24 #define STEP(f, a, b, c, d, xk, s)	\  macro
40 		STEP(F, a, b, c, d, data[0], 3);  in hash()
41 		STEP(F, d, a, b, c, data[1], 7);  in hash()
42 		STEP(F, c, d, a, b, data[2], 11);  in hash()
43 		STEP(F, b, c, d, a, data[3], 19);  in hash()
44 		STEP(F, a, b, c, d, data[4], 3);  in hash()
45 		STEP(F, d, a, b, c, data[5], 7);  in hash()
46 		STEP(F, c, d, a, b, data[6], 11);  in hash()
47 		STEP(F, b, c, d, a, data[7], 19);  in hash()
49 		STEP(G, a, b, c, d, data[1] + kMD4Round2, 3);  in hash()
50 		STEP(G, d, a, b, c, data[5] + kMD4Round2, 5);  in hash()
51 		STEP(G, c, d, a, b, data[6] + kMD4Round2, 9);  in hash()
52 		STEP(G, b, c, d, a, data[2] + kMD4Round2, 13);  in hash()
53 		STEP(G, a, b, c, d, data[3] + kMD4Round2, 3);  in hash()
54 		STEP(G, d, a, b, c, data[7] + kMD4Round2, 5);  in hash()
55 		STEP(G, c, d, a, b, data[4] + kMD4Round2, 9);  in hash()
56 		STEP(G, b, c, d, a, data[0] + kMD4Round2, 13);  in hash()
58 		STEP(H, a, b, c, d, data[1] + kMD4Round3, 3);  in hash()
59 		STEP(H, d, a, b, c, data[6] + kMD4Round3, 9);  in hash()
60 		STEP(H, c, d, a, b, data[5] + kMD4Round3, 11);  in hash()
61 		STEP(H, b, c, d, a, data[2] + kMD4Round3, 15);  in hash()
62 		STEP(H, a, b, c, d, data[3] + kMD4Round3, 3);  in hash()
63 		STEP(H, d, a, b, c, data[4] + kMD4Round3, 9);  in hash()
64 		STEP(H, c, d, a, b, data[7] + kMD4Round3, 11);  in hash()
65 		STEP(H, b, c, d, a, data[0] + kMD4Round3, 15);  in hash()