pub unsafe extern "C" fn Esys_ECDH_ZGen(
    esysContext: *mut ESYS_CONTEXT,
    keyHandle: ESYS_TR,
    shandle1: ESYS_TR,
    shandle2: ESYS_TR,
    shandle3: ESYS_TR,
    inPoint: *const TPM2B_ECC_POINT,
    outPoint: *mut *mut TPM2B_ECC_POINT
) -> TSS2_RC