// Test with SHA512
        OneWayCryptographer sha512 = OneWayCryptographer.createSha512Cryptographer();
        FessSecurityResourceProvider provider = new FessSecurityResourceProvider(invertibleCryptographer, sha512);

        assertNotNull(provider);
        assertEquals(invertibleCryptographer, provider.providePrimaryInvertibleCryptographer());
        assertEquals(sha512, provider.providePrimaryOneWayCryptographer());

  }

  public void testSha512() {
    HashTestUtils.checkAvalanche(Hashing.sha512(), 100, 0.4);
    HashTestUtils.checkNo2BitCharacteristics(Hashing.sha512());
    HashTestUtils.checkNoFunnels(Hashing.sha512());
    HashTestUtils.assertInvariants(Hashing.sha512());
    assertEquals("Hashing.sha512()", Hashing.sha512().toString());
  }

  public void testCrc32() {
    HashTestUtils.assertInvariants(Hashing.crc32());

  }

  public void testSha512() {
    HashTestUtils.checkAvalanche(Hashing.sha512(), 100, 0.4);
    HashTestUtils.checkNo2BitCharacteristics(Hashing.sha512());
    HashTestUtils.checkNoFunnels(Hashing.sha512());
    HashTestUtils.assertInvariants(Hashing.sha512());
    assertEquals("Hashing.sha512()", Hashing.sha512().toString());
  }

  public void testCrc32() {
    HashTestUtils.assertInvariants(Hashing.crc32());

   * specific length.
   *
   * <p>For example, if you need 1024-bit hash codes, you could join two {@link Hashing#sha512} hash
   * functions together: {@code Hashing.concatenating(Hashing.sha512(), Hashing.sha512())}.
   *
   * @since 19.0
   */
  public static HashFunction concatenating(
      HashFunction first, HashFunction second, HashFunction... rest) {

            assertEquals(0, buffer[1]);
            assertEquals(8, buffer[2]); // salt length (little endian)
            assertEquals(0, buffer[3]);
            assertEquals(1, buffer[4]); // SHA512 hash algo (little endian)
            assertEquals(0, buffer[5]);
            assertArrayEquals(testSalt, Arrays.copyOfRange(buffer, 6, 14));
        }

        @Test
        @DisplayName("Should encode with null values")

   * specific length.
   *
   * <p>For example, if you need 1024-bit hash codes, you could join two {@link Hashing#sha512} hash
   * functions together: {@code Hashing.concatenating(Hashing.sha512(), Hashing.sha512())}.
   *
   * @since 19.0
   */
  public static HashFunction concatenating(
      HashFunction first, HashFunction second, HashFunction... rest) {

pkg crypto/sha512, const Size224 = 28
pkg crypto/sha512, const Size224 ideal-int
pkg crypto/sha512, const Size256 = 32
pkg crypto/sha512, const Size256 ideal-int
pkg crypto/sha512, func New512_224() hash.Hash
pkg crypto/sha512, func New512_256() hash.Hash
pkg crypto/sha512, func Sum512_224([]uint8) [28]uint8
pkg crypto/sha512, func Sum512_256([]uint8) [32]uint8

        "sha256/a",
      )
    }
  }

  @Test
  fun testBadAlgorithm() {
    assertFailsWith<IllegalArgumentException> {
      CertificatePinner.Pin(
        "example.co.uk",
        "sha512/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
      )
    }
  }

  @Test
  fun testBadHost() {
    assertFailsWith<IllegalArgumentException> {
      CertificatePinner.Pin(
        "example.*",

	kexAlgoDH14SHA1               = "diffie-hellman-group14-sha1"
	kexAlgoDH14SHA256             = "diffie-hellman-group14-sha256"
	kexAlgoDH16SHA512             = "diffie-hellman-group16-sha512"
	kexAlgoECDH256                = "ecdh-sha2-nistp256"
	kexAlgoECDH384                = "ecdh-sha2-nistp384"
	kexAlgoECDH521                = "ecdh-sha2-nistp521"
	kexAlgoCurve25519SHA256LibSSH = "******@****.***"