import okhttp3.Protocol;
import okhttp3.Request;
import okhttp3.Response;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.io.IOException;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * Simple test adaptable to show a failure in older versions of OkHttp

import java.math.BigInteger
import java.security.GeneralSecurityException
import java.security.PublicKey
import java.security.Signature
import java.security.SignatureException
import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import okio.Buffer
import okio.ByteString
import org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement

internal data class Certificate(
  val tbsCertificate: TbsCertificate,

    }
  }

  @Test
  fun testBuildIfSupported() {
    val actual = OpenJSSEPlatform.buildIfSupported()
    assertThat(actual).isNotNull()
  }

  private fun enableTls() {
    // Generate a self-signed cert for the server to serve and the client to trust.
    // can't use TlsUtil.localhost with a non OpenJSSE trust manager
    val heldCertificate =
      HeldCertificate.Builder()
        .commonName("localhost")

import com.github.ajalt.clikt.parameters.options.multiple
import com.github.ajalt.clikt.parameters.options.option
import com.github.ajalt.clikt.parameters.types.int
import java.security.cert.X509Certificate
import java.util.Properties
import java.util.concurrent.TimeUnit.SECONDS
import javax.net.ssl.HostnameVerifier
import javax.net.ssl.SSLSocketFactory
import javax.net.ssl.TrustManager

 */
package okhttp3.internal.connection

import java.io.IOException
import java.lang.ref.Reference
import java.net.Proxy
import java.net.Socket
import java.net.SocketException
import java.security.cert.X509Certificate
import java.util.concurrent.TimeUnit.MILLISECONDS
import java.util.concurrent.locks.ReentrantLock
import javax.net.ssl.SSLPeerUnverifiedException
import javax.net.ssl.SSLSocket
import kotlin.concurrent.withLock

import java.net.SocketTimeoutException
import java.net.URI
import java.net.URLConnection
import java.net.UnknownHostException
import java.security.KeyStore
import java.security.cert.CertificateException
import java.security.cert.X509Certificate
import java.time.Duration
import java.util.Arrays
import java.util.EnumSet
import java.util.Locale
import java.util.concurrent.TimeUnit

    }
    this.subjectToCaCerts = map
  }

  override fun findByIssuerAndSignature(cert: X509Certificate): X509Certificate? {
    val issuer = cert.issuerX500Principal
    val subjectCaCerts = subjectToCaCerts[issuer] ?: return null

    return subjectCaCerts.firstOrNull {
      try {
        cert.verify(it.publicKey)
        return@firstOrNull true
      } catch (_: Exception) {
        return@firstOrNull false

 * limitations under the License.
 */
package okhttp3.internal.tls

import java.security.cert.X509Certificate

fun interface TrustRootIndex {
  /** Returns the trusted CA certificate that signed [cert]. */
  fun findByIssuerAndSignature(cert: X509Certificate): X509Certificate?

 * limitations under the License.
 */
package okhttp.android.test.letsencrypt

import android.os.Build
import assertk.assertThat
import assertk.assertions.isEqualTo
import java.security.cert.X509Certificate
import okhttp3.OkHttpClient
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.tls.HandshakeCertificates
import okhttp3.tls.decodeCertificatePem
import org.junit.jupiter.api.Tag

 * limitations under the License.
 */

@file:JvmName("Certificates")

package okhttp3.tls

import java.security.GeneralSecurityException
import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import okio.Buffer
import okio.ByteString
import okio.ByteString.Companion.toByteString

/**
 * Decodes a multiline string that contains a [certificate][certificatePem] which is