pub unsafe extern "system" fn CryptSIPGetSignedDataMsg(
    psubjectinfo: *mut SIP_SUBJECTINFO,
    pdwencodingtype: *mut CERT_QUERY_ENCODING_TYPE,
    dwindex: u32,
    pcbsigneddatamsg: *mut u32,
    pbsigneddatamsg: *mut u8,
) -> BOOL