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The curve25519-dalek crate before 4.1.3 for Rust has a constant-time operation on elliptic curve scalars that is removed by LLVM.
Reserved 2025-07-27 | Published 2025-07-27 | Updated 2025-07-27 | Assigner mitreCWE-733 Compiler Optimization Removal or Modification of Security-critical Code
rustsec.org/advisories/RUSTSEC-2024-0344.html
github.com/dalek-cryptography/curve25519-dalek/pull/659
crates.io/crates/curve25519-dalek
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