kmf_get_sym_key_value
rv = kmf_get_sym_key_value(kmfhandle, &key, &rkey);
kmfrv = kmf_get_sym_key_value(kmfhandle, &key, rkey);
kmfrv = kmf_get_sym_key_value(kmfhandle, &key, rkey);
rv = kmf_get_sym_key_value(handle, &keys[i],
extern KMF_RETURN kmf_get_sym_key_value(KMF_HANDLE_T, KMF_KEY_HANDLE *,