wg genkey

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 umask 077
 wg genkey > privatekey
 wg pubkey < privatekey > publickey.pub

wg pubkey
Curve25519: ssh-keygen -t ed25519
.pub

WireGuard’s wg genkey and wg pubkey consistently produce 32-byte keys, which, when [[Base64\\-encoded, always result in a 44-character string with == padding due to the fixed length.

See also

• wg, wg-quick [ up | down | strip ], wg genkey, wg show, /etc/wireguard/