Cargo Features

[dependencies]
blake2 = { version = "0.11.0-pre.3", default-features = false, features = ["std", "zeroize", "reset", "size_opt"] }
default = std

The std feature is set by default whenever blake2 is added without default-features = false somewhere in the dependency tree.

std default

Enables std of digest

zeroize

Enables zeroize of digest

reset

Enable reset functionality

size_opt

Optimize for code size. Removes some inline(always)