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.. todo::
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:ivar messages.Directory directory:
:ivar key: `josepy.JWK` (private)
:ivar alg: `josepy.JWASignature`
:ivar bool verify_ssl: Verify SSL certificates?
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jed�dd�Zed�dd �ZdS ) �BackwardsCompatibleClientV2a� ACME client wrapper that tends towards V2-style calls, but
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.. deprecated:: 1.18.0
Use :class:`ClientV2` instead.
.. note:: While this class handles the majority of the differences
between versions of the ACME protocol, if you need to support an
ACME server based on version 3 or older of the IETF ACME draft
that uses combinations in authorizations (or lack thereof) to
signal that the client needs to complete something other than
any single challenge in the authorization to make it valid, the
user of this class needs to understand and handle these
differences themselves. This does not apply to either of Let's
Encrypt's endpoints where successfully completing any challenge
in an authorization will make it valid.
:ivar int acme_version: 1 or 2, corresponding to the Let's Encrypt endpoint
:ivar .ClientBase client: either Client or ClientV2
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