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    :ivar dict certs: Mapping from domain names (`bytes`) to
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    :ivar method: See `OpenSSL.SSL.Context` for allowed values.
    :ivar alpn_selection: Hook to select negotiated ALPN protocol for
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    :ivar cert_selection: Hook to select certificate for connection. If given,
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            extension was received.
        :type connection: :class:`OpenSSL.Connection`

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j�S(sProbe SNI server for SSL certificate.

    :param bytes name: Byte string to send as the server name in the
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    :param bytes host: Host to connect to.
    :param int port: Port to connect to.
    :param int timeout: Timeout in seconds.
    :param method: See `OpenSSL.SSL.Context` for allowed values.
    :param tuple source_address: Enables multi-path probing (selection
        of source interface). See `socket.creation_connection` for more
        info. Available only in Python 2.7+.
    :param alpn_protocols: Protocols to request using ALPN.
    :type alpn_protocols: `list` of `bytes`

    :raises acme.errors.Error: In case of any problems.

    :returns: SSL certificate presented by the server.
    :rtype: OpenSSL.crypto.X509

    tsource_addresss!Attempting to connect to %s:%d%s.s
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tj|�S(s�Generate a CSR containing a list of domains as subjectAltNames.

    :param buffer private_key_pem: Private key, in PEM PKCS#8 format.
    :param list domains: List of DNS names to include in subjectAltNames of CSR.
    :param bool must_staple: Whether to include the TLS Feature extension (aka
        OCSP Must Staple: https://tools.ietf.org/html/rfc7633).
    :returns: buffer PEM-encoded Certificate Signing Request.
    tsubjectAltNametcriticaltvalues, css|]}d|VqdS(sDNS:N((t.0td((s4/usr/lib/python2.7/site-packages/acme/crypto_util.pys	<genexpr>�stasciis1.3.6.1.5.5.7.1.24sDER:30:03:02:01:05itsha256(Rtload_privatekeytFILETYPE_PEMtX509Reqt
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cCsU|j�j}t|�}|dkr+|S|gg|D]}||kr8|^q8S(N(tget_subjecttCNt_pyopenssl_cert_or_req_sanR(tloaded_cert_or_reqtcommon_nametsansRT((s4/usr/lib/python2.7/site-packages/acme/crypto_util.pyt _pyopenssl_cert_or_req_all_names�s
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d�j|�}g|D](}|j|�r�|j|�d^q�S(s�Get Subject Alternative Names from certificate or CSR using pyOpenSSL.

    .. todo:: Implement directly in PyOpenSSL!

    .. note:: Although this is `acme` internal API, it is used by
        `letsencrypt`.

    :param cert_or_req: Certificate or CSR.
    :type cert_or_req: `OpenSSL.crypto.X509` or `OpenSSL.crypto.X509Req`.

    :returns: A list of Subject Alternative Names.
    :rtype: `list` of `unicode`

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�|S(s*Generate new self-signed certificate.

    :type domains: `list` of `unicode`
    :param OpenSSL.crypto.PKey key:
    :param bool force_san:
    :param extensions: List of additional extensions to include in the cert.
    :type extensions: `list` of `OpenSSL.crypto.X509Extension`

    If more than one domain is provided, all of the domains are put into
    ``subjectAltName`` X.509 extension and first domain is set as the
    subject CN. If only one domain is provided no ``subjectAltName``
    extension is used, unless `force_san` is ``True``.

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cs,�fd��dj�fd�|D��S(s�Dump certificate chain into a bundle.

    :param list chain: List of `OpenSSL.crypto.X509` (or wrapped in
        :class:`josepy.util.ComparableX509`).

    :returns: certificate chain bundle
    :rtype: bytes

    cs.t|tj�r|j}ntj�|�S(N(RttjosetComparableX509twrappedRRv(R'(tfiletype(s4/usr/lib/python2.7/site-packages/acme/crypto_util.pyt
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