Returns the CA certificate blob if the CA certificate is stored using the nm_setting_802_1x_ck_scheme_blob scheme.
Not all EAP methods use a CA certificate (LEAP for example), and those that can take advantage of the CA certificate allow it to be unset. Note that lack of a CA certificate reduces security by allowing man-in-the-middle attacks, because the identity of the network cannot be confirmed by the client.
| this |
the Setting8021x |
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the CA certificate data |