> scrypt has nice properties that bcrypt doesn't, and gets those properties by design; it turns out that in practice right now bcrypt has some nice properties too, though they seem accidental.

Can you elaborate on what you mean by "nice properties"?

> If using GPG means you can delegate away all your crypto design, use GPG.

Using which key types, ciphers, etc? The most common recommendation seems to be for 4096R keys and SHA2 hashes; the latter is consistent with the recommendations posted here, but the former seems to disagree with the comment to not use RSA for asymmetric crypto.