Cargo Features

[dependencies]
trezor-crypto-lib = { version = "0.1.1", default-features = false, features = ["std", "u32_backend", "build_donna"] }
default = build_donna, std, u32_backend

These default features are set whenever trezor-crypto-lib is added without default-features = false somewhere in the dependency tree.

std default
u32_backend default

Enables u32_backend of curve25519-dalek ^3.2.1, ed25519-dalek ^1.0.1, and x25519-dalek ^1.2.0

build_donna default

Affects trezor-crypto-lib::ffi, trezor-crypto-lib::test, test::DONNA