CommonCrypto is used at run time in 90 crates (of which 90 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 2 crates (of which 2 optionally, ). It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps) CommonCrypto version
15K 30 crypto-hash ^0.2