import java.security.SecureRandom
import java.security.cert.X509Certificate
import java.util.Arrays
import javax.net.ssl.KeyManager
import javax.net.ssl.SSLContext
import javax.net.ssl.SSLException
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager
import javax.security.auth.x500.X500Principal
import kotlin.test.assertFailsWith

import java.util.logging.Level
import java.util.logging.Logger
import javax.net.ssl.ExtendedSSLSession
import javax.net.ssl.SNIHostName
import javax.net.ssl.SSLContext
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager
import javax.net.ssl.TrustManagerFactory
import javax.net.ssl.X509TrustManager
import okhttp3.OkHttpClient
import okhttp3.Protocol

```
Caused by: javax.net.ssl.SSLProtocolException: SSL handshake aborted: ssl=0x7f2719a89e80:
    Failure in SSL library, usually a protocol error
        error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake
        failure (external/openssl/ssl/s23_clnt.c:770 0x7f2728a53ea0:0x00000000)
    at com.android.org.conscrypt.NativeCrypto.SSL_do_handshake(Native Method)
```

    @JvmField val TLS_RSA_WITH_NULL_MD5 = init("SSL_RSA_WITH_NULL_MD5", 0x0001)

    @JvmField val TLS_RSA_WITH_NULL_SHA = init("SSL_RSA_WITH_NULL_SHA", 0x0002)

    @JvmField val TLS_RSA_EXPORT_WITH_RC4_40_MD5 = init("SSL_RSA_EXPORT_WITH_RC4_40_MD5", 0x0003)

    @JvmField val TLS_RSA_WITH_RC4_128_MD5 = init("SSL_RSA_WITH_RC4_128_MD5", 0x0004)

    @JvmField val TLS_RSA_WITH_RC4_128_SHA = init("SSL_RSA_WITH_RC4_128_SHA", 0x0005)

import java.io.IOException
import java.security.SecureRandom
import java.security.cert.X509Certificate
import javax.net.ssl.KeyManager
import javax.net.ssl.SSLHandshakeException
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer

import assertk.assertions.isEqualTo
import assertk.assertions.isFalse
import assertk.assertions.isNull
import assertk.assertions.isTrue
import java.util.concurrent.CopyOnWriteArraySet
import javax.net.ssl.SSLSocket
import javax.net.ssl.SSLSocketFactory
import kotlin.test.assertFailsWith
import okhttp3.internal.applyConnectionSpec
import okhttp3.internal.platform.Platform.Companion.isAndroid
import okhttp3.testing.PlatformRule

import java.util.logging.Handler
import java.util.logging.Level
import java.util.logging.LogRecord
import java.util.logging.Logger
import javax.crypto.SecretKey
import javax.net.ssl.SSLSession
import javax.net.ssl.SSLSocket
import okhttp3.Call
import okhttp3.Connection
import okhttp3.ConnectionSpec
import okhttp3.EventListener
import okhttp3.Handshake
import okhttp3.OkHttpClient
import okhttp3.Request

 * SSL socket. For example, if an SSL socket does not have TLS 1.3 enabled, it will not be used even
 * if it is present on the connection spec. The same policy also applies to cipher suites.
 *
 * Use [Builder.allEnabledTlsVersions] and [Builder.allEnabledCipherSuites] to defer all feature
 * selection to the underlying SSL socket.
 *

import java.net.Proxy
import java.net.Socket
import java.net.UnknownServiceException
import java.security.cert.X509Certificate
import java.util.concurrent.TimeUnit
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocket
import kotlin.concurrent.withLock
import okhttp3.CertificatePinner
import okhttp3.ConnectionSpec
import okhttp3.Handshake
import okhttp3.Handshake.Companion.handshake

 * limitations under the License.
 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEqualTo
import java.io.IOException
import java.util.concurrent.TimeUnit
import javax.net.ssl.SSLException
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.DisconnectAfterRequest
import mockwebserver3.SocketPolicy.DisconnectAtEnd