__constant u32a c_SPtrans[8][64] = { { /* nibble 0 */ 0x02080800, 0x00080000, 0x02000002, 0x02080802, 0x02000000, 0x00080802, 0x00080002, 0x02000002, 0x00080802, 0x02080800, 0x02080000, 0x00000802, 0x02000802, 0x02000000, 0x00000000, 0x00080002, 0x00080000, 0x00000002, 0x02000800, 0x00080800, 0x02080802, 0x02080000, 0x00000802, 0x02000800, 0x00000002, 0x00000800, 0x00080800, 0x02080002, 0x00000800, 0x02000802, 0x02080002, 0x00000000, 0x00000000, 0x02080802, 0x02000800, 0x00080002, 0x02080800, 0x00080000, 0x00000802, 0x02000800, 0x02080002, 0x00000800, 0x00080800, 0x02000002, 0x00080802, 0x00000002, 0x02000002, 0x02080000, 0x02080802, 0x00080800, 0x02080000, 0x02000802, 0x02000000, 0x00000802, 0x00080002, 0x00000000, 0x00080000, 0x02000000, 0x02000802, 0x02080800, 0x00000002, 0x02080002, 0x00000800, 0x00080802, }, { /* nibble 1 */ 0x40108010, 0x00000000, 0x00108000, 0x40100000, 0x40000010, 0x00008010, 0x40008000, 0x00108000, 0x00008000, 0x40100010, 0x00000010, 0x40008000, 0x00100010, 0x40108000, 0x40100000, 0x00000010, 0x00100000, 0x40008010, 0x40100010, 0x00008000, 0x00108010, 0x40000000, 0x00000000, 0x00100010, 0x40008010, 0x00108010, 0x40108000, 0x40000010, 0x40000000, 0x00100000, 0x00008010, 0x40108010, 0x00100010, 0x40108000, 0x40008000, 0x00108010, 0x40108010, 0x00100010, 0x40000010, 0x00000000, 0x40000000, 0x00008010, 0x00100000, 0x40100010, 0x00008000, 0x40000000, 0x00108010, 0x40008010, 0x40108000, 0x00008000, 0x00000000, 0x40000010, 0x00000010, 0x40108010, 0x00108000, 0x40100000, 0x40100010, 0x00100000, 0x00008010, 0x40008000, 0x40008010, 0x00000010, 0x40100000, 0x00108000, }, { /* nibble 2 */ 0x04000001, 0x04040100, 0x00000100, 0x04000101, 0x00040001, 0x04000000, 0x04000101, 0x00040100, 0x04000100, 0x00040000, 0x04040000, 0x00000001, 0x04040101, 0x00000101, 0x00000001, 0x04040001, 0x00000000, 0x00040001, 0x04040100, 0x00000100, 0x00000101, 0x04040101, 0x00040000, 0x04000001, 0x04040001, 0x04000100, 0x00040101, 0x04040000, 0x00040100, 0x00000000, 0x04000000, 0x00040101, 0x04040100, 0x00000100, 0x00000001, 0x00040000, 0x00000101, 0x00040001, 0x04040000, 0x04000101, 0x00000000, 0x04040100, 0x00040100, 0x04040001, 0x00040001, 0x04000000, 0x04040101, 0x00000001, 0x00040101, 0x04000001, 0x04000000, 0x04040101, 0x00040000, 0x04000100, 0x04000101, 0x00040100, 0x04000100, 0x00000000, 0x04040001, 0x00000101, 0x04000001, 0x00040101, 0x00000100, 0x04040000, }, { /* nibble 3 */ 0x00401008, 0x10001000, 0x00000008, 0x10401008, 0x00000000, 0x10400000, 0x10001008, 0x00400008, 0x10401000, 0x10000008, 0x10000000, 0x00001008, 0x10000008, 0x00401008, 0x00400000, 0x10000000, 0x10400008, 0x00401000, 0x00001000, 0x00000008, 0x00401000, 0x10001008, 0x10400000, 0x00001000, 0x00001008, 0x00000000, 0x00400008, 0x10401000, 0x10001000, 0x10400008, 0x10401008, 0x00400000, 0x10400008, 0x00001008, 0x00400000, 0x10000008, 0x00401000, 0x10001000, 0x00000008, 0x10400000, 0x10001008, 0x00000000, 0x00001000, 0x00400008, 0x00000000, 0x10400008, 0x10401000, 0x00001000, 0x10000000, 0x10401008, 0x00401008, 0x00400000, 0x10401008, 0x00000008, 0x10001000, 0x00401008, 0x00400008, 0x00401000, 0x10400000, 0x10001008, 0x00001008, 0x10000000, 0x10000008, 0x10401000, }, { /* nibble 4 */ 0x08000000, 0x00010000, 0x00000400, 0x08010420, 0x08010020, 0x08000400, 0x00010420, 0x08010000, 0x00010000, 0x00000020, 0x08000020, 0x00010400, 0x08000420, 0x08010020, 0x08010400, 0x00000000, 0x00010400, 0x08000000, 0x00010020, 0x00000420, 0x08000400, 0x00010420, 0x00000000, 0x08000020, 0x00000020, 0x08000420, 0x08010420, 0x00010020, 0x08010000, 0x00000400, 0x00000420, 0x08010400, 0x08010400, 0x08000420, 0x00010020, 0x08010000, 0x00010000, 0x00000020, 0x08000020, 0x08000400, 0x08000000, 0x00010400, 0x08010420, 0x00000000, 0x00010420, 0x08000000, 0x00000400, 0x00010020, 0x08000420, 0x00000400, 0x00000000, 0x08010420, 0x08010020, 0x08010400, 0x00000420, 0x00010000, 0x00010400, 0x08010020, 0x08000400, 0x00000420, 0x00000020, 0x00010420, 0x08010000, 0x08000020, }, { /* nibble 5 */ 0x80000040, 0x00200040, 0x00000000, 0x80202000, 0x00200040, 0x00002000, 0x80002040, 0x00200000, 0x00002040, 0x80202040, 0x00202000, 0x80000000, 0x80002000, 0x80000040, 0x80200000, 0x00202040, 0x00200000, 0x80002040, 0x80200040, 0x00000000, 0x00002000, 0x00000040, 0x80202000, 0x80200040, 0x80202040, 0x80200000, 0x80000000, 0x00002040, 0x00000040, 0x00202000, 0x00202040, 0x80002000, 0x00002040, 0x80000000, 0x80002000, 0x00202040, 0x80202000, 0x00200040, 0x00000000, 0x80002000, 0x80000000, 0x00002000, 0x80200040, 0x00200000, 0x00200040, 0x80202040, 0x00202000, 0x00000040, 0x80202040, 0x00202000, 0x00200000, 0x80002040, 0x80000040, 0x80200000, 0x00202040, 0x00000000, 0x00002000, 0x80000040, 0x80002040, 0x80202000, 0x80200000, 0x00002040, 0x00000040, 0x80200040, }, { /* nibble 6 */ 0x00004000, 0x00000200, 0x01000200, 0x01000004, 0x01004204, 0x00004004, 0x00004200, 0x00000000, 0x01000000, 0x01000204, 0x00000204, 0x01004000, 0x00000004, 0x01004200, 0x01004000, 0x00000204, 0x01000204, 0x00004000, 0x00004004, 0x01004204, 0x00000000, 0x01000200, 0x01000004, 0x00004200, 0x01004004, 0x00004204, 0x01004200, 0x00000004, 0x00004204, 0x01004004, 0x00000200, 0x01000000, 0x00004204, 0x01004000, 0x01004004, 0x00000204, 0x00004000, 0x00000200, 0x01000000, 0x01004004, 0x01000204, 0x00004204, 0x00004200, 0x00000000, 0x00000200, 0x01000004, 0x00000004, 0x01000200, 0x00000000, 0x01000204, 0x01000200, 0x00004200, 0x00000204, 0x00004000, 0x01004204, 0x01000000, 0x01004200, 0x00000004, 0x00004004, 0x01004204, 0x01000004, 0x01004200, 0x01004000, 0x00004004, }, { /* nibble 7 */ 0x20800080, 0x20820000, 0x00020080, 0x00000000, 0x20020000, 0x00800080, 0x20800000, 0x20820080, 0x00000080, 0x20000000, 0x00820000, 0x00020080, 0x00820080, 0x20020080, 0x20000080, 0x20800000, 0x00020000, 0x00820080, 0x00800080, 0x20020000, 0x20820080, 0x20000080, 0x00000000, 0x00820000, 0x20000000, 0x00800000, 0x20020080, 0x20800080, 0x00800000, 0x00020000, 0x20820000, 0x00000080, 0x00800000, 0x00020000, 0x20000080, 0x20820080, 0x00020080, 0x20000000, 0x00000000, 0x00820000, 0x20800080, 0x20020080, 0x20020000, 0x00800080, 0x20820000, 0x00000080, 0x00800080, 0x20020000, 0x20820080, 0x00800000, 0x20800000, 0x20000080, 0x00820000, 0x00020080, 0x20020080, 0x20800000, 0x00000080, 0x20820000, 0x00820080, 0x00000000, 0x20000000, 0x20800080, 0x00020000, 0x00820080, }, }; __constant u32a c_skb[8][64] = { { 0x00000000, 0x00000010, 0x20000000, 0x20000010, 0x00010000, 0x00010010, 0x20010000, 0x20010010, 0x00000800, 0x00000810, 0x20000800, 0x20000810, 0x00010800, 0x00010810, 0x20010800, 0x20010810, 0x00000020, 0x00000030, 0x20000020, 0x20000030, 0x00010020, 0x00010030, 0x20010020, 0x20010030, 0x00000820, 0x00000830, 0x20000820, 0x20000830, 0x00010820, 0x00010830, 0x20010820, 0x20010830, 0x00080000, 0x00080010, 0x20080000, 0x20080010, 0x00090000, 0x00090010, 0x20090000, 0x20090010, 0x00080800, 0x00080810, 0x20080800, 0x20080810, 0x00090800, 0x00090810, 0x20090800, 0x20090810, 0x00080020, 0x00080030, 0x20080020, 0x20080030, 0x00090020, 0x00090030, 0x20090020, 0x20090030, 0x00080820, 0x00080830, 0x20080820, 0x20080830, 0x00090820, 0x00090830, 0x20090820, 0x20090830, }, { 0x00000000, 0x02000000, 0x00002000, 0x02002000, 0x00200000, 0x02200000, 0x00202000, 0x02202000, 0x00000004, 0x02000004, 0x00002004, 0x02002004, 0x00200004, 0x02200004, 0x00202004, 0x02202004, 0x00000400, 0x02000400, 0x00002400, 0x02002400, 0x00200400, 0x02200400, 0x00202400, 0x02202400, 0x00000404, 0x02000404, 0x00002404, 0x02002404, 0x00200404, 0x02200404, 0x00202404, 0x02202404, 0x10000000, 0x12000000, 0x10002000, 0x12002000, 0x10200000, 0x12200000, 0x10202000, 0x12202000, 0x10000004, 0x12000004, 0x10002004, 0x12002004, 0x10200004, 0x12200004, 0x10202004, 0x12202004, 0x10000400, 0x12000400, 0x10002400, 0x12002400, 0x10200400, 0x12200400, 0x10202400, 0x12202400, 0x10000404, 0x12000404, 0x10002404, 0x12002404, 0x10200404, 0x12200404, 0x10202404, 0x12202404, }, { 0x00000000, 0x00000001, 0x00040000, 0x00040001, 0x01000000, 0x01000001, 0x01040000, 0x01040001, 0x00000002, 0x00000003, 0x00040002, 0x00040003, 0x01000002, 0x01000003, 0x01040002, 0x01040003, 0x00000200, 0x00000201, 0x00040200, 0x00040201, 0x01000200, 0x01000201, 0x01040200, 0x01040201, 0x00000202, 0x00000203, 0x00040202, 0x00040203, 0x01000202, 0x01000203, 0x01040202, 0x01040203, 0x08000000, 0x08000001, 0x08040000, 0x08040001, 0x09000000, 0x09000001, 0x09040000, 0x09040001, 0x08000002, 0x08000003, 0x08040002, 0x08040003, 0x09000002, 0x09000003, 0x09040002, 0x09040003, 0x08000200, 0x08000201, 0x08040200, 0x08040201, 0x09000200, 0x09000201, 0x09040200, 0x09040201, 0x08000202, 0x08000203, 0x08040202, 0x08040203, 0x09000202, 0x09000203, 0x09040202, 0x09040203, }, { 0x00000000, 0x00100000, 0x00000100, 0x00100100, 0x00000008, 0x00100008, 0x00000108, 0x00100108, 0x00001000, 0x00101000, 0x00001100, 0x00101100, 0x00001008, 0x00101008, 0x00001108, 0x00101108, 0x04000000, 0x04100000, 0x04000100, 0x04100100, 0x04000008, 0x04100008, 0x04000108, 0x04100108, 0x04001000, 0x04101000, 0x04001100, 0x04101100, 0x04001008, 0x04101008, 0x04001108, 0x04101108, 0x00020000, 0x00120000, 0x00020100, 0x00120100, 0x00020008, 0x00120008, 0x00020108, 0x00120108, 0x00021000, 0x00121000, 0x00021100, 0x00121100, 0x00021008, 0x00121008, 0x00021108, 0x00121108, 0x04020000, 0x04120000, 0x04020100, 0x04120100, 0x04020008, 0x04120008, 0x04020108, 0x04120108, 0x04021000, 0x04121000, 0x04021100, 0x04121100, 0x04021008, 0x04121008, 0x04021108, 0x04121108, }, { 0x00000000, 0x10000000, 0x00010000, 0x10010000, 0x00000004, 0x10000004, 0x00010004, 0x10010004, 0x20000000, 0x30000000, 0x20010000, 0x30010000, 0x20000004, 0x30000004, 0x20010004, 0x30010004, 0x00100000, 0x10100000, 0x00110000, 0x10110000, 0x00100004, 0x10100004, 0x00110004, 0x10110004, 0x20100000, 0x30100000, 0x20110000, 0x30110000, 0x20100004, 0x30100004, 0x20110004, 0x30110004, 0x00001000, 0x10001000, 0x00011000, 0x10011000, 0x00001004, 0x10001004, 0x00011004, 0x10011004, 0x20001000, 0x30001000, 0x20011000, 0x30011000, 0x20001004, 0x30001004, 0x20011004, 0x30011004, 0x00101000, 0x10101000, 0x00111000, 0x10111000, 0x00101004, 0x10101004, 0x00111004, 0x10111004, 0x20101000, 0x30101000, 0x20111000, 0x30111000, 0x20101004, 0x30101004, 0x20111004, 0x30111004, }, { 0x00000000, 0x08000000, 0x00000008, 0x08000008, 0x00000400, 0x08000400, 0x00000408, 0x08000408, 0x00020000, 0x08020000, 0x00020008, 0x08020008, 0x00020400, 0x08020400, 0x00020408, 0x08020408, 0x00000001, 0x08000001, 0x00000009, 0x08000009, 0x00000401, 0x08000401, 0x00000409, 0x08000409, 0x00020001, 0x08020001, 0x00020009, 0x08020009, 0x00020401, 0x08020401, 0x00020409, 0x08020409, 0x02000000, 0x0A000000, 0x02000008, 0x0A000008, 0x02000400, 0x0A000400, 0x02000408, 0x0A000408, 0x02020000, 0x0A020000, 0x02020008, 0x0A020008, 0x02020400, 0x0A020400, 0x02020408, 0x0A020408, 0x02000001, 0x0A000001, 0x02000009, 0x0A000009, 0x02000401, 0x0A000401, 0x02000409, 0x0A000409, 0x02020001, 0x0A020001, 0x02020009, 0x0A020009, 0x02020401, 0x0A020401, 0x02020409, 0x0A020409, }, { 0x00000000, 0x00000100, 0x00080000, 0x00080100, 0x01000000, 0x01000100, 0x01080000, 0x01080100, 0x00000010, 0x00000110, 0x00080010, 0x00080110, 0x01000010, 0x01000110, 0x01080010, 0x01080110, 0x00200000, 0x00200100, 0x00280000, 0x00280100, 0x01200000, 0x01200100, 0x01280000, 0x01280100, 0x00200010, 0x00200110, 0x00280010, 0x00280110, 0x01200010, 0x01200110, 0x01280010, 0x01280110, 0x00000200, 0x00000300, 0x00080200, 0x00080300, 0x01000200, 0x01000300, 0x01080200, 0x01080300, 0x00000210, 0x00000310, 0x00080210, 0x00080310, 0x01000210, 0x01000310, 0x01080210, 0x01080310, 0x00200200, 0x00200300, 0x00280200, 0x00280300, 0x01200200, 0x01200300, 0x01280200, 0x01280300, 0x00200210, 0x00200310, 0x00280210, 0x00280310, 0x01200210, 0x01200310, 0x01280210, 0x01280310, }, { 0x00000000, 0x04000000, 0x00040000, 0x04040000, 0x00000002, 0x04000002, 0x00040002, 0x04040002, 0x00002000, 0x04002000, 0x00042000, 0x04042000, 0x00002002, 0x04002002, 0x00042002, 0x04042002, 0x00000020, 0x04000020, 0x00040020, 0x04040020, 0x00000022, 0x04000022, 0x00040022, 0x04040022, 0x00002020, 0x04002020, 0x00042020, 0x04042020, 0x00002022, 0x04002022, 0x00042022, 0x04042022, 0x00000800, 0x04000800, 0x00040800, 0x04040800, 0x00000802, 0x04000802, 0x00040802, 0x04040802, 0x00002800, 0x04002800, 0x00042800, 0x04042800, 0x00002802, 0x04002802, 0x00042802, 0x04042802, 0x00000820, 0x04000820, 0x00040820, 0x04040820, 0x00000822, 0x04000822, 0x00040822, 0x04040822, 0x00002820, 0x04002820, 0x00042820, 0x04042820, 0x00002822, 0x04002822, 0x00042822, 0x04042822 } }; #define PERM_OP(a,b,n,m) \ { \ u32x t; \ t = a >> n; \ t = t ^ b; \ t = t & m; \ b = b ^ t; \ t = t << n; \ a = a ^ t; \ } #define HPERM_OP(a,n,m) \ { \ u32x t; \ t = a << (16 + n); \ t = t ^ a; \ t = t & m; \ a = a ^ t; \ t = t >> (16 + n); \ a = a ^ t; \ } #define DES_IP(l,r) \ { \ PERM_OP (r, l, 4, 0x0f0f0f0f); \ PERM_OP (l, r, 16, 0x0000ffff); \ PERM_OP (r, l, 2, 0x33333333); \ PERM_OP (l, r, 8, 0x00ff00ff); \ PERM_OP (r, l, 1, 0x55555555); \ } #define DES_FP(l,r) \ { \ PERM_OP (l, r, 1, 0x55555555); \ PERM_OP (r, l, 8, 0x00ff00ff); \ PERM_OP (l, r, 2, 0x33333333); \ PERM_OP (r, l, 16, 0x0000ffff); \ PERM_OP (l, r, 4, 0x0f0f0f0f); \ } #if VECT_SIZE == 1 #define DES_BOX(i,n,S) (S)[(n)][(i)] #elif VECT_SIZE == 2 #define DES_BOX(i,n,S) (u32x) ((S)[(n)][(i).s0], (S)[(n)][(i).s1]) #elif VECT_SIZE == 4 #define DES_BOX(i,n,S) (u32x) ((S)[(n)][(i).s0], (S)[(n)][(i).s1], (S)[(n)][(i).s2], (S)[(n)][(i).s3]) #elif VECT_SIZE == 8 #define DES_BOX(i,n,S) (u32x) ((S)[(n)][(i).s0], (S)[(n)][(i).s1], (S)[(n)][(i).s2], (S)[(n)][(i).s3], (S)[(n)][(i).s4], (S)[(n)][(i).s5], (S)[(n)][(i).s6], (S)[(n)][(i).s7]) #elif VECT_SIZE == 16 #define DES_BOX(i,n,S) (u32x) ((S)[(n)][(i).s0], (S)[(n)][(i).s1], (S)[(n)][(i).s2], (S)[(n)][(i).s3], (S)[(n)][(i).s4], (S)[(n)][(i).s5], (S)[(n)][(i).s6], (S)[(n)][(i).s7], (S)[(n)][(i).s8], (S)[(n)][(i).s9], (S)[(n)][(i).sa], (S)[(n)][(i).sb], (S)[(n)][(i).sc], (S)[(n)][(i).sd], (S)[(n)][(i).se], (S)[(n)][(i).sf]) #endif DECLSPEC void _des_crypt_encrypt (u32x *iv, u32x *data, u32x *Kc, u32x *Kd, SHM_TYPE u32 (*s_SPtrans)[64]); DECLSPEC void _des_crypt_encrypt (u32x *iv, u32x *data, u32x *Kc, u32x *Kd, SHM_TYPE u32 (*s_SPtrans)[64]) { u32x r = data[0]; u32x l = data[1]; DES_IP (r, l); r = rotl32 (r, 3u); l = rotl32 (l, 3u); for (u32 i = 0; i < 16; i += 2) { u32x u; u32x t; u = Kc[i + 0] ^ r; t = Kd[i + 0] ^ rotl32 (r, 28u); l ^= DES_BOX (((u >> 2) & 0x3f), 0, s_SPtrans) | DES_BOX (((u >> 10) & 0x3f), 2, s_SPtrans) | DES_BOX (((u >> 18) & 0x3f), 4, s_SPtrans) | DES_BOX (((u >> 26) & 0x3f), 6, s_SPtrans) | DES_BOX (((t >> 2) & 0x3f), 1, s_SPtrans) | DES_BOX (((t >> 10) & 0x3f), 3, s_SPtrans) | DES_BOX (((t >> 18) & 0x3f), 5, s_SPtrans) | DES_BOX (((t >> 26) & 0x3f), 7, s_SPtrans); u = Kc[i + 1] ^ l; t = Kd[i + 1] ^ rotl32 (l, 28u); r ^= DES_BOX (((u >> 2) & 0x3f), 0, s_SPtrans) | DES_BOX (((u >> 10) & 0x3f), 2, s_SPtrans) | DES_BOX (((u >> 18) & 0x3f), 4, s_SPtrans) | DES_BOX (((u >> 26) & 0x3f), 6, s_SPtrans) | DES_BOX (((t >> 2) & 0x3f), 1, s_SPtrans) | DES_BOX (((t >> 10) & 0x3f), 3, s_SPtrans) | DES_BOX (((t >> 18) & 0x3f), 5, s_SPtrans) | DES_BOX (((t >> 26) & 0x3f), 7, s_SPtrans); } l = rotl32 (l, 29u); r = rotl32 (r, 29u); DES_FP (r, l); iv[0] = l; iv[1] = r; } DECLSPEC void _des_crypt_decrypt (u32x *iv, u32x *data, u32x *Kc, u32x *Kd, SHM_TYPE u32 (*s_SPtrans)[64]); DECLSPEC void _des_crypt_decrypt (u32x *iv, u32x *data, u32x *Kc, u32x *Kd, SHM_TYPE u32 (*s_SPtrans)[64]) { u32x r = data[0]; u32x l = data[1]; DES_IP (r, l); r = rotl32 (r, 3u); l = rotl32 (l, 3u); for (u32 i = 16; i > 0; i -= 2) { u32x u; u32x t; u = Kc[i - 1] ^ r; t = Kd[i - 1] ^ rotl32 (r, 28u); l ^= DES_BOX (((u >> 2) & 0x3f), 0, s_SPtrans) | DES_BOX (((u >> 10) & 0x3f), 2, s_SPtrans) | DES_BOX (((u >> 18) & 0x3f), 4, s_SPtrans) | DES_BOX (((u >> 26) & 0x3f), 6, s_SPtrans) | DES_BOX (((t >> 2) & 0x3f), 1, s_SPtrans) | DES_BOX (((t >> 10) & 0x3f), 3, s_SPtrans) | DES_BOX (((t >> 18) & 0x3f), 5, s_SPtrans) | DES_BOX (((t >> 26) & 0x3f), 7, s_SPtrans); u = Kc[i - 2] ^ l; t = Kd[i - 2] ^ rotl32 (l, 28u); r ^= DES_BOX (((u >> 2) & 0x3f), 0, s_SPtrans) | DES_BOX (((u >> 10) & 0x3f), 2, s_SPtrans) | DES_BOX (((u >> 18) & 0x3f), 4, s_SPtrans) | DES_BOX (((u >> 26) & 0x3f), 6, s_SPtrans) | DES_BOX (((t >> 2) & 0x3f), 1, s_SPtrans) | DES_BOX (((t >> 10) & 0x3f), 3, s_SPtrans) | DES_BOX (((t >> 18) & 0x3f), 5, s_SPtrans) | DES_BOX (((t >> 26) & 0x3f), 7, s_SPtrans); } l = rotl32 (l, 29u); r = rotl32 (r, 29u); DES_FP (r, l); iv[0] = l; iv[1] = r; } DECLSPEC void _des_crypt_keysetup (u32x c, u32x d, u32x *Kc, u32x *Kd, SHM_TYPE u32 (*s_skb)[64]); DECLSPEC void _des_crypt_keysetup (u32x c, u32x d, u32x *Kc, u32x *Kd, SHM_TYPE u32 (*s_skb)[64]) { PERM_OP (d, c, 4, 0x0f0f0f0f); HPERM_OP (c, 2, 0xcccc0000); HPERM_OP (d, 2, 0xcccc0000); PERM_OP (d, c, 1, 0x55555555); PERM_OP (c, d, 8, 0x00ff00ff); PERM_OP (d, c, 1, 0x55555555); d = ((d & 0x000000ff) << 16) | ((d & 0x0000ff00) << 0) | ((d & 0x00ff0000) >> 16) | ((c & 0xf0000000) >> 4); c = c & 0x0fffffff; for (u32 i = 0; i < 16; i++) { if ((i < 2) || (i == 8) || (i == 15)) { c = ((c >> 1) | (c << 27)); d = ((d >> 1) | (d << 27)); } else { c = ((c >> 2) | (c << 26)); d = ((d >> 2) | (d << 26)); } c = c & 0x0fffffff; d = d & 0x0fffffff; const u32x c00 = (c >> 0) & 0x0000003f; const u32x c06 = (c >> 6) & 0x00383003; const u32x c07 = (c >> 7) & 0x0000003c; const u32x c13 = (c >> 13) & 0x0000060f; const u32x c20 = (c >> 20) & 0x00000001; u32x s = DES_BOX (((c00 >> 0) & 0xff), 0, s_skb) | DES_BOX (((c06 >> 0) & 0xff) |((c07 >> 0) & 0xff), 1, s_skb) | DES_BOX (((c13 >> 0) & 0xff) |((c06 >> 8) & 0xff), 2, s_skb) | DES_BOX (((c20 >> 0) & 0xff) |((c13 >> 8) & 0xff) |((c06 >> 16) & 0xff), 3, s_skb); const u32x d00 = (d >> 0) & 0x00003c3f; const u32x d07 = (d >> 7) & 0x00003f03; const u32x d21 = (d >> 21) & 0x0000000f; const u32x d22 = (d >> 22) & 0x00000030; u32x t = DES_BOX (((d00 >> 0) & 0xff), 4, s_skb) | DES_BOX (((d07 >> 0) & 0xff) |((d00 >> 8) & 0xff), 5, s_skb) | DES_BOX (((d07 >> 8) & 0xff), 6, s_skb) | DES_BOX (((d21 >> 0) & 0xff) |((d22 >> 0) & 0xff), 7, s_skb); Kc[i] = ((t << 16) | (s & 0x0000ffff)); Kd[i] = ((s >> 16) | (t & 0xffff0000)); Kc[i] = rotl32 (Kc[i], 2u); Kd[i] = rotl32 (Kd[i], 2u); } }