null, "" -> null
      else -> protocol
    }
  }

  override fun configureTlsExtensions(
    sslSocket: SSLSocket,
    hostname: String?,
    protocols: List<Protocol>,
  ) {
    // No TLS extensions if the socket class is custom.
    if (matchesSocket(sslSocket)) {
      val bcSocket = sslSocket as BCSSLSocket

      val sslParameters = bcSocket.parameters

      // Enable ALPN.

pkg bufio, method (ReadWriter) AvailableBuffer() []uint8
pkg bytes, func Cut([]uint8, []uint8) ([]uint8, []uint8, bool)
pkg bytes, func Title //deprecated
pkg crypto/tls, method (*Conn) NetConn() net.Conn
pkg crypto/tls, type Config struct, PreferServerCipherSuites //deprecated
pkg crypto/x509, method (*CertPool) Subjects //deprecated
pkg debug/buildinfo, func Read(io.ReaderAt) (*debug.BuildInfo, error)

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package okhttp3.tls.internal

import java.net.InetSocketAddress
import java.net.Socket
import java.security.cert.CertificateException
import java.security.cert.X509Certificate
import javax.net.ssl.SSLEngine

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.tls.internal.der

/**
 * The first two bytes of each value is a header that includes its tag (field ID) and length.
 */
internal data class DerHeader(
  /**
   * Namespace of the tag.
   *

import okhttp3.internal.connection.RouteDatabase
import okhttp3.internal.connection.RoutePlanner
import okhttp3.internal.http.RealInterceptorChain
import okhttp3.internal.http.RecordingProxySelector
import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.internal.TlsUtil.localhost

/**
 * OkHttp is usually tested with functional tests: these use public APIs to confirm behavior against

    * Quelle que soit la taille de votre serveur ou la taille de chacune des applications qu'il contient.
    * Il existe cependant une solution à ce problème.
* Il existe une extension du protocole TLS (celui qui gère le cryptage au niveau TCP, avant HTTP) appelée <a
  href="https://fr.wikipedia.org/wiki/Server_Name_Indication" class="external-link" target="_blank"><abbr

import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okhttp3.internal.closeQuietly
import okhttp3.testing.PlatformRule
import okhttp3.tls.HandshakeCertificates
import org.bouncycastle.tls.TlsFatalAlert
import org.junit.jupiter.api.Tag
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout
import org.junit.jupiter.api.extension.RegisterExtension

@Timeout(30)

```
.
├── app
│   ├── __init__.py
│   └── main.py
├── Dockerfile
└── requirements.txt
```

#### Behind a TLS Termination Proxy { #behind-a-tls-termination-proxy }

 */
class BouncyCastlePlatform private constructor() : Platform() {
  private val provider: Provider = BouncyCastleJsseProvider()

  override fun newSSLContext(): SSLContext = SSLContext.getInstance("TLS", provider)

  override fun platformTrustManager(): X509TrustManager {
    val factory =
      TrustManagerFactory.getInstance(
        "PKIX",
        BouncyCastleJsseProvider.PROVIDER_NAME,
      )

  @get:JvmName("message") val message: String,
  /** Returns the HTTP status code. */
  @get:JvmName("code") val code: Int,
  /**
   * Returns the TLS handshake of the connection that carried this response, or null if the
   * response was received without TLS.
   */
  @get:JvmName("handshake") val handshake: Handshake?,
  /** Returns the HTTP headers. */
  @get:JvmName("headers") val headers: Headers,
  /**