Cargo Features

[dependencies]
milenage = { version = "0.1.4", default-features = false, features = ["openssl", "aes"] }
default = aes

The aes feature is set by default whenever milenage is added without default-features = false somewhere in the dependency tree.

openssl

Enables openssl

aes default

Enables aes ^0.6.0, aes-soft ^0.6.4, and block-modes ^0.7.0

Milenage has 3 features without comments.