524 #define IP(L, R, T)		\  argument
526 	T  = L;			\
527 	L ^= R;			\
528 	L &= 0xf0f0f0f0;	\
529 	R ^= L;			\
530 	L ^= T;			\
532 	T  = L;			\
533 	L ^= R;			\
534 	L &= 0xffff0000;	\
535 	R ^= L;			\
536 	L ^= T;			\
538 	T  = L;			\
539 	L ^= R;			\
540 	L &= 0xcccccccc;	\
541 	R ^= L;			\
542 	L ^= T;			\
544 	T  = L;			\
545 	L ^= R;			\
546 	L &= 0xff00ff00;	\
547 	R ^= L;			\
548 	L ^= T;			\
550 	T  = L;			\
551 	L ^= R;			\
552 	L &= 0xaaaaaaaa;	\
553 	R ^= L;			\
554 	L ^= T;			\
555 	ROL(L, 1);
557 #define FP(L, R, T)		\  argument
558 	ROR(L, 1);		\
559 	T  = L;			\
560 	L ^= R;			\
561 	L &= 0xaaaaaaaa;	\
562 	R ^= L;			\
563 	L ^= T;			\
565 	T  = L;			\
566 	L ^= R;			\
567 	L &= 0xff00ff00;	\
568 	R ^= L;			\
569 	L ^= T;			\
571 	T  = L;			\
572 	L ^= R;			\
573 	L &= 0xcccccccc;	\
574 	R ^= L;			\
575 	L ^= T;			\
577 	T  = L;			\
578 	L ^= R;			\
579 	L &= 0xffff0000;	\
580 	R ^= L;			\
581 	L ^= T;			\
583 	T  = L;			\
584 	L ^= R;			\
585 	L &= 0xf0f0f0f0;	\
586 	R ^= L;			\
587 	L ^= T;			\
590 #define ROUND(L, R, A, B, K, d)					\  argument
594 	L ^= S8[0xff & B];		A &= 0x3f3f3f3f;	\
595 	L ^= S6[0xff & (B >> 8)];	B >>= 16;		\
596 	L ^= S7[0xff & A];					\
597 	L ^= S5[0xff & (A >> 8)];	A >>= 16;		\
598 	L ^= S4[0xff & B];					\
599 	L ^= S2[0xff & (B >> 8)];				\
600 	L ^= S3[0xff & A];					\
601 	L ^= S1[0xff & (A >> 8)];
809 	u32 L, R, A, B;  in des_encrypt()  local
812 	L = le32_to_cpu(s[0]);  in des_encrypt()
815 	IP(L, R, A);  in des_encrypt()
817 		ROUND(L, R, A, B, K, 2);  in des_encrypt()
818 		ROUND(R, L, A, B, K, 2);  in des_encrypt()
820 	FP(R, L, A);  in des_encrypt()
823 	d[1] = cpu_to_le32(L);  in des_encrypt()
832 	u32 L, R, A, B;  in des_decrypt()  local
835 	L = le32_to_cpu(s[0]);  in des_decrypt()
838 	IP(L, R, A);  in des_decrypt()
840 		ROUND(L, R, A, B, K, -2);  in des_decrypt()
841 		ROUND(R, L, A, B, K, -2);  in des_decrypt()
843 	FP(R, L, A);  in des_decrypt()
846 	d[1] = cpu_to_le32(L);  in des_decrypt()
890 	u32 L, R, A, B;  in des3_ede_encrypt()  local
893 	L = le32_to_cpu(s[0]);  in des3_ede_encrypt()
896 	IP(L, R, A);  in des3_ede_encrypt()
898 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
899 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
902 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
903 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
906 		ROUND(L, R, A, B, K, 2);  in des3_ede_encrypt()
907 		ROUND(R, L, A, B, K, 2);  in des3_ede_encrypt()
909 	FP(R, L, A);  in des3_ede_encrypt()
912 	d[1] = cpu_to_le32(L);  in des3_ede_encrypt()
921 	u32 L, R, A, B;  in des3_ede_decrypt()  local
924 	L = le32_to_cpu(s[0]);  in des3_ede_decrypt()
927 	IP(L, R, A);  in des3_ede_decrypt()
929 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
930 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
933 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
934 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
937 		ROUND(L, R, A, B, K, -2);  in des3_ede_decrypt()
938 		ROUND(R, L, A, B, K, -2);  in des3_ede_decrypt()
940 	FP(R, L, A);  in des3_ede_decrypt()
943 	d[1] = cpu_to_le32(L);  in des3_ede_decrypt()