sigma1
s1 = X[(i+14)&0x0f]; s1 = sigma1(s1);
s1 = X[(i+14)&0x0f]; s1 = sigma1(s1); \
T += sigma1(F[8+16-14]);
s1 = X[(i+14)&0x0f]; s1 = sigma1(s1);
s1 = X[(j+14)&0x0f]; s1 = sigma1(s1); \