  We investigate the persistent currents, spin-polarized local density of
states, and spectral functions of topological superconductors constructed by
placing ferromagnetic impurities on top of an s-wave superconductor with Rashba
spin-orbit interaction. We solve self-consistently for the superconducting
order parameter and investigate both two-dimensional blocks and one-dimensional
wires of ferromagnetic impurities, with the magnetic moments pointing both
perpendicular and parallel to the surface. We find that the topologically
protected edge states of ferromagnetic blocks give rise to spin-polarized edge
currents, but that the total persistent current flows in opposite direction to
what is expected from the dispersion relation of the edge states. We also show
that the Majorana fermions at the end points of one-dimensional wires are
spin-polarized, which can be directly related to the spin-polarization of the
edge currents of two-dimensional blocks. Connections are also made to the
physics of the Yu-Shiba-Rusinov states for zero-dimensional impurities.
