pub unsafe extern "system" fn CryptVerifyMessageSignature(
    pverifypara: *const CRYPT_VERIFY_MESSAGE_PARA,
    dwsignerindex: u32,
    pbsignedblob: *const u8,
    cbsignedblob: u32,
    pbdecoded: *mut u8,
    pcbdecoded: *mut u32,
    ppsignercert: *mut *mut CERT_CONTEXT,
) -> BOOL