39  * The generic round function.  The application is so specific that
44 #define ROUND(f, a, b, c, d, x, s)	\  macro
57 	/* Round 1 */  in half_md4_transform()
58 	ROUND(F, a, b, c, d, in[0] + K1,  3);  in half_md4_transform()
59 	ROUND(F, d, a, b, c, in[1] + K1,  7);  in half_md4_transform()
60 	ROUND(F, c, d, a, b, in[2] + K1, 11);  in half_md4_transform()
61 	ROUND(F, b, c, d, a, in[3] + K1, 19);  in half_md4_transform()
62 	ROUND(F, a, b, c, d, in[4] + K1,  3);  in half_md4_transform()
63 	ROUND(F, d, a, b, c, in[5] + K1,  7);  in half_md4_transform()
64 	ROUND(F, c, d, a, b, in[6] + K1, 11);  in half_md4_transform()
65 	ROUND(F, b, c, d, a, in[7] + K1, 19);  in half_md4_transform()
67 	/* Round 2 */  in half_md4_transform()
68 	ROUND(G, a, b, c, d, in[1] + K2,  3);  in half_md4_transform()
69 	ROUND(G, d, a, b, c, in[3] + K2,  5);  in half_md4_transform()
70 	ROUND(G, c, d, a, b, in[5] + K2,  9);  in half_md4_transform()
71 	ROUND(G, b, c, d, a, in[7] + K2, 13);  in half_md4_transform()
72 	ROUND(G, a, b, c, d, in[0] + K2,  3);  in half_md4_transform()
73 	ROUND(G, d, a, b, c, in[2] + K2,  5);  in half_md4_transform()
74 	ROUND(G, c, d, a, b, in[4] + K2,  9);  in half_md4_transform()
75 	ROUND(G, b, c, d, a, in[6] + K2, 13);  in half_md4_transform()
77 	/* Round 3 */  in half_md4_transform()
78 	ROUND(H, a, b, c, d, in[3] + K3,  3);  in half_md4_transform()
79 	ROUND(H, d, a, b, c, in[7] + K3,  9);  in half_md4_transform()
80 	ROUND(H, c, d, a, b, in[2] + K3, 11);  in half_md4_transform()
81 	ROUND(H, b, c, d, a, in[6] + K3, 15);  in half_md4_transform()
82 	ROUND(H, a, b, c, d, in[1] + K3,  3);  in half_md4_transform()
83 	ROUND(H, d, a, b, c, in[5] + K3,  9);  in half_md4_transform()
84 	ROUND(H, c, d, a, b, in[0] + K3, 11);  in half_md4_transform()
85 	ROUND(H, b, c, d, a, in[4] + K3, 15);  in half_md4_transform()
94 #undef ROUND