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转摘请注明作者和安全焦点
作者：FLASHSKY
SITE：WWW.XFOCUS.NET，WWW.SHOPSKY.COM
邮件：[email protected]
好久没给大家写点东西了，现在给大家一点近阶段研究SMB的一点东西吧。
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==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);
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=a1;
}
else
{
a1=pass[i-1];
a2=pass;
a1=a1&a3[i-1];
a1=a1<<(7-i);
a2=a2>>(i+1);
LmPass=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;
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=LmPass^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;
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); |
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