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# ``twisted`.`internet`.`interfaces`.`IAcceptableCiphers``

interface documentation

`class IAcceptableCiphers(Interface): (source)`

Known implementations: `twisted.internet.ssl.AcceptableCiphers`

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A list of acceptable ciphers for a TLS context.

Method | `selectCiphers` | Choose which ciphers to allow to be negotiated on a TLS connection.

def selectCiphers(availableCiphers): (source)

Choose which ciphers to allow to be negotiated on a TLS connection.

Parameters
availableCiphers:`Tuple[ICipher]` | A `tuple` of `ICipher` which gives the names of all ciphers supported by the TLS implementation in use.
Returns
`Tuple[ICipher]` | A `tuple` of `ICipher` which represents the ciphers which may be negotiated on the TLS connection. The result is ordered by preference with more preferred ciphers appearing earlier.