815 	int i, i1, i2, i3;  in diffuser_a_decrypt()  local
819 		i2 = n - 2;  in diffuser_a_decrypt()
823 			d[i1] += d[i2] ^ (d[i3] << 9 | d[i3] >> 23);  in diffuser_a_decrypt()
824 			i1++; i2++; i3++;  in diffuser_a_decrypt()
829 			d[i1] += d[i2] ^ d[i3];  in diffuser_a_decrypt()
830 			i1++; i2++; i3++;  in diffuser_a_decrypt()
832 			if (i2 >= n)  in diffuser_a_decrypt()
833 				i2 -= n;  in diffuser_a_decrypt()
835 			d[i1] += d[i2] ^ (d[i3] << 13 | d[i3] >> 19);  in diffuser_a_decrypt()
836 			i1++; i2++; i3++;  in diffuser_a_decrypt()
838 			d[i1] += d[i2] ^ d[i3];  in diffuser_a_decrypt()
839 			i1++; i2++; i3++;  in diffuser_a_decrypt()
846 	int i, i1, i2, i3;  in diffuser_a_encrypt()  local
850 		i2 = n - 2 - 1;  in diffuser_a_encrypt()
854 			d[i1] -= d[i2] ^ d[i3];  in diffuser_a_encrypt()
855 			i1--; i2--; i3--;  in diffuser_a_encrypt()
857 			d[i1] -= d[i2] ^ (d[i3] << 13 | d[i3] >> 19);  in diffuser_a_encrypt()
858 			i1--; i2--; i3--;  in diffuser_a_encrypt()
860 			if (i2 < 0)  in diffuser_a_encrypt()
861 				i2 += n;  in diffuser_a_encrypt()
863 			d[i1] -= d[i2] ^ d[i3];  in diffuser_a_encrypt()
864 			i1--; i2--; i3--;  in diffuser_a_encrypt()
869 			d[i1] -= d[i2] ^ (d[i3] << 9 | d[i3] >> 23);  in diffuser_a_encrypt()
870 			i1--; i2--; i3--;  in diffuser_a_encrypt()
877 	int i, i1, i2, i3;  in diffuser_b_decrypt()  local
881 		i2 = 2;  in diffuser_b_decrypt()
885 			d[i1] += d[i2] ^ d[i3];  in diffuser_b_decrypt()
886 			i1++; i2++; i3++;  in diffuser_b_decrypt()
888 			d[i1] += d[i2] ^ (d[i3] << 10 | d[i3] >> 22);  in diffuser_b_decrypt()
889 			i1++; i2++; i3++;  in diffuser_b_decrypt()
891 			if (i2 >= n)  in diffuser_b_decrypt()
892 				i2 -= n;  in diffuser_b_decrypt()
894 			d[i1] += d[i2] ^ d[i3];  in diffuser_b_decrypt()
895 			i1++; i2++; i3++;  in diffuser_b_decrypt()
900 			d[i1] += d[i2] ^ (d[i3] << 25 | d[i3] >> 7);  in diffuser_b_decrypt()
901 			i1++; i2++; i3++;  in diffuser_b_decrypt()
908 	int i, i1, i2, i3;  in diffuser_b_encrypt()  local
912 		i2 = 2 - 1;  in diffuser_b_encrypt()
916 			d[i1] -= d[i2] ^ (d[i3] << 25 | d[i3] >> 7);  in diffuser_b_encrypt()
917 			i1--; i2--; i3--;  in diffuser_b_encrypt()
922 			d[i1] -= d[i2] ^ d[i3];  in diffuser_b_encrypt()
923 			i1--; i2--; i3--;  in diffuser_b_encrypt()
925 			if (i2 < 0)  in diffuser_b_encrypt()
926 				i2 += n;  in diffuser_b_encrypt()
928 			d[i1] -= d[i2] ^ (d[i3] << 10 | d[i3] >> 22);  in diffuser_b_encrypt()
929 			i1--; i2--; i3--;  in diffuser_b_encrypt()
931 			d[i1] -= d[i2] ^ d[i3];  in diffuser_b_encrypt()
932 			i1--; i2--; i3--;  in diffuser_b_encrypt()