pub fn t_encrypted_hub_pseudonym(
pp: Triple,
pseud_factor_secret: impl DigestibleSecret,
master_enc_key_part_inv: &Scalar,
hub_id: Id,
) -> TripleExpand description
Turns the given polymorphic pseudonym pp (which should be Id_U elgamal encrypted for x)
into an encrypted hub pseudonym (which should be g_H Id_U elgamal encrypted for x_PHC).