The ebuild has LICENSE="as-is" and at the same time is mirror restricted, which is a contradiction. HOMEPAGE and SRC_URI don't work any more, so I couldn't check if there's any license information in the tarball.
<ulm> !herd ppc <willikins> ulm: (ppc) ago, blueness, halcy0n, jer, josejx, lu_zero, nixnut, ranger, vincent, volkmar, xarthisius, xmw <ulm> ^^ about bug 441930, what is going to happen with that package? <ulm> there's no more distfile, so I'd say it's effectively dead <ago> ulm: go ahead with the mask/removal
+# Ulrich Müller <ulm@gentoo.org> (24 Apr 2013) +# Masked for removal in 30 days. HOMEPAGE and SRC_URI dead, +# mirror restricted, distfile cannot be located. Bug #441930. +sys-apps/kuroevtd +
Removed.