*  * `com.twitter.hpack.HuffmanDecoder`
 *  * `com.twitter.hpack.HpackUtil`
 *
 * [twitter_hpack]: https://github.com/twitter/hpack
 */
object Huffman {
  // Appendix C: Huffman Codes
  // http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-12#appendix-B
  private val CODES =
    intArrayOf(
      0x1ff8,
      0x7fffd8,
      0xfffffe2,
      0xfffffe3,
      0xfffffe4,
      0xfffffe5,
      0xfffffe6,

package openid

import (
	"crypto"
	"crypto/ecdsa"
	"crypto/ed25519"
	"crypto/elliptic"
	"crypto/rsa"
	"encoding/base64"
	"errors"
	"fmt"
	"math/big"
)

// JWKS - https://tools.ietf.org/html/rfc7517
type JWKS struct {
	Keys []*JWKS `json:"keys,omitempty"`

	Kty string `json:"kty"`
	Use string `json:"use,omitempty"`
	Kid string `json:"kid,omitempty"`
	Alg string `json:"alg,omitempty"`

    public val closeSocket: Boolean = true,
    public val shutdownInput: Boolean = false,
    public val shutdownOutput: Boolean = false,
  ) : SocketEffect

  /**
   * On HTTP/2, send a [GOAWAY frame](https://tools.ietf.org/html/rfc7540#section-6.8) immediately
   * after the response and will close the connection when the client's socket is exhausted.
   *
   * On HTTP/1 this closes the socket.
   */

    throw IllegalArgumentException("failed to decode certificate", e)
  }
}

/**
 * Returns the certificate encoded in [PEM format][rfc_7468].
 *
 * [rfc_7468]: https://tools.ietf.org/html/rfc7468
 */
fun X509Certificate.certificatePem(): String =
  buildString {
    append("-----BEGIN CERTIFICATE-----\n")
    encodeBase64Lines(encoded.toByteString())
    append("-----END CERTIFICATE-----\n")

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

import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertNull

class PunycodeTest {
  /** https://datatracker.ietf.org/doc/html/rfc3492#section-7.1 */
  @Test fun rfc3492Samples() {
    // (A) Arabic (Egyptian)
    testEncodeDecode(
      unicode = "ليهمابتكلموشعربي؟",
      punycode = "xn--egbpdaj6bu4bxfgehfvwxn",
    )

        sslSocket.enabledProtocols.intersect(tlsVersionsAsString, naturalOrder())
      } else {
        sslSocket.enabledProtocols
      }

    // In accordance with https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-00 the SCSV
    // cipher is added to signal that a protocol fallback has taken place.
    val supportedCipherSuites = sslSocket.supportedCipherSuites
    val indexOfFallbackScsv =

 * direct translation of the pseudocode presented there.
 *
 * Partner this class with [UTS #46] to implement IDNA2008 [RFC 5890] like most browsers do.
 *
 * [RFC 3492]: https://datatracker.ietf.org/doc/html/rfc3492
 * [RFC 5890]: https://datatracker.ietf.org/doc/html/rfc5890
 * [UTS #46]: https://www.unicode.org/reports/tr46/
 */
object Punycode {
  val PREFIX_STRING = "xn--"
  val PREFIX = PREFIX_STRING.encodeUtf8()

   * Returns the string representation of an {@link InetAddress}.
   *
   * <p>For IPv4 addresses, this is identical to {@link InetAddress#getHostAddress()}, but for IPv6
   * addresses, the output follows <a href="http://tools.ietf.org/html/rfc5952">RFC 5952</a> section
   * 4. The main difference is that this method uses "::" for zero compression, while Java's version

 *   int result = 1;
 *   while ((response = response.priorResponse()) != null) {
 *     result++;
 *   }
 *   return result;
 * }
 * ```
 *
 * [1]: https://tools.ietf.org/html/rfc2817
 */
fun interface Authenticator {
  /**
   * Returns a request that includes a credential to satisfy an authentication challenge in
   * [response]. Returns null if the challenge cannot be satisfied.

import java.util.Collections.singletonMap
import java.util.Locale.US
import kotlin.text.Charsets.ISO_8859_1
import okhttp3.internal.unmodifiable

/**
 * An [RFC 7235][rfc_7235] challenge.
 *
 * [rfc_7235]: https://tools.ietf.org/html/rfc7235
 */
class Challenge(
  /** Returns the authentication scheme, like `Basic`. */
  @get:JvmName("scheme") val scheme: String,
  authParams: Map<String?, String>,
) {
  /**