byte[] output = new byte[12];
        byte[] dk = deriveKeyAES(baseKey, cst); // Checksum key
        try {
            Mac m = Mac.getInstance("HmacSHA1");
            m.init(new SecretKeySpec(dk, HMAC_KEY));
            System.arraycopy(m.doFinal(input), 0, output, 0, 12);
            return output;
        } finally {
            Arrays.fill(dk, 0, dk.length, (byte) 0);
        }
    }

    /**

discourse.team
discover
dish
diskstation.eu
diskstation.me
diskstation.org
diskussionsbereich.de
ditchyourip.com
divtasvuodna.no
divttasvuotna.no
dix.asia
diy
dj
dk
dk.eu.org
dkonto.pl
dl.biz.ng
dlugoleka.pl
dm
dn.ua
dnepropetrovsk.ua
dni.us
dnipropetrovsk.ua
dnp
dns-cloud.net
dns-dynamic.net
dnsabr.com
dnsalias.com

          "1.fm",
          "a.b.c.1.2.3.ca.us",
          "a\u7f51\u7edcA.\u7f51\u7edc.Cn", // "a网络A.网络.Cn"
          "cnn.ca",
          "cool.co.uk",
          "cool.de",
          "cool.dk",
          "cool.es",
          "cool.nl",
          "cool.se",
          "cool\uFF61fr", // Alternate dot character
          "foo.bar.google.com",
          "google.Co.uK",
          "google.com",

			}
		}
	}
}

var bmbuf []byte

func valName(x int) string {
	if s := x >> 20; s<<20 == x {
		return fmt.Sprintf("%dM", s)
	}
	if s := x >> 10; s<<10 == x {
		return fmt.Sprintf("%dK", s)
	}
	return fmt.Sprint(x)
}

func benchBytes(b *testing.B, sizes []int, f func(b *testing.B, n int)) {
	for _, n := range sizes {
		if isRaceBuilder && n > 4<<10 {
			continue
		}

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