#8217;re so sexy?<br />
A: Probably because you&#8217;re totally in love with me.<br />
<br />
</p>

	<p>Q: Need any weed? Grass? Kind bud? Shrooms?<br />
A: No thanks hippie, I&#8217;d just like to do some banking.<br />
<br />
</p>

	<p>Q: The Penis shoots Seeds, and makes new Life to poison the Earth with a plague of men.<br />
A: Go forth, and kill. Zardoz has spoken.<br />
<br />
</p>

	<p>Q: What the hell is your fucking problem, sir?<br />
A: This is completely inappropriate and I&#8217;d like to speak to your supervisor.<br />
<br />
</p>

	<p>Q: I&#8217;ve been embezzling hundreds of thousands of dollars from my employer, and I don&#8217;t care who knows it.<br />
A: It&#8217;s a good thing they&#8217;re recording this call, because I&#8217;m going to have to report you.<br />
<br />
</p>

	<p>Q: Are you really who you say you are?<br />
A: No, I am a Russian identity thief.<br />
</blockquote></p>

	<p>Naturligtvis hakar en massa l&#228;sare p&#229; och kommentarerna till Schneiers postning inneh&#229;ller en del riktigt roliga &#8211; och en del riktigt bra fr&#229;gor. F&#246;r sj&#228;lva po&#228;ngen &#228;r att om dessa fr&#229;gor och svar skall vara bra s&#228;kerhetsm&#228;ssigt skall dom inte vara enkla att gissa.</p>

	<p>Naturligtvis var det mer &#228;n en som kom p&#229; att man skulle kunna anv&#228;nda dessa fr&#229;gor som ett s&#228;tt att f&#246;rs&#246;ka attackera en tj&#228;nst, detta d&#229; det man matar in antagligen skickas r&#228;tt in i en databas. En som redan t&#228;nkt i dessa banor &#228;r <a href="http://en.wikipedia.org/wiki/Xkcd">Randall Munroe</a>, skaparen av serien <a href="http://xkcd.com/"><span class="caps">XKCD</span></a>:<br />
<img src="http://imgs.xkcd.com/comics/exploits_of_a_mom.png" alt="XKCD - Litte Bobby Tables." /></p>

	<p>Men nu visar det sig att detta antagligen h&#228;nt i verkligheten. BoingBoing har en postning om att banken <a href="https://www.sactocu.org/index.html">The Sacramento Credit Union</a> har f&#246;ljande information om vad som g&#228;ller f&#246;r hemliga fraser: <blockquote>The answers to your Security Questions are case sensitive and cannot contain special characters like an apostrophe, or the words &#8220;insert,&#8221; &#8220;delete,&#8221; &#8220;drop,&#8221; &#8220;update,&#8221; &#8220;null,&#8221; or &#8220;select.&#8221;<br />
</blockquote></p>

	<p>Gissningsvis har dom l&#228;rt sig detta den h&#229;rda v&#228;gen&#8230;</p>




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		</item>
		<item>
		<title>SHA-3 (sången, inte hashfunktionen)</title>
		<link>http://www.strombergson.com/kryptoblog/2010/04/27/sha-3-sangen-inte-hashfunktionen/</link>
		<comments>http://www.strombergson.com/kryptoblog/2010/04/27/sha-3-sangen-inte-hashfunktionen/#comments</comments>
		<pubDate>Tue, 27 Apr 2010 05:33:37 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[Eurocrypt]]></category>

		<guid isPermaLink="false">http://www.strombergson.com/kryptoblog/?p=1226</guid>
		<description><![CDATA[	<p>Sprang p&#229; en film p&#229; Youtube som visar att allt inte &#228;r torrt och seri&#246;st p&#229; konferenser som Eurocrypt. H&#228;r &#228;r <em>The <span class="caps">SHA</span>-3 Song</em>:</p>

	<p></p>

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			<content:encoded><![CDATA[	<p>Sprang p&#229; en film p&#229; Youtube som visar att allt inte &#228;r torrt och seri&#246;st p&#229; konferenser som Eurocrypt. H&#228;r &#228;r <em>The <span class="caps">SHA</span>-3 Song</em>:</p>

	<p><object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/4WtF_O7XLMQ&#38;hl=en_US&#38;fs=1&#38;"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/4WtF_O7XLMQ&#38;hl=en_US&#38;fs=1&#38;" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object></p>

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		</item>
		<item>
		<title>Köp datorspel &#8211; sälj din själ</title>
		<link>http://www.strombergson.com/kryptoblog/2010/04/18/kop-datorspel-salj-din-sjal/</link>
		<comments>http://www.strombergson.com/kryptoblog/2010/04/18/kop-datorspel-salj-din-sjal/#comments</comments>
		<pubDate>Sun, 18 Apr 2010 19:03:29 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[Företag och affärer]]></category>
		<category><![CDATA[IT och integritet]]></category>
		<category><![CDATA[Politik]]></category>
		<category><![CDATA[Verktyg]]></category>
		<category><![CDATA[avtal]]></category>
		<category><![CDATA[juridik]]></category>

		<guid isPermaLink="false">http://www.strombergson.com/kryptoblog/?p=1217</guid>
		<description><![CDATA[<p><a href="http://www.foxnews.com/scitech/2010/04/15/online-shoppers-unknowingly-sold-souls/?test=latestnews">Fox News rapporterar att en brittisk &#229;terf&#246;rs&#228;ljare lagt beslag p&#229; 7500 kunders sj&#228;lar</a>.</p>

	<p><img src="http://www.foxnews.com/static/managed/img/Scitech/St%20Wolfgang%20and%20the%20Devil_monster_397x224.jpg" alt="S&#228;lj din sj&#228;l." /></p>

	<p>Enligt artikeln hade &#229;terf&#246;rs&#228;ljaren <a href="http://www.gamestation.co.uk/">GameStation</a> lagt in en klausul i sitt avtal om att kunderna vid k&#246;p av ett spel &#228;ven skrev bort sin&#8230;</p>


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			<content:encoded><![CDATA[	<p><a href="http://www.foxnews.com/scitech/2010/04/15/online-shoppers-unknowingly-sold-souls/?test=latestnews">Fox News rapporterar att en brittisk &#229;terf&#246;rs&#228;ljare lagt beslag p&#229; 7500 kunders sj&#228;lar</a>.</p>

	<p><img src="http://www.foxnews.com/static/managed/img/Scitech/St%20Wolfgang%20and%20the%20Devil_monster_397x224.jpg" alt="S&#228;lj din sj&#228;l." /></p>

	<p>Enligt artikeln hade &#229;terf&#246;rs&#228;ljaren <a href="http://www.gamestation.co.uk/">GameStation</a> lagt in en klausul i sitt avtal om att kunderna vid k&#246;p av ett spel &#228;ven skrev bort sin juridiska r&#228;tt till sin sj&#228;l. Stycket i avtalet l&#246;d:<blockquote><br />
&#8220;By placing an order via this Web site on the first day of the fourth month of the year 2010 Anno Domini, you agree to grant Us a non transferable option to claim, for now and for ever more, your immortal soul. Should We wish to exercise this option, you agree to surrender your immortal soul, and any claim you may have on it, within 5 (five) working days of receiving written notification from gamesation.co.uk or one of its duly authorised minions.&#8221;<br />
...<br />
&#8220;we reserve the right to serve such notice in 6 (six) foot high letters of fire, however we can accept no liability for any loss or damage caused by such an act. If you a) do not believe you have an immortal soul, b) have already given it to another party, or c) do not wish to grant Us such a license, please click the link below to nullify this sub-clause and proceed with your transaction.&#8221;<br />
</blockquote></p>

	<p>Avtaltstexten lades in som ett f&#246;rsta april-sk&#228;mt, men GameStation vill &#228;ven visa p&#229; en viktig po&#228;ng &#8211; <strong>folk l&#228;ser inte avtalen de godk&#228;nner</strong>. GameStation kommer att skicka ut brev till sina kunder d&#228;r sektionen i avtalet tas bort.</p>

	<p>Det stora bekymret med den h&#228;r typen av avtal &#228;r att det &#228;r s&#229; l&#229;nga och kr&#229;ngliga att det som vanlig d&#246;dlig, icke-jurist knappast klarar av att l&#228;sa och begripa implikationerna (&#228;ven om man nog fattat GameStations avtalstext). N&#228;r Apple uppdaterade avtalet f&#246;r iTunes f&#246;r iPhone fick jag upp ett dokument p&#229; telefonen p&#229; <strong>75(!) sidor</strong> att l&#228;sa igenom. I stort sett en DoS-attack p&#229; sina kunder att skicka ut en s&#229;dan text. &#196;ven Facebook, Google m.fl. har f&#229;tt kritik f&#246;r sina l&#229;nga avtal.</p>

	<p>I sammanhanget tycker jag att det arbete Alan Siegel gjort och som han presenterade p&#229; <span class="caps">TED </span>&#228;r helt r&#228;tt:<br />
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		</item>
		<item>
		<title>En riktigt besvärlig CAPTCHA</title>
		<link>http://www.strombergson.com/kryptoblog/2010/03/05/en-riktigt-besvarlig-captcha/</link>
		<comments>http://www.strombergson.com/kryptoblog/2010/03/05/en-riktigt-besvarlig-captcha/#comments</comments>
		<pubDate>Fri, 05 Mar 2010 13:38:02 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[CAPTCHA]]></category>

		<guid isPermaLink="false">http://www.strombergson.com/kryptoblog/?p=1124</guid>
		<description><![CDATA[<p>Det h&#228;r (ett sk&#228;mt) skulle vara en riktigt besv&#228;rlig <a href="http://en.wikipedia.org/wiki/CAPTCHA"><span class="caps">CAPTCHA</span></a>:<br />
<a href="http://fatpita.net/?i=3337"><img src="http://fatpita.net/images/image%20(3337).jpg" alt="Besv&#228;rlig CAPTCHA" /></a><br />
... Och den skulle v&#228;l antagligen bara fungera s&#229; l&#228;nge som ingen maskin klarat av <a href="http://en.wikipedia.org/wiki/Turing_test">Turingtestet</a>.</p>
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			<content:encoded><![CDATA[	<p>Det h&#228;r (ett sk&#228;mt) skulle vara en riktigt besv&#228;rlig <a href="http://en.wikipedia.org/wiki/CAPTCHA"><span class="caps">CAPTCHA</span></a>:<br />
<a href="http://fatpita.net/?i=3337"><img src="http://fatpita.net/images/image%20(3337).jpg" alt="Besv&#228;rlig CAPTCHA" /></a><br />
... Och den skulle v&#228;l antagligen bara fungera s&#229; l&#228;nge som ingen maskin klarat av <a href="http://en.wikipedia.org/wiki/Turing_test">Turingtestet</a>.</p>
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		<item>
		<title>Ännu ett finfint phisingförsök</title>
		<link>http://www.strombergson.com/kryptoblog/2009/02/06/annu-ett-finfint-phisingforsok/</link>
		<comments>http://www.strombergson.com/kryptoblog/2009/02/06/annu-ett-finfint-phisingforsok/#comments</comments>
		<pubDate>Fri, 06 Feb 2009 12:36:10 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[IT-brott]]></category>
		<category><![CDATA[it-bro]]></category>

		<guid isPermaLink="false">http://strombergson.com/kryptoblog/?p=624</guid>
		<description><![CDATA[<p>Fick ett mail med ett finfint phisingf&#246;rs&#246;k f&#246;r ett par dagar sedan:</p>

	<p><strong>Titel: Upgrade Your ltu.se Email</strong><br />
<blockquote><br />
The Helpdesk Program that periodically checks the size of your e-mail space is sending you this information. The program runs weekly</blockquote>&#8230;</p>


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			<content:encoded><![CDATA[	<p>Fick ett mail med ett finfint phisingf&#246;rs&#246;k f&#246;r ett par dagar sedan:</p>

	<p><strong>Titel: Upgrade Your ltu.se Email</strong><br />
<blockquote><br />
The Helpdesk Program that periodically checks the size of your e-mail space is sending you this information. The program runs weekly to ensure your inbox does not grow too large, thus preventing you from receiving or sending new e-mail. As this message is being sent, you have 18 megabytes (MB) or more stored in your inbox. To help us reset your space in our database, please enter your current user name</p>

	<p>(_________________)  password (_______________)</p>

	<p>You will receive a periodic alert if your inbox size is between 18 and 20 MB. If your inbox size is 20 MB, a program on your Webmail will move your oldest e-mails to a folder in your home directory to ensure you can continue receiving incoming e-mail. You will be notified this has taken place.</p>

	<p>If your inbox grows to 25 MB, you will be unable to receive new e-mail and it will be returned to sender. All this is programmed to ensure your e-mail continues to function well.</p>

	<p>Thank you for your cooperation.<br />
Help Desk.<br />
Important: Email Account Verification Update ! ! !<br />
</blockquote></p>

	<p>Visst &#228;r det fint med v&#228;l markerade st&#228;llen att skriva i identitet och l&#246;senord. Men mailquota? P&#229; 25 MBye? 2009? J&#246;sses, var fick dom det konceptet ifr&#229;n&#8230;.</p>

	<p>Skall man vara &#228;rlig och lite allvarlig var detta inte det s&#228;msta phisingf&#246;rs&#246;ket jag sett (<a href="http://strombergson.com/kryptoblog/2008/12/05/patetiskt-phisingforsok-mot-ltu/">den h&#228;r, ocks&#229; riktad mot <span class="caps">LTU</span>-anv&#228;ndare &#228;r mycket s&#228;mre.</a>). Spr&#229;ket &#228;r bra och <a href="http://www.ltu.se/"><span class="caps">LTU</span></a> har m&#229;nga utl&#228;ndska anst&#228;llda och studenter s&#229; ett mail fr&#229;n Help Desk p&#229; engelska &#228;r rimligt.</p>

	<p>Men ett phisingmail m&#229;ste inneh&#229;lla n&#229;gon slags problem som mailet f&#246;rs&#246;ker uppm&#228;rksamma offret p&#229;. Och &#228;ven om det handlar om webbmail tillhandah&#229;llet av ett universitet k&#228;nns mailquota, speciellt i den storleken v&#228;ldigt, v&#228;ldigt gammaldags och inte speciellt trov&#228;rdigt.</p>
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		</item>
		<item>
		<title>Säker kommunikation från förr</title>
		<link>http://www.strombergson.com/kryptoblog/2008/11/29/saker-kommunikation-fran-forr/</link>
		<comments>http://www.strombergson.com/kryptoblog/2008/11/29/saker-kommunikation-fran-forr/#comments</comments>
		<pubDate>Sat, 29 Nov 2008 15:16:16 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[Hårdvara]]></category>
		<category><![CDATA[Krypto]]></category>

		<guid isPermaLink="false">http://strombergson.com/kryptoblog/?p=594</guid>
		<description><![CDATA[<p>P&#229; <a href="http://boingboing.net/">Boingboing</a> d&#246;k det upp en l&#228;nk till en sida med en helt <a href="http://blog.modernmechanix.com/2008/11/24/wiretap-proof-telephone/">fantastisk bild p&#229; en utrustning f&#246;r att fixa s&#228;ker r&#246;stkommunikation</a> fr&#229;n f&#246;rr:</p>

	<p><img src="http://blog.modernmechanix.com/mags/qf/c/PopularScience/1-1966/lrg_encrypted_phone.jpg" alt="Kryptotelefon fr&#229;n f&#246;rr" /></p>

	<p>Man f&#246;rst&#229;r att hon ser s&#229; glad ut n&#228;r man f&#229;r&#8230;</p>


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			<content:encoded><![CDATA[	<p>P&#229; <a href="http://boingboing.net/">Boingboing</a> d&#246;k det upp en l&#228;nk till en sida med en helt <a href="http://blog.modernmechanix.com/2008/11/24/wiretap-proof-telephone/">fantastisk bild p&#229; en utrustning f&#246;r att fixa s&#228;ker r&#246;stkommunikation</a> fr&#229;n f&#246;rr:</p>

	<p><img src="http://blog.modernmechanix.com/mags/qf/c/PopularScience/1-1966/lrg_encrypted_phone.jpg" alt="Kryptotelefon fr&#229;n f&#246;rr" /></p>

	<p>Man f&#246;rst&#229;r att hon ser s&#229; glad ut n&#228;r man f&#229;r anv&#228;nda en s&#229;n fr&#228;ck pryl. Och bara 275 <span class="caps">USD</span>! Vad &#228;r v&#228;l <a href="http://www.sectra.com/security/security_solutions/voice_encryption/tigerxs.html">Sectras Tigertelefoner</a> mot detta?.</p>

	<p>Maskinen verkar vara portabel d&#229; den har egen matning. Uppenbarligen anv&#228;nds n&#229;gon slags symmetrisk skramlingsteknik d&#229; maskinen beh&#246;ver paras ihop med en annan maskin f&#246;r att skapa en s&#228;ker f&#246;rbindelse. Att d&#246;ma av annonsen &#228;r det Delcon Division, en gammal del av HP som s&#228;tter koden/nyckeln i maskinen. Notera att dom p&#229;pekar att koden &#228;r inl&#229;st i deras valv.</p>

	<p><a href="http://www.google.com/search?hl=sv&#38;q=Delcon+Division+HP&#38;btnG=S%C3%B6k&#38;lr=">S&#246;kte lite p&#229; Delcon Division</a> och fick bland annat upp l&#228;nkar till gamla nummer av <a href="http://www.hparchive.com/Journals/Low-Resolution/HPJ-1967-05-Low-Resolution.pdf"><span class="caps">HP </span>Journal fr&#229;n 1967 med artiklar om ultraljudsutrustning</a> skrivet av folk fr&#229;n Delcon Division.</p>


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		<item>
		<title>Avslöjande bilder på flygplatser i USA</title>
		<link>http://www.strombergson.com/kryptoblog/2008/10/27/avslojande-bilder-pa-flygplatser-i-usa/</link>
		<comments>http://www.strombergson.com/kryptoblog/2008/10/27/avslojande-bilder-pa-flygplatser-i-usa/#comments</comments>
		<pubDate>Mon, 27 Oct 2008 13:46:43 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[IT och integritet]]></category>
		<category><![CDATA[Politik]]></category>

		<guid isPermaLink="false">http://strombergson.com/kryptoblog/?p=578</guid>
		<description><![CDATA[<p>P&#229; Boingboing finns en tr&#229;d om <a href="http://www.boingboing.net/2008/10/24/what-the-tsas-new-bo.html#comments">det nya r&#246;ntgen/genomlysnings/scannersystem som <span class="caps">TSA</span> i <span class="caps">USA</span> h&#229;ller p&#229; att skaffa</a> f&#246;r att kunna se vad flygpassagerare g&#246;mmer under kl&#228;derna. Tr&#229;den p&#229; Boingboing pekar p&#229; en artikel hos Spiegel Online&#8230;</p>


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			<content:encoded><![CDATA[	<p>P&#229; Boingboing finns en tr&#229;d om <a href="http://www.boingboing.net/2008/10/24/what-the-tsas-new-bo.html#comments">det nya r&#246;ntgen/genomlysnings/scannersystem som <span class="caps">TSA</span> i <span class="caps">USA</span> h&#229;ller p&#229; att skaffa</a> f&#246;r att kunna se vad flygpassagerare g&#246;mmer under kl&#228;derna. Tr&#229;den p&#229; Boingboing pekar p&#229; en artikel hos Spiegel Online med lite avsl&#246;jande bilder.</p>

	<p><img src="http://www.spiegel.de/img/0,1020,1220989,00.jpg" alt="TSA-snubbe kollar p&#229; pr0n." /><br />
S&#229; h&#228;r ser det ut n&#228;r TSAs personal tittar p&#229; pr0n.</p>

	<p><img src="http://www.spiegel.de/img/0,1020,1220976,00.jpg" alt="Passagerare i TSAs maskin." /><br />
En stackars passagerare inst&#228;ngd i TSAs maskin.</p>

	<p><img src="http://www.spiegel.de/img/0,1020,1220985,00.jpg" alt="Passagerareren - nu p&#229; bild." /><br />
Samma passagerare s&#229; som TSAs anst&#228;llda ser henne.</p>

	<p><img src="http://www.spiegel.de/img/0,1020,1335251,00.jpg" alt="En annan passagerar som fastnat hos TSA." /><br />
En annan passagerare som fastnat i TSAs maskin.</p>

	<p><img src="http://www.spiegel.de/img/0,1020,1335269,00.jpg" alt="&#196;nnu en vacker bild." /><br />
Ytterligare en potentiell skurk som fastnat.</p>

	<p>Allvarligt talat, kan man komma mycket n&#228;rmare ett flagrant exempel p&#229; intr&#229;ng i den personliga integriteten?</p>

	<p>&#196;r det detta vi m&#229;ste st&#229; ut med f&#246;r att flyga? Och om du tror att detta egentligen l&#246;ser ett s&#228;kerhetsproblem, l&#228;s <a href="http://www.schneier.com/blog/archives/2008/10/kip_hawley_resp.html">Bruce Schneiers postningar om s&#228;kerhetskontroller p&#229; flygplatser och verklig s&#228;kerhet</a>.</p>

	<p>Risken att den h&#228;r tekniken verkligen stoppar en terrorist &#228;r extremt liten &#8211; det kommer inte att ske. Risken att bilder p&#229; folk tagna i maskinen l&#228;cker ut och p&#229; olika s&#228;tt st&#228;ller till med obehag, anv&#228;nds f&#246;r utpressning och andra, mindre spektakul&#228;ra brott d&#228;remot &#228;r antagligen r&#228;tt stor.</p>
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		<item>
		<title>XKCD om kopieringsskydd</title>
		<link>http://www.strombergson.com/kryptoblog/2008/10/14/xkcd-om-kopieringsskydd/</link>
		<comments>http://www.strombergson.com/kryptoblog/2008/10/14/xkcd-om-kopieringsskydd/#comments</comments>
		<pubDate>Tue, 14 Oct 2008 06:56:17 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[IT-brott]]></category>
		<category><![CDATA[Politik]]></category>

		<guid isPermaLink="false">http://strombergson.com/kryptoblog/?p=570</guid>
		<description><![CDATA[<p><a href="http://xkcd.com/"><span class="caps">XKCD</span></a>, en ypperligt n&#246;rdig, filosofisk och rolig n&#228;tserie har en bild p&#229; varf&#246;r kopieringsskydd (DRM) leder till &#246;kad piratkopiering:</p>

	<p><img src="http://imgs.xkcd.com/comics/steal_this_comic.png" alt="XKCD om kopieringsskydd." /></p>

	<p>Kopieringsskydd flyttar &#246;ver r&#228;tten till (legal) anv&#228;ndning till mediaf&#246;retagens v&#228;l och ve, och i kombination med lagstiftning som f&#246;rs&#246;ker&#8230;</p>


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			<content:encoded><![CDATA[	<p><a href="http://xkcd.com/"><span class="caps">XKCD</span></a>, en ypperligt n&#246;rdig, filosofisk och rolig n&#228;tserie har en bild p&#229; varf&#246;r kopieringsskydd (DRM) leder till &#246;kad piratkopiering:</p>

	<p><img src="http://imgs.xkcd.com/comics/steal_this_comic.png" alt="XKCD om kopieringsskydd." /></p>

	<p>Kopieringsskydd flyttar &#246;ver r&#228;tten till (legal) anv&#228;ndning till mediaf&#246;retagens v&#228;l och ve, och i kombination med lagstiftning som f&#246;rs&#246;ker skydda <span class="caps">DRM</span>-systemen blir det sv&#229;rt f&#246;r konsumenter att anv&#228;nda legalt anf&#246;rskaffat media.</p>

	<p>Ett exempel p&#229; hur absurt det kan bli i verkligheten &#228;r det <span class="caps">DRM</span>-system varahuskedjan Wal*Mart lanserade i <span class="caps">USA</span> och d&#228;r kundernas mediaspelare beh&#246;vde kontakta en server hos Wal*Mart f&#246;r att mediat skulle g&#229; att spela upp. <a href="http://boingboing.net/2008/09/26/walmart-shutting-dow.html">N&#228;r Wal*Mart, best&#228;mde sig f&#246;r att spara pengar genom att st&#228;nga av servern innebar detta att kundernas ink&#246;pta <span class="caps">DRM</span>-skyddade media skulle bli oanv&#228;ndbar</a>. Efter kritik har nu Wal*Mart &#228;ndrat sig och <a href="http://www.boingboing.net/2008/10/10/walmart-now-says-the.html">lovar att h&#229;lla liv i servern f&#246;r evigt</a>. Eller i alla fall en stund till&#8230;</p>
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		<title>Danske Banks hemska webbapplikation</title>
		<link>http://www.strombergson.com/kryptoblog/2008/09/12/danske-banks-hemska-webbapplikation/</link>
		<comments>http://www.strombergson.com/kryptoblog/2008/09/12/danske-banks-hemska-webbapplikation/#comments</comments>
		<pubDate>Fri, 12 Sep 2008 17:18:23 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[Elak kod]]></category>

		<guid isPermaLink="false">http://strombergson.com/kryptoblog/?p=558</guid>
		<description><![CDATA[<p>Kollegan Kalle tipsade f&#246;r ett tag sedan om en tr&#229;d p&#229; <a href="http://thedailywtf.com/">DailyWTF</a> om <a href="http://thedailywtf.com/Articles/Sampo-UhOh.aspx">den hemska webbapplikation som Danske Banke introducerade i Finland efter k&#246;pet av Sampo</a>. V&#228;rt att l&#228;sa om man vill se ett IT-projekt som uppenbarligen&#8230;</p>


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			<content:encoded><![CDATA[	<p>Kollegan Kalle tipsade f&#246;r ett tag sedan om en tr&#229;d p&#229; <a href="http://thedailywtf.com/">DailyWTF</a> om <a href="http://thedailywtf.com/Articles/Sampo-UhOh.aspx">den hemska webbapplikation som Danske Banke introducerade i Finland efter k&#246;pet av Sampo</a>. V&#228;rt att l&#228;sa om man vill se ett IT-projekt som uppenbarligen gick snett fr&#229;n b&#246;rjan.</p>

	<p><img src="http://img.thedailywtf.com/images/200808/sampo.png" alt="SampoBank" /></p>

	<p>Det finns &#228;ven en Wiki som samlar information om alla hemskheter i <a href="http://kks.cabal.fi/SampoApplet">SampoApplet</a>. Bland detaljerna man kan hitta d&#228;r finns en lista p&#229; vad SampoApplet f&#246;rs&#246;ker samla information om i <span class="caps">GNU</span>/Linux:</p>

	<p><blockquote><br />
/proc/asound/cards<br />
/proc/cpuinfo<br />
/proc/ide0/hda<br />
/proc/ide1/hdc<br />
/proc/ide2/hdb<br />
/proc/ide3/hdd<br />
/proc/ide/hda<br />
/proc/ide/hdb<br />
/proc/ide/hdc<br />
/proc/ide/hdd<br />
/proc/meminfo<br />
/proc/partitions<br />
/proc/pci<br />
/proc/sys/kernel/hostname<br />
/proc/version<br />
</blockquote></p>

	<p>Vad skall banken med information om <span class="caps">CPU</span> och h&#229;rddisk-partitioner till? Motsvarande saker g&#228;ller i Windows och p&#229; Mac.</p>

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		</item>
		<item>
		<title>Märklig kod för slumpmässig header</title>
		<link>http://www.strombergson.com/kryptoblog/2008/06/03/marklig-kod-for-slumpmassig-header/</link>
		<comments>http://www.strombergson.com/kryptoblog/2008/06/03/marklig-kod-for-slumpmassig-header/#comments</comments>
		<pubDate>Tue, 03 Jun 2008 13:26:25 +0000</pubDate>
		<dc:creator>Joachim Strömbergson</dc:creator>
				<category><![CDATA[Dumheter]]></category>
		<category><![CDATA[Elak kod]]></category>

		<guid isPermaLink="false">http://strombergson.com/kryptoblog/?p=510</guid>
		<description><![CDATA[<p>P&#229; <a href="http://thedailywtf.com/">DailyWTF </a>d&#246;k det upp <a href="http://thedailywtf.com/Articles/More-Randomer.aspx">en postning om en m&#228;rklig kod som f&#246;rs&#246;ker &#229;stadkomma slumpm&#228;ssiga headrar</a>. Koden i fr&#229;ga ser ut s&#229; h&#228;r:<br />
<code><br />
Dim rNumber As Integer = 0<br />
rNumber = RandomNumber(13, 1)<br /></code>&#8230;</p>


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			<content:encoded><![CDATA[	<p>P&#229; <a href="http://thedailywtf.com/">DailyWTF </a>d&#246;k det upp <a href="http://thedailywtf.com/Articles/More-Randomer.aspx">en postning om en m&#228;rklig kod som f&#246;rs&#246;ker &#229;stadkomma slumpm&#228;ssiga headrar</a>. Koden i fr&#229;ga ser ut s&#229; h&#228;r:<br />
<code><br />
Dim rNumber As Integer = 0<br />
rNumber = RandomNumber(13, 1)<br />
Select Case rNumber<br />
Case 0</p>
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case 1
    Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
Case 2
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case 3
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case 4
    Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
Case 5
    Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
Case 6
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case 7
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case 8
    Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
Case 9
    Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
Case 10
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case 11
    Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
Case 12
    Me.hl_logo.ImageUrl = "~/sysimages/header.jpg"<br />
Case Else<br />
Me.hl_logo.ImageUrl = "~/sysimages/header2.jpg"<br />
End Select<br />
</code>

	<p>(<em>Que pasa? <span class="caps">WTF</span>?! Eller p&#229; Dalsl&#228;ndska: &#214;&#246;&#246;&#246;&#246;&#246;&#246;...</em>)</p>

	<p>Personen som postade koden hade pratat med personen som skrivit koden, och motiveringen till koden var:<br />
<blockquote><br />
It makes it more random because you get more repeats when you select from two random numbers than you do with thirteen.<br />
</blockquote></p>

	<p>N&#228;ra skjuter ingen hare&#8230;</p>
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