mls-rs-identity-x509 is used at run time in 5 crates (of which 4 optionally).

Depender (with downloads and own rev deps) mls-rs-identity-x509 version
140 mls-rs-crypto-awslc ^0.12.0
410 mls-rs-ffi optional ^0.12.0
140 2 mls-rs optional ^0.12.0
3 mls-rs-crypto-openssl optional ^0.12.0
mls-rs-crypto-rustcrypto optional ^0.12.0