Non-Determinism Is the Only Fix for JS/Wasm Side-Channels, Argues Dev
jedisct1 · x · 2026-09-12
Following the disclosure that V8's JIT undermines constant-time JavaScript crypto, developer jedisc argues that since JIT compilers can compile key-dependent code at will, the only viable mitigation for side-channel attacks in JavaScript and WebAssembly is making execution non-deterministic.
Related event: V8 optimizations break constant-time crypto in JavaScript(2 posts)→
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