testHash() want := &Signature{ R: []byte{ 0x9f, 0xc3, 0x83, 0x32, 0x6e, 0xd9, 0x4f, 0x8e, 0x24, 0xa0, 0x19, 0xef, 0x1d, 0x3a, 0xc3, 0x55, 0xdd, 0x4b, 0x98, 0xae, 0x78, 0xa7, 0xaf, 0xd3, 0xfd, 0xf3, 0x22, 0x1c, 0x8b, 0xd6, 0x11, 0x7b, }, S: []byte{ 0xd6, 0x52, 0x87, 0x41, 0x71, 0xbd, 0x66, 0xd1, 0xaf, 0x6c, 0x61, 0xdd, 0xd8, 0xa7, 0xbb, 0xd2, 0xf7, 0xd5, 0x47, 0x70, 0xe9, 0xe4, 0xac, 0x0a, 0xb9, 0xfa, 0x0f, 0xbd, 0x3b, 0x9b, 0xc2, 0xfe, }, } drbg := newDRBG(sha512.New, k.d, bits2octets(P256(), hash),...

	//TODO LDTRSH 0x96(R19), R24               // 786a8978
	//TODO LDTRSW 0x1e(LR), R5                 // c5eb81b8
	//TODO LDUR 0xbf(R13), R1                  // a1f14bb8
	//TODO LDUR -0x3c(R22), R3                 // c3425cf8
	//TODO LDURB -0xff(R17), R14               // 2e125038
	//TODO LDURH 0x80(R1), R6                  // 26004878
	//TODO LDURSB 0xde(LR), R3                 // c3e3cd38

  private static final HashCode HASH_ABCD =
      HashCode.fromBytes(new byte[] {(byte) 0xaa, (byte) 0xbb, (byte) 0xcc, (byte) 0xdd});

  public void testWriteBytesTo() {
    byte[] dest = new byte[4];
    HASH_ABCD.writeBytesTo(dest, 0, 4);
    assertThat(dest).isEqualTo(new byte[] {(byte) 0xaa, (byte) 0xbb, (byte) 0xcc, (byte) 0xdd});
  }

  public void testWriteBytesToOversizedArray() {
    byte[] dest = new byte[5];

		0x49, 0x4e, 0x46, 0x2f, 0x4d, 0x41, 0x4e, 0x49,
		0x46, 0x45, 0x53, 0x54, 0x2e, 0x4d, 0x46, 0xf3,
		0x4d, 0xcc, 0xcb, 0x4c, 0x4b, 0x2d, 0x2e, 0xd1,
		0x0d, 0x4b, 0x2d, 0x2a, 0xce, 0xcc, 0xcf, 0xb3,
		0x52, 0x30, 0xd4, 0x33, 0xe0, 0xe5, 0x72, 0x2e,
		0x4a, 0x4d, 0x2c, 0x49, 0x4d, 0xd1, 0x75, 0xaa,
		0x04, 0x0a, 0x00, 0x45, 0xf4, 0x0c, 0x8d, 0x15,
		0x34, 0xdc, 0xf3, 0xf3, 0xd3, 0x73, 0x52, 0x15,

    checkSha1("effcdf6ae5eb2fa2d27416d5f184df9c259a7c79", key, data);
  }

  public void testRfc2202_hmacSha1_case3() {
    byte[] key = fillByteArray(20, 0xaa);
    byte[] data = fillByteArray(50, 0xdd);

    checkSha1("125d7342b9ac11cd91a39af48aa17b4f63f175d3", key, data);
  }

  public void testRfc2202_hmacSha1_case4() {

  public void test15ByteStringFromSipHashPaper() {
    byte[] message =
        new byte[] {
          0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e
        };
    long k0 = 0x0706050403020100L;
    long k1 = 0x0f0e0d0c0b0a0908L;

    assertEquals(0xa129ca6149be45e5L, sipHash24(k0, k1).hashBytes(message).asLong());
  }

  public void test15ByteStringFromSipHashPaper() {
    byte[] message =
        new byte[] {
          0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e
        };
    long k0 = 0x0706050403020100L;
    long k1 = 0x0f0e0d0c0b0a0908L;

    assertEquals(0xa129ca6149be45e5L, sipHash24(k0, k1).hashBytes(message).asLong());
  }

      encodings[0x1a] = encoding // Substitute
      encodings[0x1b] = encoding // Escape
      encodings[0x1c] = encoding // File Separator
      encodings[0x1d] = encoding // Group Separator
      encodings[0x1e] = encoding // Record Separator
      encodings[0x1f] = encoding // Unit Separator
      encodings[0x7f] = encoding // Delete
    }

  fun nonAscii(encoding: Encoding) =
    apply {

      // TODO(cpovirk): Use SourceCodeEscapers if it is added to Guava.
      StringBuilder escapedInput = new StringBuilder();
      for (char c : input.toCharArray()) {
        if (c >= 0x20 && c <= 0x7E) {
          escapedInput.append(c);
        } else {
          escapedInput.append(String.format("\\u%04x", (int) c));
        }
      }

      // TODO(cpovirk): Use SourceCodeEscapers if it is added to Guava.
      StringBuilder escapedInput = new StringBuilder();
      for (char c : input.toCharArray()) {
        if (c >= 0x20 && c <= 0x7E) {
          escapedInput.append(c);
        } else {
          escapedInput.append(String.format("\\u%04x", (int) c));
        }
      }