硬件没有真正的黑箱:一颗ASIC被逆向拆解后,我还安心吗
原创
你见过有人把芯片拆到能看清每一根金属走线吗?最近刷到一篇博客,作者直接把一颗定制ASIC拆了个底朝天——表面扫描、层析成像、逻辑推断,每一步都摊开来给你看。这种活儿比写代码还枯燥,比考古还烧脑,但恰恰是这种枯燥,撕开了一个我们默认接受的事实:所谓硬件黑箱,从来没那么密不透风。ASIC的设计复杂度确实碾压通用芯片,可当逆向者拿着显微镜死磕每一层电路时,"专有技术"这面盾其实没想象中那么厚。我有点不安。
原文:Reverse Engineering an ASIC · 来源:Hacker News
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