# Enum KeyExchange

java.lang.Object
java.lang.Enum<KeyExchange>
org.apache.tomcat.util.net.openssl.ciphers.KeyExchange

All Implemented Interfaces:
  `Serializable, Comparable<KeyExchange>, java.lang.constant.Constable`

public enum KeyExchange extends Enum<KeyExchange>
Key exchange algorithms supported by OpenSSL.

- ## Nested Class Summary

  ### Nested classes/interfaces inherited from class Enum

  `Enum.EnumDesc<E>`

- ## Enum Constant Summary

  Enum Constants
  Enum Constant
  Description
  `ANY`
  Any key exchange (TLS 1.3).
  `DHd`
  DH cert, DSA CA cert (SSL_kDHd).
  `DHEPSK`
  DHE with pre-shared key.
  `DHr`
  DH cert, RSA CA cert (SSL_kDHr).
  `ECDHe`
  ECDH cert, ECDSA CA cert (SSL_kECDHe).
  `ECDHEPSK`
  ECDHE with pre-shared key.
  `ECDHr`
  ECDH cert, RSA CA cert (SSL_kECDHr).
  `EDH`
  Temporary DH key, no DH cert (SSL_kDHE).
  `EECDH`
  Ephemeral ECDH (SSL_kEECDH).
  `FZA`
  Fortezza (SSL_kFZA).
  `GOST`
  GOST key exchange (SSL_kGOST).
  `KRB5`
  Kerberos 5 key exchange (SSL_kKRB5).
  `PSK`
  Pre-shared key (SSK_kPSK).
  `RSA`
  RSA key exchange (SSL_kRSA).
  `RSAPSK`
  RSA with pre-shared key.
  `SRP`
  SRP (SSL_kSRP).

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static KeyExchange`
  `valueOf(String name)`
  Returns the enum constant of this type with the specified name.
  `static KeyExchange[]`
  `values()`
  Returns an array containing the constants of this enum type, in the order they are declared.

  ### Methods inherited from class Enum

  `clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

  ### Methods inherited from class Object

  `getClass, notify, notifyAll, wait, wait, wait`

- ## Enum Constant Details

  - ### EECDH

    public static final KeyExchange EECDH
    Ephemeral ECDH (SSL_kEECDH).

  - ### RSA

    public static final KeyExchange RSA
    RSA key exchange (SSL_kRSA).

  - ### DHr

    public static final KeyExchange DHr
    DH cert, RSA CA cert (SSL_kDHr). Not supported.

  - ### DHd

    public static final KeyExchange DHd
    DH cert, DSA CA cert (SSL_kDHd). Not supported.

  - ### EDH

    public static final KeyExchange EDH
    Temporary DH key, no DH cert (SSL_kDHE).

  - ### PSK

    public static final KeyExchange PSK
    Pre-shared key (SSK_kPSK).

  - ### FZA

    public static final KeyExchange FZA
    Fortezza (SSL_kFZA). Not supported.

  - ### KRB5

    public static final KeyExchange KRB5
    Kerberos 5 key exchange (SSL_kKRB5).

  - ### ECDHr

    public static final KeyExchange ECDHr
    ECDH cert, RSA CA cert (SSL_kECDHr).

  - ### ECDHe

    public static final KeyExchange ECDHe
    ECDH cert, ECDSA CA cert (SSL_kECDHe).

  - ### GOST

    public static final KeyExchange GOST
    GOST key exchange (SSL_kGOST).

  - ### SRP

    public static final KeyExchange SRP
    SRP (SSL_kSRP).

  - ### RSAPSK

    public static final KeyExchange RSAPSK
    RSA with pre-shared key.

  - ### ECDHEPSK

    public static final KeyExchange ECDHEPSK
    ECDHE with pre-shared key.

  - ### DHEPSK

    public static final KeyExchange DHEPSK
    DHE with pre-shared key.

  - ### ANY

    public static final KeyExchange ANY
    Any key exchange (TLS 1.3).

- ## Method Details

  - ### values

    public static KeyExchange[] values()
    Returns an array containing the constants of this enum type, in the order they are declared.
    Returns:
      an array containing the constants of this enum type, in the order they are declared

  - ### valueOf

    public static KeyExchange valueOf(String name)
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    Parameters:
      `name` - the name of the enum constant to be returned.
    Returns:
      the enum constant with the specified name
    Throws:
      `IllegalArgumentException` - if this enum type has no constant with the specified name
      `NullPointerException` - if the argument is null