eBook Edit Pro 3.21 算法分析及注册机源码
破解者：HMILY[CCG][BCG]
说 明：该软件注册码的查找，已经有人破解了，我来补充算法分析。
下载了它的汉化版后，感觉还不错，就分析了一下它的注册过程，
算法并不难，只是过于复杂。
备 注：在调试过程中，不知道是哪里错了，注册名只能支持到10位。
:00478097 E810FEFFFF call 00477EAC ->注册码的计算call
:0047809C 8D95FCFEFFFF lea edx, dword ptr [ebp+FFFFFEFC]
:004780A2 8D45FC lea eax, dword ptr [ebp-04]
:004780A5 E81EBDF8FF call 00403DC8
:004780AA 8B45FC mov eax, dword ptr [ebp-04]
:004780AD 8BD6 mov edx, esi
:004780AF E880BEF8FF call 00403F34
:004780B4 0F94C0 sete al
:004780B7 8BD8 mov ebx, eax
:004780B9 33C0 xor eax, eax
:004780BB 5A pop edx
:004780BC 59 pop ecx
:004780BD 59 pop ecx
:004780BE 648910 mov dword ptr fs:[eax], edx
:004780C1 68DE804700 push 004780DE
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:004780DC(U)
|
:004780C6 8D45FC lea eax, dword ptr [ebp-04]
:004780C9 E8D6BAF8FF call 00403BA4
:004780CE 8D4508 lea eax, dword ptr [ebp+08]
:004780D1 E8CEBAF8FF call 00403BA4
:004780D6 C3 ret
========================================================================
* Referenced by a CALL at Address:
|:00478097
|
:00477EAC 55 push ebp ->跟进上面那个call，来到这里
:00477EAD 8BEC mov ebp, esp
:00477EAF 83C4DC add esp, FFFFFFDC
:00477EB2 53 push ebx
:00477EB3 56 push esi
:00477EB4 57 push edi
:00477EB5 33DB xor ebx, ebx
:00477EB7 895DDC mov dword ptr [ebp-24], ebx
:00477EBA 895DE0 mov dword ptr [ebp-20], ebx
:00477EBD 895DF0 mov dword ptr [ebp-10], ebx
:00477EC0 894DF4 mov dword ptr [ebp-0C], ecx
:00477EC3 8955F8 mov dword ptr [ebp-08], edx
:00477EC6 8945FC mov dword ptr [ebp-04], eax
:00477EC9 8B45FC mov eax, dword ptr [ebp-04]
:00477ECC E807C1F8FF call 00403FD8
:00477ED1 8B45F8 mov eax, dword ptr [ebp-08]
:00477ED4 E8FFC0F8FF call 00403FD8
:00477ED9 8B45F4 mov eax, dword ptr [ebp-0C]
:00477EDC E8F7C0F8FF call 00403FD8
:00477EE1 33C0 xor eax, eax
:00477EE3 55 push ebp
:00477EE4 684C804700 push 0047804C
:00477EE9 64FF30 push dword ptr fs:[eax]
:00477EEC 648920 mov dword ptr fs:[eax], esp
:00477EEF 837DFC00 cmp dword ptr [ebp-04], 00000000
:00477EF3 746D je 00477F62
:00477EF5 BB01000000 mov ebx, 00000001 ->ebx置1先
:00477EFA 8D75E4 lea esi, dword ptr [ebp-1C]
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477F2A(C)
|
:00477EFD 8B45FC mov eax, dword ptr [ebp-04]
:00477F00 E81FBFF8FF call 00403E24 |
:00477F05 50 push eax |
:00477F06 8BC3 mov eax, ebx |
:00477F08 48 dec eax 无
:00477F09 5A pop edx 用
:00477F0A 8BCA mov ecx, edx |
:00477F0C 99 cdq |
:00477F0D F7F9 idiv ecx |
:00477F0F 8B45FC mov eax, dword ptr [ebp-04] ->注册名传入eax
:00477F12 8A0410 mov al, byte ptr [eax+edx] ->依次取注册名
:00477F15 50 push eax ->注册名入栈
:00477F16 8B45FC mov eax, dword ptr [ebp-04] ->注册名传入eax
:00477F19 E806BFF8FF call 00403E24 ->取注册名位数
:00477F1E 5A pop edx ->注册名出栈
:00477F1F 32D0 xor dl, al ->dl=位数^依次取的注册名
:00477F21 32D3 xor dl, bl ->dl=dl^bl
:00477F23 8816 mov byte ptr [esi], dl ->保存dl
:00477F25 43 inc ebx ->ebx++
:00477F26 46 inc esi ->esi++
:00477F27 83FB0D cmp ebx, 0000000D ->比较ebx是否等于13
:00477F2A 75D1 jne 00477EFD ->不相等继续循环
:00477F2C 8B45FC mov eax, dword ptr [ebp-04]
:00477F2F E8F0BEF8FF call 00403E24
:00477F34 8BF0 mov esi, eax
:00477F36 85F6 test esi, esi
:00477F38 7E28 jle 00477F62
:00477F3A BB01000000 mov ebx, 00000001
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477F60(C)
|
:00477F3F 8B45FC mov eax, dword ptr [ebp-04]
:00477F42 E8DDBEF8FF call 00403E24
:00477F47 2BC3 sub eax, ebx
:00477F49 8B55FC mov edx, dword ptr [ebp-04] ->注册名传入edx
:00477F4C 8A0C02 mov cl, byte ptr [edx+eax] ->依次取取反的注册名
:00477F4F 8BC3 mov eax, ebx |
:00477F51 48 dec eax 无
:00477F52 BF0C000000 mov edi, 0000000C 用
:00477F57 99 cdq |
:00477F58 F7FF idiv edi |
:00477F5A 304C15E4 xor byte ptr [ebp+edx-1C], cl ->将上面计算出来的字符串与取反的注册名依次做异或运算
:00477F5E 43 inc ebx
:00477F5F 4E dec esi
:00477F60 75DD jne 00477F3F ->注册名没取完，继续
* Referenced by a (U)nconditional or (C)onditional Jump at Addresses:
|:00477EF3(C), :00477F38(C)
|
:00477F62 837DF800 cmp dword ptr [ebp-08], 00000000
:00477F66 7439 je 00477FA1
:00477F68 BB01000000 mov ebx, 00000001 ->ebx置1先
:00477F6D 8D75E4 lea esi, dword ptr [ebp-1C]
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477F9F(C)
|
:00477F70 8B45F8 mov eax, dword ptr [ebp-08] ->计算基数传入eax
:00477F73 E8ACBEF8FF call 00403E24 ->这里面是取eax-04，没有字符，所以取0x30
:00477F78 50 push eax
:00477F79 8BC3 mov eax, ebx
:00477F7B 48 dec eax
:00477F7C 5A pop edx
:00477F7D 8BCA mov ecx, edx
:00477F7F 99 cdq
:00477F80 F7F9 idiv ecx
:00477F82 8B45F8 mov eax, dword ptr [ebp-08] ->基数传入eax
:00477F85 8A0410 mov al, byte ptr [eax+edx] ->依次取基数到al
:00477F88 3206 xor al, byte ptr [esi] ->al与第二次计算出来的字符串做异或运算
:00477F8A 50 push eax ->计算结果入栈
:00477F8B 8B45F8 mov eax, dword ptr [ebp-08]
:00477F8E E891BEF8FF call 00403E24 ->这里面是取eax-04，没有字符，所以取0x30
:00477F93 5A pop edx ->计算结果出栈
:00477F94 32D0 xor dl, al ->dl=dl^al
:00477F96 32D3 xor dl, bl ->dl=dl^bl
:00477F98 8816 mov byte ptr [esi], dl ->保存计算结果
:00477F9A 43 inc ebx ->ebx++
:00477F9B 46 inc esi ->esi++
:00477F9C 83FB0D cmp ebx, 0000000D ->比较ebx是否等于13
:00477F9F 75CF jne 00477F70 ->不等，继续
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477F66(C)
|
:00477FA1 837DF400 cmp dword ptr [ebp-0C], 00000000
:00477FA5 7439 je 00477FE0 ->这里跳走
:00477FA7 BB01000000 mov ebx, 00000001
:00477FAC 8D75E4 lea esi, dword ptr [ebp-1C]
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477FDE(C)
|
:00477FAF 8B45F4 mov eax, dword ptr [ebp-0C]
:00477FB2 E86DBEF8FF call 00403E24
:00477FB7 50 push eax
:00477FB8 8BC3 mov eax, ebx
:00477FBA 48 dec eax
:00477FBB 5A pop edx
:00477FBC 8BCA mov ecx, edx
:00477FBE 99 cdq
:00477FBF F7F9 idiv ecx
:00477FC1 8B45F4 mov eax, dword ptr [ebp-0C]
:00477FC4 8A0410 mov al, byte ptr [eax+edx]
:00477FC7 3206 xor al, byte ptr [esi]
:00477FC9 50 push eax
:00477FCA 8B45F4 mov eax, dword ptr [ebp-0C]
:00477FCD E852BEF8FF call 00403E24
:00477FD2 5A pop edx
:00477FD3 32D0 xor dl, al
:00477FD5 32D3 xor dl, bl
:00477FD7 8816 mov byte ptr [esi], dl
:00477FD9 43 inc ebx
:00477FDA 46 inc esi
:00477FDB 83FB0D cmp ebx, 0000000D
:00477FDE 75CF jne 00477FAF
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477FA5(C)
|
:00477FE0 8D45F0 lea eax, dword ptr [ebp-10] ->上面那个跳转到这里
:00477FE3 E8BCBBF8FF call 00403BA4
:00477FE8 BB0C000000 mov ebx, 0000000C
:00477FED 8D75E4 lea esi, dword ptr [ebp-1C]
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00478007(C)
|
:00477FF0 8D45E0 lea eax, dword ptr [ebp-20]
:00477FF3 8A16 mov dl, byte ptr [esi]
:00477FF5 E852BDF8FF call 00403D4C
:00477FFA 8B55E0 mov edx, dword ptr [ebp-20]
:00477FFD 8D45F0 lea eax, dword ptr [ebp-10]
:00478000 E827BEF8FF call 00403E2C
:00478005 46 inc esi
:00478006 4B dec ebx
:00478007 75E7 jne 00477FF0
:00478009 8D55DC lea edx, dword ptr [ebp-24]
:0047800C 8B45F0 mov eax, dword ptr [ebp-10] ->这里d eax可看到计算后的字符串->计为(end)
:0047800F E83CFBFFFF call 00477B50 ->最后注册码的计算->跟进去
:00478014 8B55DC mov edx, dword ptr [ebp-24]
:00478017 8B4508 mov eax, dword ptr [ebp+08]
:0047801A B9FF000000 mov ecx, 000000FF
:0047801F E8DCBDF8FF call 00403E00
:00478024 33C0 xor eax, eax
:00478026 5A pop edx
:00478027 59 pop ecx
:00478028 59 pop ecx
:00478029 648910 mov dword ptr fs:[eax], edx
:0047802C 6853804700 push 00478053
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00478051(U)
|
:00478031 8D45DC lea eax, dword ptr [ebp-24]
:00478034 BA02000000 mov edx, 00000002
:00478039 E88ABBF8FF call 00403BC8
:0047803E 8D45F0 lea eax, dword ptr [ebp-10]
:00478041 BA04000000 mov edx, 00000004
:00478046 E87DBBF8FF call 00403BC8
:0047804B C3 ret
===================================================================
* Referenced by a CALL at Addresses:
|:00477DB1 , :0047800F
|
:00477B50 55 push ebp ->跟进0047800F到这里
:00477B51 8BEC mov ebp, esp
:00477B53 83C4F0 add esp, FFFFFFF0
:00477B56 53 push ebx
:00477B57 56 push esi
:00477B58 57 push edi
:00477B59 33C9 xor ecx, ecx
:00477B5B 894DF0 mov dword ptr [ebp-10], ecx
:00477B5E 8BFA mov edi, edx
:00477B60 8945FC mov dword ptr [ebp-04], eax
:00477B63 8B45FC mov eax, dword ptr [ebp-04]
:00477B66 E86DC4F8FF call 00403FD8
:00477B6B 33C0 xor eax, eax
:00477B6D 55 push ebp
:00477B6E 68847C4700 push 00477C84
:00477B73 64FF30 push dword ptr fs:[eax]
:00477B76 648920 mov dword ptr fs:[eax], esp
:00477B79 8BC7 mov eax, edi
:00477B7B E824C0F8FF call 00403BA4
:00477B80 E9D7000000 jmp 00477C5C
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477C60(C)
|
:00477B85 8B45FC mov eax, dword ptr [ebp-04]
:00477B88 E897C2F8FF call 00403E24
:00477B8D 8BC8 mov ecx, eax
:00477B8F 8BC1 mov eax, ecx
:00477B91 BB03000000 mov ebx, 00000003
:00477B96 99 cdq
:00477B97 F7FB idiv ebx
:00477B99 85C0 test eax, eax
:00477B9B 7E07 jle 00477BA4
:00477B9D BB03000000 mov ebx, 00000003
:00477BA2 EB02 jmp 00477BA6
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477B9B(C)
|
:00477BA4 8BD9 mov ebx, ecx
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477BA2(U)
|
:00477BA6 8D45F9 lea eax, dword ptr [ebp-07]
:00477BA9 33C9 xor ecx, ecx
:00477BAB BA03000000 mov edx, 00000003
:00477BB0 E8B3AFF8FF call 00402B68
:00477BB5 8D45F5 lea eax, dword ptr [ebp-0B]
:00477BB8 B940000000 mov ecx, 00000040
:00477BBD BA04000000 mov edx, 00000004
:00477BC2 E8A1AFF8FF call 00402B68
:00477BC7 8D45FC lea eax, dword ptr [ebp-04]
:00477BCA E825C4F8FF call 00403FF4
:00477BCF 8D55F9 lea edx, dword ptr [ebp-07]
:00477BD2 8BCB mov ecx, ebx
:00477BD4 E8B7ACF8FF call 00402890
:00477BD9 83FB03 cmp ebx, 00000003
:00477BDC 7C08 jl 00477BE6
:00477BDE 8A45FB mov al, byte ptr [ebp-05] ->计算从这里开始，取end的第三位
:00477BE1 243F and al, 3F ->和0x3f做与运算，al=al&0x3f
:00477BE3 8845F8 mov byte ptr [ebp-08], al ->保存al
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477BDC(C)
|
:00477BE6 83FB02 cmp ebx, 00000002
:00477BE9 7C15 jl 00477C00
:00477BEB 8A45FA mov al, byte ptr [ebp-06] ->取end的第二位到al
:00477BEE C1E002 shl eax, 02 ->eax=eax<<2
:00477BF1 33D2 xor edx, edx
:00477BF3 8A55FB mov dl, byte ptr [ebp-05] ->取end的第三位到dl
:00477BF6 C1EA06 shr edx, 06 ->edx=edx>>6
:00477BF9 0AC2 or al, dl ->al=al|dl
:00477BFB 243F and al, 3F ->al=al&0x3f
:00477BFD 8845F7 mov byte ptr [ebp-09], al ->保存al
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477BE9(C)
|
:00477C00 8A45F9 mov al, byte ptr [ebp-07] ->取end的第一位
:00477C03 8BD0 mov edx, eax ->edx=eax
:00477C05 C1E204 shl edx, 04 ->edx=edx<<4
:00477C08 33C9 xor ecx, ecx
:00477C0A 8A4DFA mov cl, byte ptr [ebp-06] ->取end的第二位到cl
:00477C0D C1E904 shr ecx, 04 ->ecx=ecx>>4
:00477C10 0AD1 or dl, cl ->dl=dl|cl
:00477C12 80E23F and dl, 3F ->dl=dl&0x3f
:00477C15 8855F6 mov byte ptr [ebp-0A], dl ->保存dl
:00477C18 25FF000000 and eax, 000000FF ->eax=eax&0xff
:00477C1D C1E802 shr eax, 02 ->eax=eax>>2
:00477C20 243F and al, 3F ->al=al&0x3f
:00477C22 8845F5 mov byte ptr [ebp-0B], al ->保存al
:00477C25 8D45FC lea eax, dword ptr [ebp-04]
:00477C28 8BCB mov ecx, ebx
:00477C2A BA01000000 mov edx, 00000001
:00477C2F E838C4F8FF call 0040406C
:00477C34 BE04000000 mov esi, 00000004
:00477C39 8D5DF5 lea ebx, dword ptr [ebp-0B]
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477C5A(C)
|
:00477C3C 8D45F0 lea eax, dword ptr [ebp-10]
:00477C3F 33D2 xor edx, edx
:00477C41 8A13 mov dl, byte ptr [ebx] ->依次取计算的结果
:00477C43 8A929DE44700 mov dl, byte ptr [edx+0047E49D] ->用结果在基数相对位置上的字符
:00477C49 E8FEC0F8FF call 00403D4C
:00477C4E 8B55F0 mov edx, dword ptr [ebp-10] ->将找到的字符传到edx
:00477C51 8BC7 mov eax, edi
:00477C53 E8D4C1F8FF call 00403E2C
:00477C58 43 inc ebx
:00477C59 4E dec esi
:00477C5A 75E0 jne 00477C3C ->比较是否取完，没有继续
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477B80(U)
|
:00477C5C 837DFC00 cmp dword ptr [ebp-04], 00000000 ->比较end是否取完
:00477C60 0F851FFFFFFF jne 00477B85 ->没有则继续，后面位数的取法，见注册机源码
:00477C66 33C0 xor eax, eax
:00477C68 5A pop edx
:00477C69 59 pop ecx
:00477C6A 59 pop ecx
:00477C6B 648910 mov dword ptr fs:[eax], edx
:00477C6E 688B7C4700 push 00477C8B
* Referenced by a (U)nconditional or (C)onditional Jump at Address:
|:00477C89(U)
|
:00477C73 8D45F0 lea eax, dword ptr [ebp-10]
:00477C76 E829BFF8FF call 00403BA4
:00477C7B 8D45FC lea eax, dword ptr [ebp-04]
:00477C7E E821BFF8FF call 00403BA4
:00477C83 C3 ret
下面为注册机源码：CB v6.0 win98 SE下调试通过
呵呵，可能是自己的编程水平不高，只能写出这样的源程序，我想它应该可以更简化一些。
void __fastcall Tform1::OKBtnClick(TObject *Sender)
{
int key_11[29]={'~','T','u','r','n','I','d','e','@','$','I',
'n','t','o','P','r','o','f','i','t','$','w',
'/','e','B','o','o','k'},*p=key_11;
int key_22[15]={'0','0','0','0','0','0','0','0','0','0','0',
'0','0','0','0'} ,*p1=key_22;
String name,key_1,key_2,T,key_3,name_key,code_1,code_2,code_3,
code_4,code_5,code_6,code_7,code_8,code_9,
code_10,code_11,code_12,code_13,code_14,
code_15,code_16;
int a,b=1,c=1,d=0,d_1=0,j=1,k=1;
unsigned long e=0,f=0,g=0,h=0,i=0,l=0,m=0,x=0;
if(UEdit->Text=="") {CEdit->Text="未输入注册名！";return;}
if(UEdit->Text.Length()>10) {CEdit->Text="注册名不能大于10位！";return;}
if(UEdit->Text!="")
{
name=UEdit->Text;a=UEdit->Text.Length();
while(c<=12)
{
if(c>a) {name=name+name;d++;e=name[d];}
else e=name[c];
f=e^a;g=f^b;
c++;b++;
key_1=key_1+char(g);
}
while(a>=1)
{
h=name[a]^key_1[j];
a--;j++;
key_2=key_2+char(h);
}
if(j<12)
{
while(j<=12)
{
x=key_1[j];
name_key=name_key+char(x);j++;
}
key_2=key_2+name_key;
while(k<=12)
{
i=key_2[k]^*p1;
l=i^*p;m=l^k;k++;p++;p1++;
key_3=key_3+char(m);
}
unsigned long a_1=0,b_1=0,c_1=0,a_11=0,b_11=0,c_11=0,
c_12=0,c_13=0,c_14=0,c_15=0;
a_1=key_3[3]&0x3f;
b_1=key_3[2]<<2;
b_11=key_3[2]>>6;
c_15=((b_11|b_1)^0x100)&0x3f;
c_1=((b_11|b_1)&0x100)+key_3[1];
c_11=c_1<<4;c_12=key_3[2]>>4;
c_13=(c_11|c_12)&0x3f;
c_14=(c_1&0xff)>>2;
char key_111[]={'I','Y','A','G','P','X','D','J','Q','W',
'M','H','V','C','N','F','U','Z','R','B',
'K','E','S','O','L','T','t','f','k','y',
's','b','o','h','l','u','j','w','e','c',
'p','m','i','a','q','n','d','x','z','v',
'g','r','4','6','+','0','2','5','7','3',
'/','8','1','=','9'};
code_1=key_111[c_14];code_2=key_111[c_13];
code_3=key_111[c_15];code_4=key_111[a_1];
unsigned long aa_1=0,ab_1=0,ac_1=0,aa_11=0,ab_11=0,ac_11=0,
ac_12=0,ac_13=0,ac_14=0,ac_15=0;
aa_1=key_3[6]&0x3f;
ab_1=key_3[5]<<2;
ab_11=key_3[6]>>6;
ac_15=((ab_11|ab_1)^0x100)&0x3f;
ac_1=((ab_11|ab_1)&0x100)+key_3[4];
ac_11=ac_1<<4;ac_12=key_3[5]>>4;
ac_13=(ac_11|ac_12)&0x3f;
ac_14=(ac_1&0xff)>>2;
code_5=key_111[ac_14];code_6=key_111[ac_13];
code_7=key_111[ac_15];code_8=key_111[aa_1];
unsigned long ba_1=0,bb_1=0,bc_1=0,ba_11=0,bb_11=0,bc_11=0,
bc_12=0,bc_13=0,bc_14=0,bc_15=0;
ba_1=key_3[9]&0x3f;
bb_1=key_3[8]<<2;
bb_11=key_3[9]>>6;
bc_15=((bb_11|bb_1)^0x100)&0x3f;
bc_1=((bb_11|bb_1)&0x100)+key_3[7];
bc_11=bc_1<<4;bc_12=key_3[8]>>4;
bc_13=(bc_11|bc_12)&0x3f;
bc_14=(bc_1&0xff)>>2;
code_9=key_111[bc_14];code_10=key_111[bc_13];
code_11=key_111[bc_15];code_12=key_111[ba_1];
unsigned long ca_1=0,cb_1=0,cc_1=0,ca_11=0,cb_11=0,cc_11=0,
cc_12=0,cc_13=0,cc_14=0,cc_15=0;
ca_1=key_3[12]&0x3f;
cb_1=key_3[11]<<2;
cb_11=key_3[12]>>6;
cc_15=((cb_11|cb_1)^0x100)&0x3f;
cc_1=((cb_11|cb_1)&0x100)+key_3[10];
cc_11=cc_1<<4;cc_12=key_3[11]>>4;
cc_13=(cc_11|cc_12)&0x3f;
cc_14=(cc_1&0xff)>>2;
code_13=key_111[cc_14];code_14=key_111[cc_13];
code_15=key_111[cc_15];code_16=key_111[ca_1];
CEdit->Text=CEdit->Text+code_1+code_2+code_3+code_4
+code_5+code_6+code_7+code_8+code_9+code_10+code_11
+code_12+code_13+code_14+code_15+code_16;
（出处：赢政天下整理收藏）
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