Matthew Green
matthewdgreen.bsky.social@bsky.brid.gy
I teach cryptography at Johns Hopkins. <a href="https://blog.cryptographyengineering.com">blog.cryptographyengineering.com</a><br><br>🌉 <a href="https://fed.brid.gy/bsky/matthewdgreen.bsky.social">bridged</a> from 🦋 <a href="https://bsky.app/profile/matthewdgreen.bsky.social">matthewdgreen.bsky.social</a>, follow <a class="h-card u-author mention" rel="me" href="https://bsky.brid.gy/bsky.brid.gy" title="@bsky.brid.gy@bsky.brid.gy">@bsky.brid.gy</a> to interact
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I wrote up a short blog post giving my thoughts on the new Anthropic cryptanalysis results against HAWK and AES. blog.cryptographyengineering.com/2026/07/29/s... Some notes about Anthropic’s n...
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What kills me about this story is that Meta’s public CSAM scanning clearly does not work, if they’re delivering ads for CSAM content. But this failure will be used as evidence that we need to add scanning for private and encrypted messages. www.bbc.com/news/article... India: Instagram running ads p...
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One of my beefs with (research) cryptography is that people are overindexing on quantum threats. We finally got crypto to the point where we can do things efficiently, and now we need to rip it all up and switch to lattice schemes at 11,000x the cost.