{" \x0000003\x00", 3, true},
		{"00000000227\x00", 0227, true},
		{"032033\x00 ", 032033, true},
		{"320330\x00 ", 0320330, true},
		{"0000660\x00 ", 0660, true},
		{"\x00 0000660\x00 ", 0660, true},
		{"0123456789abcdef", 0, false},
		{"0123456789\x00abcdef", 0, false},
		{"01234567\x0089abcdef", 342391, true},
		{"0123\x7e\x5f\x264123", 0, false},
	}

	for _, v := range vectors {
		var p parser

    for (byte b : bytes) {
      sb.append(hexDigits[(b >> 4) & 0xf]).append(hexDigits[b & 0xf]);
    }
    return sb.toString();
  }

  private static final char[] hexDigits = "0123456789abcdef".toCharArray();

func isHexes(s string) bool {
	if s == "" {
		return false
	}
	if s == "empty" {
		return true
	}
	for _, f := range strings.Split(s, " or ") {
		if f == "" || len(f)%2 != 0 || strings.TrimLeft(f, "0123456789abcdef") != "" {
			return false
		}
	}
	return true
}

// It would be nice if the error messages always began with
// the standard file:line: prefix,
// but that's not where we are today.

 *
 * // For AES encryption
 * CachedCipher aesCipher = new CachedCipher();
 * aesCipher.setAlgorithm("AES");
 * aesCipher.setTransformation("AES");
 * aesCipher.setKey("0123456789abcdef"); // 16-byte key for AES-128
 * </pre>
 *
 * @author higa
 */
public class CachedCipher {

    /**
     * Creates a new {@link CachedCipher} instance.
     */
    public CachedCipher() {
    }

	if err != nil {
		t.Fatalf("%s: <ERROR> %s", instanceType, err)
	}
	uploadID := res.UploadID

	// Create a byte array of 5MiB.
	data := bytes.Repeat([]byte("0123456789abcdef"), 5*humanize.MiByte/16)
	completedParts := CompleteMultipartUpload{}
	for i := 1; i <= 10; i++ {
		expectedETaghex := getMD5Hash(data)

		var calcPartInfo PartInfo