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#icreverseengineering

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DJ🌞:donor:<p>Hello and welcome to this week's installment of <a href="https://infosec.exchange/tags/nakeddiefriday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nakeddiefriday</span></a> !</p><p>The guest of today is the TIBPAL16R4 by TI, a programmable array logic chip made with bipolar logic. The die has 2 metal layers, its maskwork produced in 1985. A short thread follows.</p><p>More info and hi-res pano at: <a href="https://siliconpr0n.org/archive/doku.php?id=infosecdj:ti:tibpal16r4" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">siliconpr0n.org/archive/doku.p</span><span class="invisible">hp?id=infosecdj:ti:tibpal16r4</span></a></p><p><a href="https://infosec.exchange/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://infosec.exchange/tags/reverseengineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>reverseengineering</span></a> <a href="https://infosec.exchange/tags/microscopy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>microscopy</span></a> <a href="https://infosec.exchange/tags/icreverseengineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>icreverseengineering</span></a></p>
Phil M0OFX<p>Great talk by Aedan Cullen at <a href="https://digipres.club/tags/38c3" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>38c3</span></a> on breaking security on the <a href="https://digipres.club/tags/RP2350" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RP2350</span></a> by glitching the OTP VDD.</p><p><a href="https://streaming.media.ccc.de/38c3/relive/625" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">streaming.media.ccc.de/38c3/re</span><span class="invisible">live/625</span></a></p><p>I expect the bus between the state machine and OTP is like Wishbone or M68K and has a request and an acknowledge, and the data is latched on the ACK. No ACK? Guard word stays in the latch.</p><p><a href="https://digipres.club/tags/ICRE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ICRE</span></a> <a href="https://digipres.club/tags/ICReverseEngineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ICReverseEngineering</span></a> <a href="https://digipres.club/tags/FaultInjection" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FaultInjection</span></a></p>
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