16 #define rol32(i,c) (((((i)&0xffffffff)<<c)&0xffffffff)| \  macro
71   w0=rol32(w0 + ((w1 & w2) | ((~w1) & w3)) + data2[i+0],3);  in nwsign()
72   w3=rol32(w3 + ((w0 & w1) | ((~w0) & w2)) + data2[i+1],7);  in nwsign()
73   w2=rol32(w2 + ((w3 & w0) | ((~w3) & w1)) + data2[i+2],11);  in nwsign()
74   w1=rol32(w1 + ((w2 & w3) | ((~w2) & w0)) + data2[i+3],19);  in nwsign()
77   w0=rol32(w0 + (((w2 | w3) & w1) | (w2 & w3)) + 0x5a827999 + data2[i+0],3);  in nwsign()
78   w3=rol32(w3 + (((w1 | w2) & w0) | (w1 & w2)) + 0x5a827999 + data2[i+4],5);  in nwsign()
79   w2=rol32(w2 + (((w0 | w1) & w3) | (w0 & w1)) + 0x5a827999 + data2[i+8],9);  in nwsign()
80   w1=rol32(w1 + (((w3 | w0) & w2) | (w3 & w0)) + 0x5a827999 + data2[i+12],13);  in nwsign()
83   w0=rol32(w0 + ((w1 ^ w2) ^ w3) + 0x6ed9eba1 + data2[rbit[i]+0],3);  in nwsign()
84   w3=rol32(w3 + ((w0 ^ w1) ^ w2) + 0x6ed9eba1 + data2[rbit[i]+8],9);  in nwsign()
85   w2=rol32(w2 + ((w3 ^ w0) ^ w1) + 0x6ed9eba1 + data2[rbit[i]+4],11);  in nwsign()
86   w1=rol32(w1 + ((w2 ^ w3) ^ w0) + 0x6ed9eba1 + data2[rbit[i]+12],15);  in nwsign()