TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
TLS_RSA_WITH_AES_128_GCM_SHA256
TLS_RSA_WITH_AES_256_GCM_SHA384

  fun javaName_examples() {
    assertThat(CipherSuite.TLS_RSA_EXPORT_WITH_RC4_40_MD5.javaName)
      .isEqualTo("SSL_RSA_EXPORT_WITH_RC4_40_MD5")
    assertThat(CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256.javaName)
      .isEqualTo("TLS_RSA_WITH_AES_128_CBC_SHA256")
    assertThat(forJavaName("TestCipherSuite").javaName)
      .isEqualTo("TestCipherSuite")
  }

  @Test
  fun javaName_equalsToString() {

 * **REMOVED:** ~~TLS_AES_128_CCM_8_SHA256[¹][tlsv13_only]~~

##### MODERN_TLS / COMPATIBLE_TLS cipher suites

 * TLS_AES_128_GCM_SHA256[¹][tlsv13_only]
 * TLS_AES_256_GCM_SHA384[¹][tlsv13_only]
 * TLS_CHACHA20_POLY1305_SHA256[¹][tlsv13_only]
 * TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
 * TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
 * TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
 * TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384

TLS_AES_128_GCM_SHA256
TLS_AES_256_GCM_SHA384
TLS_CHACHA20_POLY1305_SHA256
TLS_AES_128_CCM_SHA256
TLS_AES_256_CCM_8_SHA256
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA

  }

  @Test fun testGoodPin() {
    val pin =
      Pin(
        "**.example.co.uk",
        "sha256/AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
      )
    assertEquals("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=".decodeBase64(), pin.hash)
    assertEquals("sha256", pin.hashAlgorithm)
    assertEquals("**.example.co.uk", pin.pattern)
    assertTrue(pin.matchesHostname("www.example.co.uk"))

public final class CertificatePinning {
  private final OkHttpClient client = new OkHttpClient.Builder()
      .certificatePinner(
          new CertificatePinner.Builder()
              .add("publicobject.com", "sha256/Vjs8r4z+80wjNcr1YKepWQboSIRi63WsWXhIMN+eWys=")
              .build())
      .build();

  public void run() throws Exception {
    Request request = new Request.Builder()

    // not customize the cipher suites list.
    List<CipherSuite> customCipherSuites = asList(
        CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
        CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
        CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
        CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384);

import okhttp3.Request

class CertificatePinning {
  private val client =
    OkHttpClient.Builder()
      .certificatePinner(
        CertificatePinner.Builder()
          .add("publicobject.com", "sha256/Vjs8r4z+80wjNcr1YKepWQboSIRi63WsWXhIMN+eWys=")
          .build(),
      )
      .build()

  fun run() {
    val request =
      Request.Builder()
        .url("https://publicobject.com/robots.txt")

public final class CheckHandshake {
  /** Rejects otherwise-trusted certificates. */
  private static final Interceptor CHECK_HANDSHAKE_INTERCEPTOR = new Interceptor() {
    final Set<String> denylist = Collections.singleton(
        "sha256/afwiKY3RxoMmLkuRW1l7QsPZTJPwDS2pdDROQjXw8ig=");

    @Override public Response intercept(Chain chain) throws IOException {
      for (Certificate certificate : chain.connection().handshake().peerCertificates()) {

TLS_AES_128_GCM_SHA256
TLS_AES_256_GCM_SHA384
TLS_CHACHA20_POLY1305_SHA256
TLS_AES_128_CCM_SHA256
TLS_AES_256_CCM_8_SHA256
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA