Sigma1            288 drivers/staging/rtl8188eu/include/rtw_security.h #define Sigma1(x)       (S(x, 6) ^ S(x, 11) ^ S(x, 25))
Sigma1            400 drivers/staging/rtl8723bs/include/rtw_security.h #define Sigma1(x)       (S(x, 6) ^ S(x, 11) ^ S(x, 25))