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Introducing constant-time support for LLVM to protect cryptographic code

5 posts last month
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Trail of Bits has developed constant-time coding support for LLVM, providing developers with compiler-level guarantees that their cryptographic implementations remain secure against branching-related timing attacks. These changes are being reviewed and will be added in an upcoming release, LLVM 22. This work introduces the __builtin_ct_select family of intrinsics and…

Year 3 at the Smallholding

Kev Quirk
12 posts last month
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We're been living on our smallholding in Wales for 3 years now. Here's how things have been going this year.

I’m a little late with my update this year because I’ve had a few things going on at home. This has accidentally become an annual tradition at this point, so…

Knowing when to leave

Werd I/O
16 posts last month
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I wrote this in my blog drafts well over a decade ago (exact date unclear). I thought I'd publish it as-is as an aside. I'm sure it was going to be an excellent full post, but clearly this is just the intro. I still agree though: knowing when to go…

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