pub unsafe extern "C" fn Tss2_Sys_EncryptDecrypt_Prepare(
sysContext: *mut TSS2_SYS_CONTEXT,
keyHandle: TPMI_DH_OBJECT,
decrypt: TPMI_YES_NO,
mode: TPMI_ALG_SYM_MODE,
ivIn: *const TPM2B_IV,
inData: *const TPM2B_MAX_BUFFER
) -> TSS2_RC