#ifndef _DES_H #define _DES_H #ifdef __cplusplus extern "C" { #endif /************************************************************************ The following files are added for DES Algorithm des.h des.cpp ************************************************************************/ //#include /* openssl-0.9.7d opensslconf.h */ #define DES_LONG unsigned long /* openssl-0.9.7d des.h */ #define DES_ENCRYPT 1 #define DES_DECRYPT 0 typedef unsigned char DES_cblock[8]; typedef struct DES_ks { union { DES_cblock cblock; /* make sure things are correct size on machines with * 8 byte longs */ DES_LONG deslong[2]; } ks[16]; } DES_key_schedule; /* openssl-0.9.7d des_locl.h */ #define ITERATIONS 16 #define c2l(c,l) (l =((DES_LONG)(*((c)++))) , \ l|=((DES_LONG)(*((c)++)))<< 8L, \ l|=((DES_LONG)(*((c)++)))<<16L, \ l|=((DES_LONG)(*((c)++)))<<24L) #define c2ln(c,l1,l2,n) { \ c+=n; \ l1=l2=0; \ switch (n) { \ case 8: l2 =((DES_LONG)(*(--(c))))<<24L; \ case 7: l2|=((DES_LONG)(*(--(c))))<<16L; \ case 6: l2|=((DES_LONG)(*(--(c))))<< 8L; \ case 5: l2|=((DES_LONG)(*(--(c)))); \ case 4: l1 =((DES_LONG)(*(--(c))))<<24L; \ case 3: l1|=((DES_LONG)(*(--(c))))<<16L; \ case 2: l1|=((DES_LONG)(*(--(c))))<< 8L; \ case 1: l1|=((DES_LONG)(*(--(c)))); \ } \ } #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ *((c)++)=(unsigned char)(((l)>>16L)&0xff), \ *((c)++)=(unsigned char)(((l)>>24L)&0xff)) #define l2cn(l1,l2,c,n) { \ c+=n; \ switch (n) { \ case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ } \ } #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),\ (b)^=(t),\ (a)^=((t)<<(n))) #define IP(l,r) \ { \ register DES_LONG tt; \ PERM_OP(r,l,tt, 4,0x0f0f0f0fL); \ PERM_OP(l,r,tt,16,0x0000ffffL); \ PERM_OP(r,l,tt, 2,0x33333333L); \ PERM_OP(l,r,tt, 8,0x00ff00ffL); \ PERM_OP(r,l,tt, 1,0x55555555L); \ } #define FP(l,r) \ { \ register DES_LONG tt; \ PERM_OP(l,r,tt, 1,0x55555555L); \ PERM_OP(r,l,tt, 8,0x00ff00ffL); \ PERM_OP(l,r,tt, 2,0x33333333L); \ PERM_OP(r,l,tt,16,0x0000ffffL); \ PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \ } #define ROTATE(a,n) (((a)>>(n))+((a)<<(32-(n)))) #define LOAD_DATA_tmp(a,b,c,d,e,f) LOAD_DATA(a,b,c,d,e,f,g) #define LOAD_DATA(R,S,u,t,E0,E1,tmp) \ u=R^s[S ]; \ t=R^s[S+1] #define D_ENCRYPT(LL,R,S) {\ LOAD_DATA_tmp(R,S,u,t,E0,E1); \ t=ROTATE(t,4); \ LL^=\ DES_SPtrans[0][(u>> 2L)&0x3f]^ \ DES_SPtrans[2][(u>>10L)&0x3f]^ \ DES_SPtrans[4][(u>>18L)&0x3f]^ \ DES_SPtrans[6][(u>>26L)&0x3f]^ \ DES_SPtrans[1][(t>> 2L)&0x3f]^ \ DES_SPtrans[3][(t>>10L)&0x3f]^ \ DES_SPtrans[5][(t>>18L)&0x3f]^ \ DES_SPtrans[7][(t>>26L)&0x3f]; } /* openssl-0.9.7d set_key.c */ #define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),\ (a)=(a)^(t)^(t>>(16-(n)))) static const DES_LONG des_skb[8][64]={ { /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ 0x00000000L,0x00000010L,0x20000000L,0x20000010L, 0x00010000L,0x00010010L,0x20010000L,0x20010010L, 0x00000800L,0x00000810L,0x20000800L,0x20000810L, 0x00010800L,0x00010810L,0x20010800L,0x20010810L, 0x00000020L,0x00000030L,0x20000020L,0x20000030L, 0x00010020L,0x00010030L,0x20010020L,0x20010030L, 0x00000820L,0x00000830L,0x20000820L,0x20000830L, 0x00010820L,0x00010830L,0x20010820L,0x20010830L, 0x00080000L,0x00080010L,0x20080000L,0x20080010L, 0x00090000L,0x00090010L,0x20090000L,0x20090010L, 0x00080800L,0x00080810L,0x20080800L,0x20080810L, 0x00090800L,0x00090810L,0x20090800L,0x20090810L, 0x00080020L,0x00080030L,0x20080020L,0x20080030L, 0x00090020L,0x00090030L,0x20090020L,0x20090030L, 0x00080820L,0x00080830L,0x20080820L,0x20080830L, 0x00090820L,0x00090830L,0x20090820L,0x20090830L, },{ /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ 0x00000000L,0x02000000L,0x00002000L,0x02002000L, 0x00200000L,0x02200000L,0x00202000L,0x02202000L, 0x00000004L,0x02000004L,0x00002004L,0x02002004L, 0x00200004L,0x02200004L,0x00202004L,0x02202004L, 0x00000400L,0x02000400L,0x00002400L,0x02002400L, 0x00200400L,0x02200400L,0x00202400L,0x02202400L, 0x00000404L,0x02000404L,0x00002404L,0x02002404L, 0x00200404L,0x02200404L,0x00202404L,0x02202404L, 0x10000000L,0x12000000L,0x10002000L,0x12002000L, 0x10200000L,0x12200000L,0x10202000L,0x12202000L, 0x10000004L,0x12000004L,0x10002004L,0x12002004L, 0x10200004L,0x12200004L,0x10202004L,0x12202004L, 0x10000400L,0x12000400L,0x10002400L,0x12002400L, 0x10200400L,0x12200400L,0x10202400L,0x12202400L, 0x10000404L,0x12000404L,0x10002404L,0x12002404L, 0x10200404L,0x12200404L,0x10202404L,0x12202404L, },{ /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ 0x00000000L,0x00000001L,0x00040000L,0x00040001L, 0x01000000L,0x01000001L,0x01040000L,0x01040001L, 0x00000002L,0x00000003L,0x00040002L,0x00040003L, 0x01000002L,0x01000003L,0x01040002L,0x01040003L, 0x00000200L,0x00000201L,0x00040200L,0x00040201L, 0x01000200L,0x01000201L,0x01040200L,0x01040201L, 0x00000202L,0x00000203L,0x00040202L,0x00040203L, 0x01000202L,0x01000203L,0x01040202L,0x01040203L, 0x08000000L,0x08000001L,0x08040000L,0x08040001L, 0x09000000L,0x09000001L,0x09040000L,0x09040001L, 0x08000002L,0x08000003L,0x08040002L,0x08040003L, 0x09000002L,0x09000003L,0x09040002L,0x09040003L, 0x08000200L,0x08000201L,0x08040200L,0x08040201L, 0x09000200L,0x09000201L,0x09040200L,0x09040201L, 0x08000202L,0x08000203L,0x08040202L,0x08040203L, 0x09000202L,0x09000203L,0x09040202L,0x09040203L, },{ /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ 0x00000000L,0x00100000L,0x00000100L,0x00100100L, 0x00000008L,0x00100008L,0x00000108L,0x00100108L, 0x00001000L,0x00101000L,0x00001100L,0x00101100L, 0x00001008L,0x00101008L,0x00001108L,0x00101108L, 0x04000000L,0x04100000L,0x04000100L,0x04100100L, 0x04000008L,0x04100008L,0x04000108L,0x04100108L, 0x04001000L,0x04101000L,0x04001100L,0x04101100L, 0x04001008L,0x04101008L,0x04001108L,0x04101108L, 0x00020000L,0x00120000L,0x00020100L,0x00120100L, 0x00020008L,0x00120008L,0x00020108L,0x00120108L, 0x00021000L,0x00121000L,0x00021100L,0x00121100L, 0x00021008L,0x00121008L,0x00021108L,0x00121108L, 0x04020000L,0x04120000L,0x04020100L,0x04120100L, 0x04020008L,0x04120008L,0x04020108L,0x04120108L, 0x04021000L,0x04121000L,0x04021100L,0x04121100L, 0x04021008L,0x04121008L,0x04021108L,0x04121108L, },{ /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ 0x00000000L,0x10000000L,0x00010000L,0x10010000L, 0x00000004L,0x10000004L,0x00010004L,0x10010004L, 0x20000000L,0x30000000L,0x20010000L,0x30010000L, 0x20000004L,0x30000004L,0x20010004L,0x30010004L, 0x00100000L,0x10100000L,0x00110000L,0x10110000L, 0x00100004L,0x10100004L,0x00110004L,0x10110004L, 0x20100000L,0x30100000L,0x20110000L,0x30110000L, 0x20100004L,0x30100004L,0x20110004L,0x30110004L, 0x00001000L,0x10001000L,0x00011000L,0x10011000L, 0x00001004L,0x10001004L,0x00011004L,0x10011004L, 0x20001000L,0x30001000L,0x20011000L,0x30011000L, 0x20001004L,0x30001004L,0x20011004L,0x30011004L, 0x00101000L,0x10101000L,0x00111000L,0x10111000L, 0x00101004L,0x10101004L,0x00111004L,0x10111004L, 0x20101000L,0x30101000L,0x20111000L,0x30111000L, 0x20101004L,0x30101004L,0x20111004L,0x30111004L, },{ /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ 0x00000000L,0x08000000L,0x00000008L,0x08000008L, 0x00000400L,0x08000400L,0x00000408L,0x08000408L, 0x00020000L,0x08020000L,0x00020008L,0x08020008L, 0x00020400L,0x08020400L,0x00020408L,0x08020408L, 0x00000001L,0x08000001L,0x00000009L,0x08000009L, 0x00000401L,0x08000401L,0x00000409L,0x08000409L, 0x00020001L,0x08020001L,0x00020009L,0x08020009L, 0x00020401L,0x08020401L,0x00020409L,0x08020409L, 0x02000000L,0x0A000000L,0x02000008L,0x0A000008L, 0x02000400L,0x0A000400L,0x02000408L,0x0A000408L, 0x02020000L,0x0A020000L,0x02020008L,0x0A020008L, 0x02020400L,0x0A020400L,0x02020408L,0x0A020408L, 0x02000001L,0x0A000001L,0x02000009L,0x0A000009L, 0x02000401L,0x0A000401L,0x02000409L,0x0A000409L, 0x02020001L,0x0A020001L,0x02020009L,0x0A020009L, 0x02020401L,0x0A020401L,0x02020409L,0x0A020409L, },{ /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ 0x00000000L,0x00000100L,0x00080000L,0x00080100L, 0x01000000L,0x01000100L,0x01080000L,0x01080100L, 0x00000010L,0x00000110L,0x00080010L,0x00080110L, 0x01000010L,0x01000110L,0x01080010L,0x01080110L, 0x00200000L,0x00200100L,0x00280000L,0x00280100L, 0x01200000L,0x01200100L,0x01280000L,0x01280100L, 0x00200010L,0x00200110L,0x00280010L,0x00280110L, 0x01200010L,0x01200110L,0x01280010L,0x01280110L, 0x00000200L,0x00000300L,0x00080200L,0x00080300L, 0x01000200L,0x01000300L,0x01080200L,0x01080300L, 0x00000210L,0x00000310L,0x00080210L,0x00080310L, 0x01000210L,0x01000310L,0x01080210L,0x01080310L, 0x00200200L,0x00200300L,0x00280200L,0x00280300L, 0x01200200L,0x01200300L,0x01280200L,0x01280300L, 0x00200210L,0x00200310L,0x00280210L,0x00280310L, 0x01200210L,0x01200310L,0x01280210L,0x01280310L, },{ /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ 0x00000000L,0x04000000L,0x00040000L,0x04040000L, 0x00000002L,0x04000002L,0x00040002L,0x04040002L, 0x00002000L,0x04002000L,0x00042000L,0x04042000L, 0x00002002L,0x04002002L,0x00042002L,0x04042002L, 0x00000020L,0x04000020L,0x00040020L,0x04040020L, 0x00000022L,0x04000022L,0x00040022L,0x04040022L, 0x00002020L,0x04002020L,0x00042020L,0x04042020L, 0x00002022L,0x04002022L,0x00042022L,0x04042022L, 0x00000800L,0x04000800L,0x00040800L,0x04040800L, 0x00000802L,0x04000802L,0x00040802L,0x04040802L, 0x00002800L,0x04002800L,0x00042800L,0x04042800L, 0x00002802L,0x04002802L,0x00042802L,0x04042802L, 0x00000820L,0x04000820L,0x00040820L,0x04040820L, 0x00000822L,0x04000822L,0x00040822L,0x04040822L, 0x00002820L,0x04002820L,0x00042820L,0x04042820L, 0x00002822L,0x04002822L,0x00042822L,0x04042822L, }}; /************************************************************************/ /* des.cpp interface */ /************************************************************************/ //wrapper void DES_ecb_enc(const DES_cblock *input, DES_cblock *output, const DES_cblock *key, int keycheck,int enc); void DES_cbc_enc(const unsigned char *in, unsigned char *out, long length, const DES_cblock *key, DES_cblock *ivec, int keycheck,int enc); void DES3_ecb_enc(const DES_cblock *input, DES_cblock *output, const DES_cblock *key1,const DES_cblock *key2,const DES_cblock *key3, int keycheck,int enc); void DES3_cbc_enc(const unsigned char *in, unsigned char *out, long length, const DES_cblock *key1,const DES_cblock *key2,const DES_cblock *key3, DES_cblock *ivec, int keycheck,int enc); //openssl prototype int DES_set_key_checked(const DES_cblock *key, DES_key_schedule *schedule); void DES_set_key_unchecked(const DES_cblock *key, DES_key_schedule *schedule); void DES_ecb_encrypt(const DES_cblock *input, DES_cblock *output, DES_key_schedule *ks, int enc); void DES_ncbc_encrypt(const unsigned char *in, unsigned char *out, long length, DES_key_schedule *_schedule, DES_cblock *ivec, int enc); void DES_ecb3_encrypt(const DES_cblock *input, DES_cblock *output, DES_key_schedule *ks1,DES_key_schedule *ks2, DES_key_schedule *ks3, int enc); void DES_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output, long length, DES_key_schedule *ks1,DES_key_schedule *ks2, DES_key_schedule *ks3,DES_cblock *ivec,int enc); #ifdef __cplusplus } #endif #endif //_DES_H