pub unsafe extern "C" fn Esys_Sign_Async(
esysContext: *mut ESYS_CONTEXT,
keyHandle: ESYS_TR,
shandle1: ESYS_TR,
shandle2: ESYS_TR,
shandle3: ESYS_TR,
digest: *const TPM2B_DIGEST,
inScheme: *const TPMT_SIG_SCHEME,
validation: *const TPMT_TK_HASHCHECK
) -> TSS2_RC