43 		x[ 4] ^= rol32((x[ 0] + x[12]),  7);  in salsa20_block()
44 		x[ 8] ^= rol32((x[ 4] + x[ 0]),  9);  in salsa20_block()
45 		x[12] ^= rol32((x[ 8] + x[ 4]), 13);  in salsa20_block()
46 		x[ 0] ^= rol32((x[12] + x[ 8]), 18);  in salsa20_block()
47 		x[ 9] ^= rol32((x[ 5] + x[ 1]),  7);  in salsa20_block()
48 		x[13] ^= rol32((x[ 9] + x[ 5]),  9);  in salsa20_block()
49 		x[ 1] ^= rol32((x[13] + x[ 9]), 13);  in salsa20_block()
50 		x[ 5] ^= rol32((x[ 1] + x[13]), 18);  in salsa20_block()
51 		x[14] ^= rol32((x[10] + x[ 6]),  7);  in salsa20_block()
52 		x[ 2] ^= rol32((x[14] + x[10]),  9);  in salsa20_block()
53 		x[ 6] ^= rol32((x[ 2] + x[14]), 13);  in salsa20_block()
54 		x[10] ^= rol32((x[ 6] + x[ 2]), 18);  in salsa20_block()
55 		x[ 3] ^= rol32((x[15] + x[11]),  7);  in salsa20_block()
56 		x[ 7] ^= rol32((x[ 3] + x[15]),  9);  in salsa20_block()
57 		x[11] ^= rol32((x[ 7] + x[ 3]), 13);  in salsa20_block()
58 		x[15] ^= rol32((x[11] + x[ 7]), 18);  in salsa20_block()
59 		x[ 1] ^= rol32((x[ 0] + x[ 3]),  7);  in salsa20_block()
60 		x[ 2] ^= rol32((x[ 1] + x[ 0]),  9);  in salsa20_block()
61 		x[ 3] ^= rol32((x[ 2] + x[ 1]), 13);  in salsa20_block()
62 		x[ 0] ^= rol32((x[ 3] + x[ 2]), 18);  in salsa20_block()
63 		x[ 6] ^= rol32((x[ 5] + x[ 4]),  7);  in salsa20_block()
64 		x[ 7] ^= rol32((x[ 6] + x[ 5]),  9);  in salsa20_block()
65 		x[ 4] ^= rol32((x[ 7] + x[ 6]), 13);  in salsa20_block()
66 		x[ 5] ^= rol32((x[ 4] + x[ 7]), 18);  in salsa20_block()
67 		x[11] ^= rol32((x[10] + x[ 9]),  7);  in salsa20_block()
68 		x[ 8] ^= rol32((x[11] + x[10]),  9);  in salsa20_block()
69 		x[ 9] ^= rol32((x[ 8] + x[11]), 13);  in salsa20_block()
70 		x[10] ^= rol32((x[ 9] + x[ 8]), 18);  in salsa20_block()
71 		x[12] ^= rol32((x[15] + x[14]),  7);  in salsa20_block()
72 		x[13] ^= rol32((x[12] + x[15]),  9);  in salsa20_block()
73 		x[14] ^= rol32((x[13] + x[12]), 13);  in salsa20_block()
74 		x[15] ^= rol32((x[14] + x[13]), 18);  in salsa20_block()