Cargo Features

[dependencies]
ccm = { version = "0.6.0-rc.3", default-features = false, features = ["alloc", "arrayvec", "bytes", "getrandom", "rand_core"] }
default = alloc, getrandom

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

alloc default

Enables alloc of aead

arrayvec

Enables arrayvec of aead

bytes

Enables bytes of aead

getrandom default

Enables getrandom of aead

rand_core

Enables rand_core of aead

CCM has 6 features without comments.