return delegate!!.peerCertificateChain
  }

  @Throws(SSLPeerUnverifiedException::class)
  override fun getPeerPrincipal(): Principal {
    return delegate!!.peerPrincipal
  }

  override fun getLocalPrincipal(): Principal {
    return delegate!!.localPrincipal
  }

  override fun getCipherSuite(): String {
    return delegate!!.cipherSuite
  }