Function CSSM_RetrieveUniqueId 

pub unsafe extern "C-unwind" fn CSSM_RetrieveUniqueId(
    csp_handle: CSSM_CSP_HANDLE,
    unique_id: CSSM_DATA_PTR,
) -> CSSM_RETURN

👎Deprecated

Available on crate features SecAsn1Types and cssmapi and cssmconfig and cssmtype only.

Safety

unique_id must be a valid pointer.