fn select_pk_for_encryption(
key: &SignedPublicKey,
) -> Option<SignedPublicKeyOrSubkey<'_>>
Expand description
Select public key or subkey to use for encryption.
First, tries to use subkeys. If none of the subkeys are suitable
for encryption, tries to use primary key. Returns None
if the public
key cannot be used for encryption.
TODO: take key flags and expiration dates into account