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 | 作者: qiuyang [qiuyang]
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| 作者：FLASHSKY NT/2000的密码散列也叫OWF，其实这个散列的作用很大，任何密码都会先生成散列进行保存，在网络认证的时候，也会使用散列。 但是关于NT/2000的密码散列虽然有很多的介绍，但是却缺乏具体的算法，影响了对于其算法安全性的研究，这里就是通过反汇编获得的密码到散列的实现。 NT/2000的密码散列其实由2部分组成，一部分是通过变形DES算法，使用密码的大写OEM格式作为密钥（分成2个KEY，每个KEY7字节，用0补足14个字节），通过DESECB方式获得一个128位的密钥，加密特殊字符串“KGS!@#$%”获得的一个16字节长度的值。另一部分则是使用MD4对密码的UNICODE形式进行加密获得的一个散列，下面就是具体的算法代码，提供给大家做进一步深入的研究： //注：DES的算法与标准DES的算法有如下不同 //与标准DES的SPBOX不同 //与标准DES的ECB生成算法不同，DESKEY不同，标准的是生成64位字节，而他是生成128位字节 //标准的DES一次是8字节块加密8字节再循环，而他是16字节一次 //关于MD4的实现，我这里没有标准MD4的算法实现和说明，但是有MD5的，按照MD4与MD5的区别中，好象算法还是有很多改变。 //因为按照标准的MD5的说法，每轮当中的每次计算，除了参数不同，函数算法是一致的，但其实他的实现是不同的。 void passtoowf(wchar_t * password); void initLMP(char * pass,unsigned char * LM); void deskey(char * LmPass,unsigned char * desecb); void des(unsigned char * LM,char * magic,unsigned char * ecb,long no); void md4init(unsigned char * LM); void md4(unsigned char * LM); void initMDP(PLSA_UNICODE_STRING pass,unsigned char * LM); typedef DWORD (CALLBACK* RTLUPCASEUNICODESTRINGTOOEMSTRING)(PLSA_UNICODE_STRING, PLSA_UNICODE_STRING, DWORD); RTLUPCASEUNICODESTRINGTOOEMSTRING RtlUpcaseUnicodeStringToOemString; unsigned char DESParity[]={0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4}; unsigned char DESDShift[]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0, 0x64,0xCC,0xF9,0x29,0xDF,0xDE,0x86,0x4A,0x81,0x84,9,0x3C,0,0,0,0, 0xFB,0x99,0xE9,8,0xEC,0x87,0x67,0x2F,0x59,0x0FD,0x22,0xF1}; DWORD DESKEY1[]={ 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}; DWORD DESKEY2[]={ 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}; DWORD DESKEY3[]={ 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}; DWORD DESKEY4[]={ 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}; DWORD DESKEY5[]={ 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}; DWORD DESKEY6[]={ 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}; DWORD DESKEY7[]={ 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}; DWORD DESKEY8[]={ 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}; DWORD DESSpBox1[]={ 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}; DWORD DESSpBox2[]={ 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}; DWORD DESSpBox3[]={ 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}; DWORD DESSpBox4[]={ 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}; DWORD DESSpBox5[]={ 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}; DWORD DESSpBox6[]={ 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}; DWORD DESSpBox7[]={ 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}; DWORD DESSpBox8[]={ 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}; void wmain() { HMODULE hNtdll = NULL; hNtdll = LoadLibrary( "ntdll.dll" ); if ( !hNtdll ) { printf( "LoadLibrary( NTDLL.DLL ) Error:%d\n", GetLastError() ); return ; } RtlUpcaseUnicodeStringToOemString = (RTLUPCASEUNICODESTRINGTOOEMSTRING) GetProcAddress( hNtdll, "RtlUpcaseUnicodeStringToOemString"); passtoowf(L"test"); } void passtoowf(wchar_t * password) { int len; int i; LSA_UNICODE_STRING pass; LSA_UNICODE_STRING opass; unsigned char upassword[0x10]; unsigned char LM[0x20]; len=0; for(i=0;i<0x20;i++) { if(password[i]==0 ) break; len=len+2; } if(len>28) { printf("password <=14"); return; } pass.Length=len; pass.MaximumLength=len; pass.Buffer=password; opass.MaximumLength=0xf; opass.Buffer=upassword; memset(upassword,0,0x10); RtlUpcaseUnicodeStringToOemString(&opass,&pass,0); initLMP(upassword,LM+0x10); initLMP(upassword+7,LM+0x18); initMDP(&pass,LM); printf("MD4:\n"); for(i=0;i<16;i++) printf("%02X",LM[i]); printf(" DES:"); for(i=0;i<16;i++) printf("%02X",LM[16+i]); } void initLMP(char * pass,unsigned char * LM) { char LmPass[0x20]; unsigned char desecb[128]; DWORD d1,d2; unsigned char a1,a2; char a3[]={1,3,7,0xf,0x1f,0x3f,0x7f}; int i; char magic1[8]="KGS!@#$%"; for(i=0;i<8;i++) { if(i==0) { a1=pass[0]; LmPass[0]=a1>>1; } else if(i==7) { a1=pass[i-1]; a1=a1&a3[i-1]; LmPass[i]=a1; } else { a1=pass[i-1]; a2=pass[i]; a1=a1&a3[i-1]; a1=a1<<(7-i); a2=a2>>(i+1); LmPass[i]=a1|a2; } } d1=*(DWORD *)LmPass; d2=*(DWORD *)(LmPass+4); d1=(d1&0xff7f7f7f)<<1; d2=(d2&0xff7f7f7f)<<1; *(DWORD *)LmPass=d1; *(DWORD *)(LmPass+4)=d2; // for(i=0;i<8;i++) { a1=LmPass[i]; a2=a1; a1=a1&0xf; a2=a2>>4; a2=DESParity[a2]; a1=DESParity[a1]; a2=a1+a2; a2=a2^a1; a2=a2-a1; a2=a2&1; a2=a2^a1; a2=a2-a1; if(a2==0) LmPass[i]=LmPass[i]^1; } deskey(LmPass,desecb); des(LM,magic1,desecb,1); } void deskey(char * LmPass,unsigned char * desecb) { int i; unsigned char a1; DWORD d1,d2,d3,d4,d5,d6; d1=*(DWORD *)LmPass; d2=*(DWORD *)(LmPass+4); d2=d2>>4; d1=d1&0xf0f0f0f; d2=d2&0xf0f0f0f; d2=d2^d1; d1=*(DWORD *)LmPass^d2; d2=d2<<4; d2=*(DWORD *)(LmPass+4)^d2; d3=d1&0xfffff333; d3=d3<<0x12; d4=d1&0xcccc0000; d4=d4^d3; d3=d4; d3=d3>>0x12; d3=d3^d4; d1=d1^d3; d3=d2&0xfffff333; d3=d3<<0x12; d4=d2&0xcccc0000; d4=d4^d3; d3=d3>>0x12; d3=d3^d4; d2=d2^d3; d3=d1; d4=d2>>1; d3=d3&0x55555555; d4=d4&0x55555555; d4=d4^d3; d1=d1^d4; d4=d4+d4; d2=d2^d4; d4=d1>>8; d3=d2&0xff00ff; d4=d4&0xff00ff; d4=d4^d3; d2=d2^d4; d4=d4<<8; d1=d1^d4; d4=d2>>1; d3=d1; d3=d3&0x55555555; d4=d4&0x55555555; d4=d4^d3; d1=d1^d4; d4=d4+d4; d2=d2^d4; d3=d1&0xf000000f; d4=(d2>>0xc)&0xff0; d1=d1&0x0fffffff; d3=(d3|d4)>>4; d4=d2&0xff00; d2=(d2&0xff)<<0x10; d3=d3|d4; d3=d3|d2; for(i=0;i<16;i++) { d2=d1; a1=DESDShift[i]; if(a1==0) { d2=d2>>1; d1=d1<<0x1b; d4=d3>>1; d3=d3<<0x1b; d1=d1|d2; } else { d2=d2>>2; d1=d1<<0x1a; d4=d3>>2; d3=d3<<0x1a; d1=d1|d2; } d1=d1&0x0fffffff; d3=d3|d4; d2=d1>>1; d4=d1&0xc00000; d4=d4|(d2&0x07000000); d4=(d4>>1)|(d1&0x00100000); //d6=d2&0x00060000; d5=(d1&0x0001e000)|(d2&0x00060000); d2=d2&0x00000f00; d3=d3&0x0fffffff; d5=d5>>0xd; d4=d4>>0x14; d6=DESKEY3[d5]; d5=d1&0xc0; d4=DESKEY4[d4]; d5=(d5|d2)>>6; d4=d4|d6; d2=d1&0x3f; d6=DESKEY2[d5]; d5=d3&0x180; d4=d4|d6; d6=DESKEY1[d2]; d2=d3>>1; d4=d4|d6; d6=d2&0x1e00; d2=d2&0x6000000; d5=(d5^d6)>>7; d6=(d3&0x1e00000)|d2; d6=d6>>0x15; d2=DESKEY6[d5]; d5=DESKEY8[d6]; d2=d2^d5; d5=d3&0x3f; d6=DESKEY5[d5]; d5=(d3>>0xf)&0x3f; d2=d2|d6; d6=DESKEY7[d5]; d5=d4&0xffff; d2=d2|d6; d6=d2<<0x10; d2=d2&0xffff0000; d5=d5|d6; d5=(d5<<2)|(d5>>0x1e); d4=d4>>0x10; d2=d2|d4; d2=(d2<<6)|(d2>>0x1a); *(DWORD *)(desecb+8*i)=d5; *(DWORD *)(desecb+8*i+4)=d2; } } void des(unsigned char * LM,char * magic,unsigned char * ecb,long no) { DWORD d1,d2,d3,d4; DWORD a1,a2,a3; int i; d1= *(DWORD *)magic; d2= *(DWORD *)(magic+4); d1 = (d1<<4)|(d1>>0x1c); d3 = d1; d1 = (d1^d2)&0xf0f0f0f0; d3 = d3^d1; d2 = d2^d1; d2 =(d2<<0x14)|(d2>>0xc); d1 = d2; d2 = (d2^d3)&0xfff0000f; d1 = d1 ^ d2; d3 = d3^d2; d1 = (d1<<0xe)|(d1>>0x12); d2 = d1; d1 = (d1 ^ d3) & 0x33333333; d2 = d2 ^ d1; d3 = d3^d1; d3 = (d3<<0x16)|(d3>>0xa); d1 = d3; d3 = (d3 ^ d2)&0x3fc03fc; d1 = d1^d3; d2 = d2^d3; d1 = (d1<<9)|(d1>>0x17); d3 = d1; d1 = (d1^d2)&0xaaaaaaaa; d3 = d3^d1; d2 = d2^d1; d2 = (d2<<1)|(d2>>0x1f); if(no!=0) { for(i=0;i<8;i++) { a1=0; d1=*(DWORD *)(ecb+16*i); d4=*(DWORD *)(ecb+16*i+4); d1=(d1^d3)&0xfcfcfcfc; d4=(d4^d3)&0xcfcfcfcf; a1=d1&0xff; a2=(d1>>8)&0xff; d4=(d4>>4)|(d4<<0x1c); a3=DESSpBox1[a1/4]; a1=d4&0xff; d2=d2^a3; a3=DESSpBox3[a2/4]; d2=d2^a3; a2=(d4>>8)&0xff; d1=d1>>0x10; a3=DESSpBox2[a1/4]; d2=d2^a3; a1=(d1>>8)&0xff; d4=d4>>0x10; a3=DESSpBox4[a2/4]; d2=d2^a3; a2=(d4>>8)&0xff; d1=d1&0xff; d4=d4&0xff; a1=DESSpBox7[a1/4]; d2=d2^a1; a1=DESSpBox8[a2/4]; d2=d2^a1; a1=DESSpBox5[d1/4]; d2=d2^a1; a1=DESSpBox6[d4/4]; d2=d2^a1; a1=0; d1=*(DWORD *)(ecb+16*i+8); d4=*(DWORD *)(ecb+16*i+0xc); d1=(d1^d2)&0xfcfcfcfc; d4=(d4^d2)&0xcfcfcfcf; a1=d1&0xff; a2=(d1>>8)&0xff; d4=(d4>>4)|(d4<<0x1c); a3=DESSpBox1[a1/4]; a1=d4&0xff; d3=d3^a3; a3=DESSpBox3[a2/4]; d3=d3^a3; a2=(d4>>8)&0xff; d1=d1>>0x10; a3=DESSpBox2[a1/4]; d3=d3^a3; a1=(d1>>8)&0xff; d4=d4>>0x10; a3=DESSpBox4[a2/4]; d3=d3^a3; a2=(d4>>8)&0xff; d1=d1&0xff; d4=d4&0xff; a1=DESSpBox7[a1/4]; d3=d3^a1; a1=DESSpBox8[a2/4]; d3=d3^a1; a1=DESSpBox5[d1/4]; d3=d3^a1; a1=DESSpBox6[d4/4]; d3=d3^a1; } d3=(d3>>1)|(d3<<0x1f); d1=d2; d2=(d2^d3)&0XAAAAAAAA; d1=d1^d2; d3=d3^d2; d1=(d1<<0x17)|(d1>>9); d2=d1; d1=(d1^d3)&0x3fc03fc; d2=(d2^d1); d3=d3^d1; d2=(d2<<0xa)|(d2>>0x16); d1=d2; d2=(d2^d3)&0x33333333; d1=d1^d2; d3=d3^d2; d3=(d3<<0x12)|(d3>>0xe); d2=d3; d3=(d3^d1)&0xfff0000f; d2=d2^d3; d1=d1^d3; d2=(d2<<0xc)|(d2>>0x14); d3=d2; d2=(d2^d1)&0xf0f0f0f0; d3=d3^d2; d1=d1^d2; d1=(d1>>4)|(d1<<0x1c); *(DWORD *)LM=d1; *(DWORD *)(LM+4)=d3; } } void initMDP(PLSA_UNICODE_STRING pass,unsigned char * LM) { unsigned char LM1[0x58]; unsigned char s[2]="0"; md4init(LM1); memcpy(LM1+0x18,pass->Buffer,pass->Length); memset(LM1+0x18+pass->Length,0x80,1); memset(LM1+0x18+pass->Length+1,0,0x37-pass->Length); memset(LM1+0x50,0x30,1); memset(LM1+0x51,0x0,7); *(DWORD *)(LM1+0x10)=0x200; md4(LM1); memcpy(LM,LM1,16); } void md4init(unsigned char * LM) { *(DWORD *)(LM)=0x67452301; *(DWORD *)(LM+4)=0xefcdab89; *(DWORD *)(LM+8)=0x98badcfe; *(DWORD *)(LM+0xc)=0x10325476; *(DWORD *)(LM+0x10)=0; *(DWORD *)(LM+0x14)=0; } void md4(unsigned char * LM) { DWORD d1,d2,d3,d4; DWORD a1,a2,a3; //第1轮 d1=*(DWORD *)(LM); d2=*(DWORD *)(LM+4); d3=*(DWORD *)(LM+8); d4=*(DWORD *)(LM+0xc); a1=*(DWORD *)(LM+0x18); a2=(((d4^d3)&d2)^d4)+a1+d1; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x1c); a3=(((d3^d2)&a2)^d3)+a1; d4=d4+a3; d4=(d4<<7)|(d4>>0x19); a1=*(DWORD *)(LM+0x20); a3=(((d2^a2)&d4)^d2)+a1; d3=d3+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x24); a3=(((d4^a2)&d3)^a2)+a1; d2=d2+a3; d2=(d2<<0x13)|(d2>>0xd); a1=*(DWORD *)(LM+0x28); a3=(((d4^d3)&d2)^d4)+a1; a2=a2+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x2c); a3=(((d3^d2)&a2)^d3)+a1; d4=d4+a3; d4=(d4<<7)|(d4>>0x19); a1=*(DWORD *)(LM+0x30); a3=(((d2^a2)&d4)^d2)+a1; d3=d3+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x34); a3=(((d4^a2)&d3)^a2)+a1; d2=d2+a3; d2=(d2<<0x13)|(d2>>0xd); a1=*(DWORD *)(LM+0x38); a3=(((d4^d3)&d2)^d4)+a1; a2=a2+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x3c); a3=(((d3^d2)&a2)^d3)+a1; d4=d4+a3; d4=(d4<<7)|(d4>>0x19); a1=*(DWORD *)(LM+0x40); a3=(((d2^a2)&d4)^d2)+a1; d3=d3+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x44); a3=(((d4^a2)&d3)^a2)+a1; d2=d2+a3; d2=(d2<<0x13)|(d2>>0xd); a1=*(DWORD *)(LM+0x48); a3=(((d4^d3)&d2)^d4)+a1; a2=a2+a3; a2=(a2<<0x3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x4c); a3=(((d3^d2)&a2)^d3)+a1; d4=d4+a3; d4=(d4<<7)|(d4>>0x19); a1=*(DWORD *)(LM+0x50); a3=(((d2^a2)&d4)^d2)+a1; d3=d3+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x54); a3=(((d4^a2)&d3)^a2)+a1; d2=d2+a3; d2=(d2<<0x13)|(d2>>0xd); //第2轮 a1=*(DWORD *)(LM+0x18); a3=(((d3|d2)&d4)|(d3&d2))+a1+0x5a827999; a2=a2+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x28); a3=(((d2|a2)&d3)|(d2&a2))+0x5a827999; d4=d4+a1+a3; d4=(d4<<5)|(d4>>0x1b); a1=*(DWORD *)(LM+0x38); a3=(((d4|a2)&d2)|(d4&a2))+a1+0x5a827999; d3=d3+a3; d3=(d3<<9)|(d3>>0x17); a1=*(DWORD *)(LM+0x48); a3=(((d4|d3)&a2)|(d4&d3))+a1+0x5a827999; d2=d2+a3; d2=(d2<<0xd)|(d2>>0x13); a1=*(DWORD *)(LM+0x1c); a3=(((d3|d2)&d4)|(d3&d2))+a1+0x5a827999; a2=a2+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x2c); a3=(((d2|a2)&d3)|(d2&a2))+0x5a827999; d4=d4+a1+a3; d4=(d4<<5)|(d4>>0x1b); a1=*(DWORD *)(LM+0x3c); a3=(((d4|a2)&d2)|(d4&a2))+a1+0x5a827999; d3=d3+a3; d3=(d3<<9)|(d3>>0x17); a1=*(DWORD *)(LM+0x4c); a3=(((d4|d3)&a2)|(d4&d3))+a1+0x5a827999; d2=d2+a3; d2=(d2<<0xd)|(d2>>0x13); a1=*(DWORD *)(LM+0x20); a3=(((d3|d2)&d4)|(d3&d2))+a1+0x5a827999; a2=a2+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x30); a3=(((d2|a2)&d3)|(d2&a2))+0x5a827999; d4=d4+a1+a3; d4=(d4<<5)|(d4>>0x1b); a1=*(DWORD *)(LM+0x40); a3=(((d4|a2)&d2)|(d4&a2))+0x5a827999; d3=d3+a1+a3; d3=(d3<<9)|(d3>>0x17); a1=*(DWORD *)(LM+0x50); a3=(((d4|d3)&a2)|(d4&d3))+a1+0x5a827999; d2=d2+a3; d2=(d2<<0xd)|(d2>>0x13); a1=*(DWORD *)(LM+0x24); a3=(((d3|d2)&d4)|(d3&d2))+a1+0x5a827999; a2=a2+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x34); a3=(((d2|a2)&d3)|(d2&a2))+0x5a827999; d4=d4+a1+a3; d4=(d4<<5)|(d4>>0x1b); a1=*(DWORD *)(LM+0x44); a3=(((d4|a2)&d2)|(d4&a2))+a1+0x5a827999; d3=d3+a3; d3=(d3<<9)|(d3>>0x17); a1=*(DWORD *)(LM+0x54); a3=(((d4|d3)&a2)|(d4&d3))+a1+0x5a827999; d2=d2+a3; d2=(d2<<0xd)|(d2>>0x13); //第3轮 a1=*(DWORD *)(LM+0x18); a3=((d4^d3)^d2)+a1; a2=a2+0x6ed9eba1+a3; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x38); a3=((d3^d2)^a2)+a1; d4=d4+0x6ed9eba1+a3; d4=(d4<<9)|(d4>>0x17); a1=*(DWORD *)(LM+0x28); a3=((d4^d2)^a2)+a1; d3=d3+0x6ed9eba1+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x48); a3=d4^d3; d2=d2+a1+0x6ed9eba1+(a2^a3); d2=(d2<<0xf)|(d2>>0x11); a1=*(DWORD *)(LM+0x20); a2=a2+((d2^a3)+a1+0x6ed9eba1); a3=d3^d2; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x40); a3=(a3^a2)+a1; d4=d4+0x6ed9eba1+a3; d4=(d4<<9)|(d4>>0x17); a1=*(DWORD *)(LM+0x30); a3=((d4^d2)^a2)+a1; d3=d3+0x6ed9eba1+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x50); a3=d4^d3; d2=d2+a1+0x6ed9eba1+(a2^a3); d2=(d2<<0xf)|(d2>>0x11); a1=*(DWORD *)(LM+0x1c); a2=a2+0x6ed9eba1+((d2^a3)+a1); a3=d3^d2; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x3c); a3=(a3^a2)+a1; d4=d4+0x6ed9eba1+a3; d4=(d4<<9)|(d4>>0x17); a1=*(DWORD *)(LM+0x2c); a3=((d4^d2)^a2)+a1; d3=d3+0x6ed9eba1+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x4c); a3=d4^d3; d2=d2+a1+0x6ed9eba1+(a2^a3); d2=(d2<<0xf)|(d2>>0x11); a1=*(DWORD *)(LM+0x24); a2=a2+0x6ed9eba1+((d2^a3)+a1); a3=d3^d2; a2=(a2<<3)|(a2>>0x1d); a1=*(DWORD *)(LM+0x44); a3=(a3^a2)+a1; d4=d4+0x6ed9eba1+a3; d4=(d4<<9)|(d4>>0x17); a1=*(DWORD *)(LM+0x34); a3=((d4^d2)^a2)+a1; d3=d3+0x6ed9eba1+a3; d3=(d3<<0xb)|(d3>>0x15); a1=*(DWORD *)(LM+0x54); a3=((d4^a2)^d3)+a1; d2=d2+0x6ed9eba1+a3; d2=(d2<<0xf)|(d2>>0x11); *(DWORD *)(LM)=a2+*(DWORD *)(LM); *(DWORD *)(LM+4)=d2+*(DWORD *)(LM+4); *(DWORD *)(LM+8)=d3+*(DWORD *)(LM+8); *(DWORD *)(LM+0xc)=d4+*(DWORD *)(LM+0xc); } 建议大家了解其思路 |
| 地主 发表时间: 04-06-15 20:00 |
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