Cargo Features

pgp has no features set by default.

[dependencies]
pgp = { version = "0.12.0-alpha.2", features = ["nightly", "profile", "asm", "wasm"] }
nightly

Enables nightly of num-bigint-dig, rand, and rsa

rand:

some additions requiring nightly Rust

profile = gperftools
asm

Enables asm of md-5, sha1, and sha2

wasm = getrandom

Enables wasmbind of chrono and js of getrandom

getrandom:

Feature to enable JavaScript bindings on wasm*-unknown-unknown

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

getrandom wasm?
gperftools profile?