for i, b := range a {
		if i > 0 {
			buf = append(buf, ':')
		}
		buf = append(buf, hexDigit[b>>4])
		buf = append(buf, hexDigit[b&0xF])
	}
	return string(buf)
}

// ParseMAC parses s as an IEEE 802 MAC-48, EUI-48, EUI-64, or a 20-octet
// IP over InfiniBand link-layer address using one of the following formats:
//
//	00:00:5e:00:53:01
//	02:00:5e:10:00:00:00:01
//	00:00:00:00:fe:80:00:00:00:00:00:00:02:00:5e:10:00:00:00:01

Laura Kassovic <******@****.***> 1701107622 -0800

mac-tar-cache-exp.png...

  }

  private static boolean supportsClone(Mac mac) {
    try {
      Object unused = mac.clone();
      return true;
    } catch (CloneNotSupportedException e) {
      return false;
    }
  }

  private static Mac getMac(String algorithmName, Key key) {
    try {
      Mac mac = Mac.getInstance(algorithmName);
      mac.init(key);
      return mac;
    } catch (NoSuchAlgorithmException e) {

      Providers.setProviderList(providers);
    }
  }

  public void testMultipleUpdates() throws Exception {
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(SHA1_KEY);
    mac.update("hello".getBytes(UTF_8));
    mac.update("world".getBytes(UTF_8));

    assertEquals(
        HashCode.fromBytes(mac.doFinal()),
        Hashing.hmacSha1(SHA1_KEY)
            .newHasher()
            .putString("hello", UTF_8)

	},

	{"01.02.03.04.05.06", nil, "invalid MAC address"},
	{"01:02:03:04:05:06:", nil, "invalid MAC address"},
	{"x1:02:03:04:05:06", nil, "invalid MAC address"},
	{"01002:03:04:05:06", nil, "invalid MAC address"},
	{"01:02003:04:05:06", nil, "invalid MAC address"},
	{"01:02:03004:05:06", nil, "invalid MAC address"},
	{"01:02:03:04005:06", nil, "invalid MAC address"},
	{"01:02:03:04:05006", nil, "invalid MAC address"},

  }

  private static boolean supportsClone(Mac mac) {
    try {
      Object unused = mac.clone();
      return true;
    } catch (CloneNotSupportedException e) {
      return false;
    }
  }

  private static Mac getMac(String algorithmName, Key key) {
    try {
      Mac mac = Mac.getInstance(algorithmName);
      mac.init(key);
      return mac;
    } catch (NoSuchAlgorithmException e) {

	}
	return h.mac.Write(p)
}

// Sum computes the authenticator of all data written to the
// message authentication code.
func (h *MAC) Sum(b []byte) []byte {
	var mac [TagSize]byte
	h.mac.Sum(&mac)
	h.finalized = true
	return append(b, mac[:]...)
}

// Verify returns whether the authenticator of all data written to
// the message authentication code matches the expected value.

      Providers.setProviderList(providers);
    }
  }

  public void testMultipleUpdates() throws Exception {
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(SHA1_KEY);
    mac.update("hello".getBytes(UTF_8));
    mac.update("world".getBytes(UTF_8));

    assertEquals(
        HashCode.fromBytes(mac.doFinal()),
        Hashing.hmacSha1(SHA1_KEY)
            .newHasher()
            .putString("hello", UTF_8)

151.036}, {112, 28}}ClassShapedGraphicFi.3192139267921448Rota{\rtf1\mac\ansicpg10000\cocoartf824\cocoasubrtf410 {\fonttbl\f0\fswiss\fcharset77 Helvetica-Oblique;} {\colortbl;\red255\green255\blue255;} \pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\qc\pardirnatural \f0\i\fs24 \cf0 deprecated,\ marked for refactor}Bounds{{584.742, 252.673}, {104, 28}}ClassShapedGraphicFi.45520344376564026Rot{\rtf1\mac\ansicpg10000\cocoartf824\cocoasubrtf410 {\fonttbl\f0\fswiss\fcharset77...