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cmov

Conditional move CPU intrinsics which are guaranteed on major platforms (ARM32/ARM64, x86/x86_64, RISC-V) to execute in constant-time and not be rewritten as branches by the compiler. Provides wrappers for the CMOV family of instructions on x86/x86_64 and CSEL on AArch64, along with a portable "best-effort" pure Rust fallback implementation.

Current version0.5.4
LicenseApache-2.0 OR MIT
Total downloads36,261,950
Last updated2026-05-28
Repositoryhttps://github.com/RustCrypto/utils
Documentationhttps://docs.rs/cmov

Categories

CryptographyHardware supportNo standard library

Keywords

constant-timecryptointrinsics

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Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.