diem-crypto is used at run time in 5 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps) diem-crypto version
4 diem-types ^0.0.3
1 diem-json-rpc-types ^0.0.3
1 diem-client ^0.0.3
diem-sdk ^0.0.3