(and ditto for SEED) This is modeled after similar commented-out code in sober128_test(), but slightly fancier.
out of lt_tree.tar.bz2 checksums of lt_tree.tar.bz2 MD5: 3c36e1ca95518f4d00a76dc9b7049952 SHA1: 4f31d1aa8cd1b9d7452b777cd52f8280dc7ebcbc