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    Arguments:

    ikey      -- Duo integration key
    skey      -- Duo secret key
    akey      -- Application secret key
    username  -- Primary-authenticated username
    Validate the signed response returned from Duo.

    Returns the username of the authenticated user, or '' (empty
    string) if secondary authentication was denied.

    Arguments:

    ikey          -- Duo integration key
    skey          -- Duo secret key
    akey          -- Application secret key
    sig_response  -- The signed response POST'ed to the server

POD ERRORS

Hey! The above document had some coding errors, which are explained below:

Around line 115:

=pod directives shouldn't be over one line long! Ignoring all 4 lines of content

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