haxe.crypto.Sha256.encode("") == "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
haxe.crypto.Sha256.encode("The quick brown fox jumps over the lazy dog") == "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592";