856 	int i, i1, i2, i3;  in diffuser_a_decrypt()  local
860 		i2 = n - 2;  in diffuser_a_decrypt()
864 			d[i1] += d[i2] ^ (d[i3] << 9 | d[i3] >> 23);  in diffuser_a_decrypt()
865 			i1++; i2++; i3++;  in diffuser_a_decrypt()
870 			d[i1] += d[i2] ^ d[i3];  in diffuser_a_decrypt()
871 			i1++; i2++; i3++;  in diffuser_a_decrypt()
873 			if (i2 >= n)  in diffuser_a_decrypt()
874 				i2 -= n;  in diffuser_a_decrypt()
876 			d[i1] += d[i2] ^ (d[i3] << 13 | d[i3] >> 19);  in diffuser_a_decrypt()
877 			i1++; i2++; i3++;  in diffuser_a_decrypt()
879 			d[i1] += d[i2] ^ d[i3];  in diffuser_a_decrypt()
880 			i1++; i2++; i3++;  in diffuser_a_decrypt()
887 	int i, i1, i2, i3;  in diffuser_a_encrypt()  local
891 		i2 = n - 2 - 1;  in diffuser_a_encrypt()
895 			d[i1] -= d[i2] ^ d[i3];  in diffuser_a_encrypt()
896 			i1--; i2--; i3--;  in diffuser_a_encrypt()
898 			d[i1] -= d[i2] ^ (d[i3] << 13 | d[i3] >> 19);  in diffuser_a_encrypt()
899 			i1--; i2--; i3--;  in diffuser_a_encrypt()
901 			if (i2 < 0)  in diffuser_a_encrypt()
902 				i2 += n;  in diffuser_a_encrypt()
904 			d[i1] -= d[i2] ^ d[i3];  in diffuser_a_encrypt()
905 			i1--; i2--; i3--;  in diffuser_a_encrypt()
910 			d[i1] -= d[i2] ^ (d[i3] << 9 | d[i3] >> 23);  in diffuser_a_encrypt()
911 			i1--; i2--; i3--;  in diffuser_a_encrypt()
918 	int i, i1, i2, i3;  in diffuser_b_decrypt()  local
922 		i2 = 2;  in diffuser_b_decrypt()
926 			d[i1] += d[i2] ^ d[i3];  in diffuser_b_decrypt()
927 			i1++; i2++; i3++;  in diffuser_b_decrypt()
929 			d[i1] += d[i2] ^ (d[i3] << 10 | d[i3] >> 22);  in diffuser_b_decrypt()
930 			i1++; i2++; i3++;  in diffuser_b_decrypt()
932 			if (i2 >= n)  in diffuser_b_decrypt()
933 				i2 -= n;  in diffuser_b_decrypt()
935 			d[i1] += d[i2] ^ d[i3];  in diffuser_b_decrypt()
936 			i1++; i2++; i3++;  in diffuser_b_decrypt()
941 			d[i1] += d[i2] ^ (d[i3] << 25 | d[i3] >> 7);  in diffuser_b_decrypt()
942 			i1++; i2++; i3++;  in diffuser_b_decrypt()
949 	int i, i1, i2, i3;  in diffuser_b_encrypt()  local
953 		i2 = 2 - 1;  in diffuser_b_encrypt()
957 			d[i1] -= d[i2] ^ (d[i3] << 25 | d[i3] >> 7);  in diffuser_b_encrypt()
958 			i1--; i2--; i3--;  in diffuser_b_encrypt()
963 			d[i1] -= d[i2] ^ d[i3];  in diffuser_b_encrypt()
964 			i1--; i2--; i3--;  in diffuser_b_encrypt()
966 			if (i2 < 0)  in diffuser_b_encrypt()
967 				i2 += n;  in diffuser_b_encrypt()
969 			d[i1] -= d[i2] ^ (d[i3] << 10 | d[i3] >> 22);  in diffuser_b_encrypt()
970 			i1--; i2--; i3--;  in diffuser_b_encrypt()
972 			d[i1] -= d[i2] ^ d[i3];  in diffuser_b_encrypt()
973 			i1--; i2--; i3--;  in diffuser_b_encrypt()