# Method SSL.Cipher.lookup()

Method lookup

  ``array` lookup(`int` `suite`, `ProtocolVersion`|`int` `version`)`

Description

  Lookup the crypto parameters for a cipher suite.

Parameter `suite`

  Cipher suite to lookup.

Parameter `version`

  Minor version of the SSL protocol to support.

Returns

  Returns `0` (zero) for unsupported combinations. Otherwise returns an array with the following fields:

  Array
  ``KeyExchangeType` `0`` | Key exchange method.
  ``CipherSpec` `1`` | Initialized CipherSpec for the `suite`.