KEY_PRI_DH_VAL_BITS
KEY_PRI_DH_VAL_BITS(pvk) = (isValueBits) ? value_bits : 0;
KEY_PRI_DH_VAL_BITS(pvk) = (isValueBits) ?
KEY_PRI_DH_VAL_BITS(pvk) = (CK_ULONG)(SWAP64(tmp_val));