public static void Test(string key, string msg, string mac)
{
var a = new HmacSha256();
using (var k = Key.Import(a, key.DecodeHex(), KeyBlobFormat.RawSymmetricKey))
{
var m = msg.DecodeHex();
var expected = mac.DecodeHex();
var actual = a.Sign(k, m, expected.Length);
Assert.Equal(expected, actual);
Assert.True(a.TryVerify(k, m, expected));
}
}