private static byte[] AesSivMac(byte[] macKey, byte[] header, byte[] data)
{
var cmzerod = Double(CMac.GetHashTag(macKey, new byte[16]));
var h1Mac = CMac.GetHashTag(macKey, header);
var m1 = XorArray(h1Mac, cmzerod);
var t = XorEnd(data, m1);
var iv = CMac.GetHashTag(macKey, t);
return(iv);
}
private static byte[] AesSp800108(byte[] data, byte[] macKey)
{
byte[] key1 = CMac.GetHashTag(macKey, data.Concat <byte>(new byte[] { 0x01, 0x01, 0x00 }).ToArray());
byte[] key2 = CMac.GetHashTag(macKey, data.Concat <byte>(new byte[] { 0x02, 0x01, 0x00 }).ToArray());
return(key1.Concat(key2).ToArray());
}