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在rsatools中已知(Q-1)*(P-1),E,求D的反汇编过程及分析
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发表于: 2007-1-14 22:24 6472
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使用工具softice
调试环境：windwos2000
原RSATOOLS.exe在论坛的工具中
调试时使用的数据：
D2F1F1429A4A565657B25A75341392C5; ＝Ｑ
D2F1F1429A4A565657B25A75341392D7; ＝Ｐ
ADD1D47967E6ED701852554F88EEE22C416B71A26F3961AE922CFD6ECEC39D73; ＝Ｎ
D2F1F1429A4A565657B25A75341392CD
79C5ABBE161D81306BC99A7CAAE8F847734867E9C940C4927AA767AE6218B219; ＝Ｄ
=====================打这里Ｑ Ｐ Ｅ 已经得到============================
00405B67 6A00 PUSH 00
00405B69 E8B2200000 CALL 00407C20 ；申请内存
00405B6E 6A00 PUSH 00
00405B70 8BE8 MOV EBP,EAX
00405B72 E8A9200000 CALL 00407C20 ；申请内存
00405B77 50 PUSH EAX
00405B78 57 PUSH EDI
00405B79 56 PUSH ESI
00405B7A 89442424 MOV [ESP+24],EAX
00405B7E E81D390000 CALL 004094A0 ；EDI*ESI-->EAX
00405B83 56 PUSH ESI ；相当于Q*P
00405B84 6A01 PUSH 01
00405B86 56 PUSH ESI
00405B87 E8944A0000 CALL 0040A620 ；ESI-1-->ESI=[Q-1]
00405B8C 57 PUSH EDI
00405B8D 6A01 PUSH 01
00405B8F 57 PUSH EDI
00405B90 E88B4A0000 CALL 0040A620 ；EDI-1-->EDI=[P-1]
00405B95 55 PUSH EBP
00405B96 57 PUSH EDI
00405B97 56 PUSH ESI
00405B98 E803390000 CALL 004094A0 ；相当于(Q-1)*(P-1)
00405B9D 57 PUSH EDI
00405B9E 56 PUSH ESI
00405B9F 56 PUSH ESI
00405BA0 55 PUSH EBP-------->(Q-1)*(P-1)
00405BA1 53 PUSH EBX-------->共钥E
00405BA2 E879540000 CALL 0040B020 ；根据(Q-1)*(P-1)，共钥E，计算私钥D
00405BA7 83C44C ADD ESP,4C
00405BAA 83F801 CMP EAX,01 ；无法计算出私钥
00405BAD 0F85C2000000 JNZ 00405C75
00405BB3 53 PUSH EBX
00405BB4 53 PUSH EBX
00405BB5 53 PUSH EBX
00405BB6 55 PUSH EBP-------->(Q-1)*(P-1)
00405BB7 53 PUSH EBX-------->共钥E
00405BB8 E863540000 CALL 0040B020 ；根据(Q-1)*(P-1)，共钥E，计算私钥D
00405BBD A100E44100 MOV EAX,[0041E400]
00405BC2 83C414 ADD ESP,14
00405BC5 83F803 CMP EAX,03
00405BC8 7526 JNZ 00405BF0
00405BCA 8D9424F0050000 LEA EDX,[ESP+000005F0]
00405BD1 52 PUSH EDX
00405BD2 53 PUSH EBX
00405BD3 E8881C0000 CALL 00407860
00405BD8 50 PUSH EAX
00405BD9 8D442420 LEA EAX,[ESP+20]
00405BDD 8D8C24FC050000 LEA ECX,[ESP+000005FC]
00405BE4 50 PUSH EAX
00405BE5 51 PUSH ECX
00405BE6 E865B5FFFF CALL 00401150
00405BEB 83C414 ADD ESP,14
00405BEE EB0E JMP 00405BFE
00405BF0 8D542414 LEA EDX,[ESP+14]
00405BF4 52 PUSH EDX
00405BF5 53 PUSH EBX
00405BF6 E8651C0000 CALL 00407860----->把数据转化为可显示的字符串
00405BFB 83C408 ADD ESP,08
00405BFE 8B8C24D00B0000 MOV ECX,[ESP+00000BD0]
00405C05 8D442414 LEA EAX,[ESP+14]
00405C09 50 PUSH EAX --------->已经算出来的Ｄ
00405C0A 68F5030000 PUSH 000003F5
00405C0F 51 PUSH ECX
00405C10 FF1520614100 CALL [USER32!SetDlgItemTextA]---显示
00405C16 833D00E4410003 CMP DWORD PTR [0041E400],03
00405C1D 752A JNZ 00405C49
00405C1F 8B442410 MOV EAX,[ESP+10]
数据的储格式如下：第一个dword的是数据的位数， 其中的D31
位表示这个数的正负,以100000000H为进值表示的
DD EBX l24----->E共钥
0089D5F8 00000001 00010001 00000000 00000000 ................
DD EBP l24----->(Q-1)*(P-1)
0089A718 00000008 669C77D8 E2C84884 3AA4B501 .....w.f.H.....:
0089A728 9B878F1D 88EEE22A 1852554F 67E6ED70 ....*...OUR.p..g
0089A738 ADD1D479 00000000 00000000 00000000 y...............
DD ESI l24----->Q-1
0089DAE0 00000004 341392C4 57B25A75 9A4A5656 .......4uZ.WVVJ.
0089DAF0 D2F1F142 00000000 00000000 00000000 B...............
DD EDI l24----->P-1
0089A230 00000004 341392D6 57B25A75 9A4A5656 .......4uZ.WVVJ.
0089A240 D2F1F142 00000000 00000000 00000000 B...............
[ESI+000001D8]------>X0 用于保存临时的计算结果
[ESI+000001DC]------>X1 初始化时等于 E
[ESI+000001E0]------>X2 初始化时等于 (Q-1)*(P-1)
[ESI+000001E4]------>X3 初始化时等于 1----->最后结果就是私钥
[ESI+000001E8]------>X4 初始化时等于 0
[ESI+000001EC]------>X5 用于保存临时的计算结果
[EBP-04]------------>Y0 初始化时等于 1 Y3-Y0*商
[EBP-08]------------>Y1 初始化时等于 0 Y2-Y1*商
[EBP-14]------------>Y2 初始化时等于 1 Y1-->Y2
[EBP-18]------------>Y3 初始化时等于 0 Y0-->Y3
=========验证是否能得到私有密钥[上面是调用该程序时积存器所指内存的值================
0040B020 55 PUSH EBP
0040B021 8BEC MOV EBP,ESP
0040B023 83EC24 SUB ESP,24
0040B026 56 PUSH ESI
0040B027 57 PUSH EDI
0040B028 E8C3C8FFFF CALL 004078F0------>取得一个地址
0040B02D 8BF0 MOV ESI,EAX ；该地址存了一些计算时需要的，已经申请的
0040B02F F8 CLC ；内存
0040B030 8B8630020000 MOV EAX,[ESI+00000230]
0040B036 33FF XOR EDI,EDI
0040B038 3BC7 CMP EAX,EDI
0040B03A 7408 JZ 0040B044
0040B03C 5F POP EDI
0040B03D 33C0 XOR EAX,EAX
0040B03F 5E POP ESI
0040B040 8BE5 MOV ESP,EBP
0040B042 5D POP EBP
0040B043 C3 RET
0040B044 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B04A 8B4D08 MOV ECX,[EBP+08]
0040B04D 53 PUSH EBX
0040B04E 50 PUSH EAX
0040B04F 51 PUSH ECX
0040B050 E8CBD5FFFF CALL 00408620--->共钥Ｅ--->X1
0040B055 8B96E0010000 MOV EDX,[ESI+000001E0] X2
0040B05B 8B450C MOV EAX,[EBP+0C]
0040B05E 52 PUSH EDX
0040B05F 50 PUSH EAX
0040B060 E8BBD5FFFF CALL 00408620--->(Q-1)*(P-1)--->X2
0040B065 8B8EDC010000 MOV ECX,[ESI+000001DC] X1
0040B06B 51 PUSH ECX
0040B06C E89FD3FFFF CALL 00408410--->检查数的正负
0040B071 8B96DC010000 MOV EDX,[ESI+000001DC] X1
0040B077 8945DC MOV [EBP-24],EAX----->存符号
0040B07A 52 PUSH EDX
0040B07B 6A01 PUSH 01
0040B07D E8AED3FFFF CALL 00408430--->清掉Ｄ31位[求绝对值]
0040B082 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B088 50 PUSH EAX
0040B089 6A01 PUSH 01
0040B08B E8A0D3FFFF CALL 00408430--->清掉Ｄ31位[求绝对值]
0040B090 8B8EE4010000 MOV ECX,[ESI+000001E4] X3
0040B096 51 PUSH ECX
0040B097 6A01 PUSH 01
0040B099 E862CAFFFF CALL 00407B00--->初始化为1
0040B09E 8B96E8010000 MOV EDX,[ESI+000001E8] X4
0040B0A4 52 PUSH EDX
0040B0A5 E836CAFFFF CALL 00407AE0--->清零
0040B0AA 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B0B0 897DE0 MOV [EBP-20],EDI
0040B0B3 50 PUSH EAX
0040B0B4 897DFC MOV [EBP-04],EDI ；初始化为零Y0
0040B0B7 897DF8 MOV [EBP-08],EDI ；初始化为零Y1
0040B0BA 33DB XOR EBX,EBX
0040B0BC E88FD7FFFF CALL 00408850--->检查数据的正负［如果小于40000000返回这个数据]
0040B0C1 83C434 ADD ESP,34
0040B0C4 85C0 TEST EAX,EAX
0040B0C6 0F8417030000 JZ 0040B3E3
0040B0CC EB06 JMP 0040B0D4
0040B0CE 8B5DEC MOV EBX,[EBP-14] Y2
0040B0D1 8B7DE8 MOV EDI,[EBP-18] Y3
0040B0D4 85FF TEST EDI,EDI
0040B0D6 0F8580000000 JNZ 0040B15C
0040B0DC 8B8EEC010000 MOV ECX,[ESI+000001EC] X5
0040B0E2 8B96E0010000 MOV EDX,[ESI+000001E0] X2
0040B0E8 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B0EE 51 PUSH ECX-->X5
0040B0EF 52 PUSH EDX-->X2
0040B0F0 50 PUSH EAX-->X1 ;X1 / X2-->X5
0040B0F1 E8DAE7FFFF CALL 004098D0--->;X1 % X2-->X1
0040B0F6 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B0FC 8B8EE0010000 MOV ECX,[ESI+000001E0] X2
0040B102 8B96D8010000 MOV EDX,[ESI+000001D8] X0
0040B108 8986E0010000 MOV [ESI+000001E0],EAX X1-->X2
0040B10E 8B86EC010000 MOV EAX,[ESI+000001EC] X5
0040B114 898EDC010000 MOV [ESI+000001DC],ECX X2-->X1
0040B11A 8B8EE8010000 MOV ECX,[ESI+000001E8] X4
0040B120 52 PUSH EDX-->X0
0040B121 50 PUSH EAX-->X5
0040B122 51 PUSH ECX-->X4
0040B123 E878E3FFFF CALL 004094A0--->X4*X5-->X0
0040B128 8B86E4010000 MOV EAX,[ESI+000001E4] X3
0040B12E 8B96D8010000 MOV EDX,[ESI+000001D8] X0
0040B134 50 PUSH EAX-->X3
0040B135 52 PUSH EDX-->X0
0040B136 50 PUSH EAX-->X3
0040B137 E864F4FFFF CALL 0040A5A0--->X3-X0-->X3
0040B13C 8B86E4010000 MOV EAX,[ESI+000001E4] X3
0040B142 8B8EE8010000 MOV ECX,[ESI+000001E8] X4
0040B148 83C424 ADD ESP,24
0040B14B 898EE4010000 MOV [ESI+000001E4],ECX X4--->X3
0040B151 8986E8010000 MOV [ESI+000001E8],EAX X3--->X4
0040B157 E9EA000000 JMP 0040B246
0040B15C 8B96EC010000 MOV EDX,[ESI+000001EC] X5
0040B162 8B45F8 MOV EAX,[EBP-08] Y1
0040B165 8B8EDC010000 MOV ECX,[ESI+000001DC] X1
0040B16B 52 PUSH EDX--->X5
0040B16C 50 PUSH EAX--->Y1
0040B16D 51 PUSH ECX--->X1
0040B16E E8EDDFFFFF CALL 00409160--->X1*Y1-->X5
0040B173 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B179 50 PUSH EAX--->X1
0040B17A 53 PUSH EBX--->Y2
0040B17B 50 PUSH EAX--->X1
0040B17C E8DFDFFFFF CALL 00409160--->X0*Y2-->X2
0040B181 8B96D8010000 MOV EDX,[ESI+000001D8] X0
0040B187 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B18D 52 PUSH EDX--->X0
0040B18E 57 PUSH EDI--->Y3
0040B18F 50 PUSH EAX--->X2
0040B190 E8CBDFFFFF CALL 00409160--->X2*Y3-->X0
0040B195 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B19B 8B4DFC MOV ECX,[EBP-04] Y0
0040B19E 50 PUSH EAX-->X2
0040B19F 51 PUSH ECX-->Y0
0040B1A0 50 PUSH EAX-->X2
0040B1A1 E8BADFFFFF CALL 00409160--->X2*Y0-->X2
0040B1A6 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B1AC 8B96D8010000 MOV EDX,[ESI+000001D8] X0
0040B1B2 50 PUSH EAX-->X1
0040B1B3 52 PUSH EDX-->X0
0040B1B4 50 PUSH EAX-->X1
0040B1B5 E896F2FFFF CALL 0040A450--->X1+X0-->X1
0040B1BA 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B1C0 8B8EEC010000 MOV ECX,[ESI+000001EC] X5
0040B1C6 50 PUSH EAX-->X2
0040B1C7 51 PUSH ECX-->X5
0040B1C8 50 PUSH EAX-->X2
0040B1C9 E882F2FFFF CALL 0040A450--->X2+X5-->X2
0040B1CE 8B96EC010000 MOV EDX,[ESI+000001EC] X5
0040B1D4 8B45F8 MOV EAX,[EBP-08] Y1
0040B1D7 8B8EE4010000 MOV ECX,[ESI+000001E4] X3
0040B1DD 83C448 ADD ESP,48
0040B1E0 52 PUSH EDX-->X5
0040B1E1 50 PUSH EAX-->Y1
0040B1E2 51 PUSH ECX-->X3
0040B1E3 E878DFFFFF CALL 00409160--->X3*Y1-->X5
0040B1E8 8B86E4010000 MOV EAX,[ESI+000001E4] X3
0040B1EE 50 PUSH EAX-->X3
0040B1EF 53 PUSH EBX-->Y2
0040B1F0 50 PUSH EAX-->X3
0040B1F1 E86ADFFFFF CALL 00409160--->X3*Y2-->X3
0040B1F6 8B96D8010000 MOV EDX,[ESI+000001D8] X0
0040B1FC 8B86E8010000 MOV EAX,[ESI+000001E8] X4
0040B202 52 PUSH EDX-->X0
0040B203 57 PUSH EDI-->Y3
0040B204 50 PUSH EAX-->X4
0040B205 E856DFFFFF CALL 00409160--->X4*Y3-->X0
0040B20A 8B86E8010000 MOV EAX,[ESI+000001E8] X4
0040B210 8B4DFC MOV ECX,[EBP-04] Y0
0040B213 50 PUSH EAX-->X4
0040B214 51 PUSH ECX-->Y0
0040B215 50 PUSH EAX-->X4
0040B216 E845DFFFFF CALL 00409160--->X4*Y0-->X4
0040B21B 8B86E4010000 MOV EAX,[ESI+000001E4] X3
0040B221 8B96D8010000 MOV EDX,[ESI+000001D8] X0
0040B227 50 PUSH EAX-->X3
0040B228 52 PUSH EDX-->X0
0040B229 50 PUSH EAX-->X3
0040B22A E821F2FFFF CALL 0040A450--->X3+X0-->X3
0040B22F 8B86E8010000 MOV EAX,[ESI+000001E8] X4
0040B235 8B8EEC010000 MOV ECX,[ESI+000001EC] X5
0040B23B 50 PUSH EAX-->X4
0040B23C 51 PUSH ECX-->X5
0040B23D 50 PUSH EAX-->X4
0040B23E E80DF2FFFF CALL 0040A450--->X4+X5-->X4
0040B243 83C448 ADD ESP,48
0040B246 8B8630020000 MOV EAX,[ESI+00000230]
0040B24C 33DB XOR EBX,EBX
0040B24E 3BC3 CMP EAX,EBX
0040B250 0F858D010000 JNZ 0040B3E3
0040B256 8B96E0010000 MOV EDX,[ESI+000001E0] X2
0040B25C 52 PUSH EDX
0040B25D E8EED5FFFF CALL 00408850--->检查数据的正负［如果小于40000000返回这个数据]
0040B262 83C404 ADD ESP,04
0040B265 85C0 TEST EAX,EAX
0040B267 0F8476010000 JZ 0040B3E3
0040B26D 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B273 B901000000 MOV ECX,00000001
0040B278 894DEC MOV [EBP-14],ECX ；初始化为1-->Y2
0040B27B 895DE8 MOV [EBP-18],EBX ；初始化为0-->Y3
0040B27E 8B38 MOV EDI,[EAX]
0040B280 895DF8 MOV [EBP-08],EBX ；初始化为0-->Y1
0040B283 3BF9 CMP EDI,ECX
0040B285 894DFC MOV [EBP-04],ECX ；初始化为1-->Y0
0040B288 7517 JNZ 0040B2A1
0040B28A 8B5804 MOV EBX,[EAX+04]
0040B28D 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B293 894DE0 MOV [EBP-20],ECX
0040B296 895DF0 MOV [EBP-10],EBX
0040B299 8B7804 MOV EDI,[EAX+04]
0040B29C E995000000 JMP 0040B336
0040B2A1 8B1CB8 MOV EBX,[EDI*4+EAX]
0040B2A4 8B16 MOV EDX,[ESI]
0040B2A6 85D2 TEST EDX,EDX
0040B2A8 8D4B01 LEA ECX,[EBX+01]
0040B2AB 894DE4 MOV [EBP-1C],ECX
0040B2AE 7549 JNZ 0040B2F9
0040B2B0 85C9 TEST ECX,ECX
0040B2B2 750E JNZ 0040B2C2
0040B2B4 8B8EE0010000 MOV ECX,[ESI+000001E0] X2
0040B2BA 895DF0 MOV [EBP-10],EBX
0040B2BD 8B3CB9 MOV EDI,[EDI*4+ECX]
0040B2C0 EB74 JMP 0040B336
0040B2C2 8B44B8FC MOV EAX,[EDI*4+EAX-04]
0040B2C6 8D55F4 LEA EDX,[EBP-0C]
0040B2C9 52 PUSH EDX
0040B2CA 51 PUSH ECX
0040B2CB 50 PUSH EAX
0040B2CC 53 PUSH EBX
0040B2CD E8CE270000 CALL 0040DAA0--->
0040B2D2 8B8EE0010000 MOV ECX,[ESI+000001E0] X2
0040B2D8 8BD8 MOV EBX,EAX
0040B2DA 8B45E4 MOV EAX,[EBP-1C]
0040B2DD 8D55F4 LEA EDX,[EBP-0C]
0040B2E0 8D3CB9 LEA EDI,[EDI*4+ECX]
0040B2E3 52 PUSH EDX
0040B2E4 50 PUSH EAX
0040B2E5 895DF0 MOV [EBP-10],EBX
0040B2E8 8B4FFC MOV ECX,[EDI-04]
0040B2EB 8B17 MOV EDX,[EDI]
0040B2ED 51 PUSH ECX
0040B2EE 52 PUSH EDX
0040B2EF E8AC270000 CALL 0040DAA0--->
0040B2F4 83C420 ADD ESP,20
0040B2F7 EB3B JMP 0040B334
0040B2F9 8B44B8FC MOV EAX,[EDI*4+EAX-04]
0040B2FD 8D55F4 LEA EDX,[EBP-0C]
0040B300 52 PUSH EDX
0040B301 51 PUSH ECX
0040B302 50 PUSH EAX
0040B303 8B06 MOV EAX,[ESI]
0040B305 50 PUSH EAX
0040B306 53 PUSH EBX
0040B307 E874270000 CALL 0040DA80--->
0040B30C 8B8EE0010000 MOV ECX,[ESI+000001E0] X2
0040B312 8BD8 MOV EBX,EAX
0040B314 8B45E4 MOV EAX,[EBP-1C]
0040B317 8D55F4 LEA EDX,[EBP-0C]
0040B31A 8D3CB9 LEA EDI,[EDI*4+ECX]
0040B31D 52 PUSH EDX
0040B31E 8B16 MOV EDX,[ESI]
0040B320 50 PUSH EAX
0040B321 8B4FFC MOV ECX,[EDI-04]
0040B324 8B07 MOV EAX,[EDI]
0040B326 51 PUSH ECX
0040B327 52 PUSH EDX
0040B328 50 PUSH EAX
0040B329 895DF0 MOV [EBP-10],EBX
0040B32C E84F270000 CALL 0040DA80--->
0040B331 83C428 ADD ESP,28
0040B334 8BF8 MOV EDI,EAX
0040B336 8B45E0 MOV EAX,[EBP-20]
0040B339 85C0 TEST EAX,EAX
0040B33B 7412 JZ 0040B34F
0040B33D 85FF TEST EDI,EDI
0040B33F 0F8487000000 JZ 0040B3CC
0040B345 8BC3 MOV EAX,EBX
0040B347 33D2 XOR EDX,EDX
0040B349 F7F7 DIV EDI
0040B34B 8BC8 MOV ECX,EAX
0040B34D EB30 JMP 0040B37F
0040B34F 8B4DF8 MOV ECX,[EBP-08] Y1
0040B352 03CF ADD ECX,EDI
0040B354 85C9 TEST ECX,ECX
0040B356 7474 JZ 0040B3CC
0040B358 8B55FC MOV EDX,[EBP-04] Y0
0040B35B 8D0417 LEA EAX,[EDX+EDI]
0040B35E 85C0 TEST EAX,EAX
0040B360 8945E4 MOV [EBP-1C],EAX
0040B363 7467 JZ 0040B3CC
0040B365 8B45EC MOV EAX,[EBP-14] Y2
0040B368 33D2 XOR EDX,EDX
0040B36A 03C3 ADD EAX,EBX
0040B36C F7F1 DIV ECX
0040B36E 8B55E8 MOV EDX,[EBP-18] Y3
0040B371 8BC8 MOV ECX,EAX
0040B373 8D0413 LEA EAX,[EDX+EBX]
0040B376 33D2 XOR EDX,EDX
0040B378 F775E4 DIV DWORD PTR [EBP-1C]
0040B37B 3BC8 CMP ECX,EAX
0040B37D 754D JNZ 0040B3CC
0040B37F 8B5DFC MOV EBX,[EBP-04] Y0
0040B382 85DB TEST EBX,EBX
0040B384 7D02 JGE 0040B388
0040B386 F7DB NEG EBX
0040B388 B800000040 MOV EAX,40000000
0040B38D 99 CDQ
0040B38E F7FB IDIV EBX
0040B390 3BC8 CMP ECX,EAX
0040B392 7338 JAE 0040B3CC
0040B394 8B55F8 MOV EDX,[EBP-08] Y1
0040B397 8BD9 MOV EBX,ECX
0040B399 0FAFDA IMUL EBX,EDX
0040B39C 8B45EC MOV EAX,[EBP-14] Y2
0040B39F 8955EC MOV [EBP-14],EDX --->Y2
0040B3A2 8B55FC MOV EDX,[EBP-04] Y0
0040B3A5 2BC3 SUB EAX,EBX
0040B3A7 8BD9 MOV EBX,ECX
0040B3A9 0FAFCF IMUL ECX,EDI
0040B3AC 0FAFDA IMUL EBX,EDX
0040B3AF 8945F8 MOV [EBP-08],EAX --->Y1
0040B3B2 8B45E8 MOV EAX,[EBP-18] Y3
0040B3B5 2BC3 SUB EAX,EBX
0040B3B7 8BDF MOV EBX,EDI
0040B3B9 8945FC MOV [EBP-04],EAX --->Y0
0040B3BC 8B45F0 MOV EAX,[EBP-10]
0040B3BF 8955E8 MOV [EBP-18],EDX --->Y3
0040B3C2 2BC1 SUB EAX,ECX
0040B3C4 895DF0 MOV [EBP-10],EBX
0040B3C7 E968FFFFFF JMP 0040B334
0040B3CC 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B3D2 50 PUSH EAX
0040B3D3 E878D4FFFF CALL 00408850--->检查数据的正负［如果小于40000000返回这个数据]
0040B3D8 83C404 ADD ESP,04
0040B3DB 85C0 TEST EAX,EAX
0040B3DD 0F85EBFCFFFF JNZ 0040B0CE
0040B3E3 837DDCFF CMP DWORD PTR [EBP-24],-01
0040B3E7 7510 JNZ 0040B3F9
0040B3E9 8B86E4010000 MOV EAX,[ESI+000001E4] X3
0040B3EF 50 PUSH EAX
0040B3F0 50 PUSH EAX
0040B3F1 E89AD2FFFF CALL 00408690--->
0040B3F6 83C408 ADD ESP,08
0040B3F9 8B8EE4010000 MOV ECX,[ESI+000001E4] X3
0040B3FF 51 PUSH ECX
0040B400 E84BD4FFFF CALL 00408850--->检查数据的正负［如果小于40000000返回这个数据]
0040B405 83C404 ADD ESP,04
0040B408 85C0 TEST EAX,EAX
0040B40A 7F14 JG 0040B420
0040B40C 8B86E4010000 MOV EAX,[ESI+000001E4] X3
0040B412 8B550C MOV EDX,[EBP+0C]
0040B415 50 PUSH EAX
0040B416 52 PUSH EDX
0040B417 50 PUSH EAX
0040B418 E833F0FFFF CALL 0040A450--->
0040B41D 83C40C ADD ESP,0C
0040B420 8B5D10 MOV EBX,[EBP+10]
0040B423 8B7D14 MOV EDI,[EBP+14]
0040B426 3BDF CMP EBX,EDI
0040B428 7446 JZ 0040B470
0040B42A 8B86E0010000 MOV EAX,[ESI+000001E0] X2
0040B430 8B4D08 MOV ECX,[EBP+08]
0040B433 50 PUSH EAX
0040B434 51 PUSH ECX
0040B435 E856D2FFFF CALL 00408690--->
0040B43A 8B86E8010000 MOV EAX,[ESI+000001E8] X4
0040B440 8B550C MOV EDX,[EBP+0C]
0040B443 8B8EE4010000 MOV ECX,[ESI+000001E4] X3
0040B449 50 PUSH EAX
0040B44A 50 PUSH EAX
0040B44B 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B451 52 PUSH EDX
0040B452 8B96E0010000 MOV EDX,[ESI+000001E0] X2
0040B458 50 PUSH EAX
0040B459 51 PUSH ECX
0040B45A 52 PUSH EDX
0040B45B E8B0ECFFFF CALL 0040A110--->
0040B460 8B86E8010000 MOV EAX,[ESI+000001E8] X4
0040B466 57 PUSH EDI
0040B467 50 PUSH EAX
0040B468 E8B3D1FFFF CALL 00408620--->
0040B46D 83C428 ADD ESP,28
0040B470 8B8EE4010000 MOV ECX,[ESI+000001E4] X3
0040B476 53 PUSH EBX
0040B477 51 PUSH ECX
0040B478 E8A3D1FFFF CALL 00408620--->
0040B47D 8B4518 MOV EAX,[EBP+18]
0040B480 83C408 ADD ESP,08
0040B483 3BC3 CMP EAX,EBX
0040B485 5B POP EBX
0040B486 7414 JZ 0040B49C
0040B488 3BC7 CMP EAX,EDI
0040B48A 7410 JZ 0040B49C
0040B48C 8B96DC010000 MOV EDX,[ESI+000001DC] X1
0040B492 50 PUSH EAX
0040B493 52 PUSH EDX
0040B494 E887D1FFFF CALL 00408620--->
0040B499 83C408 ADD ESP,08
0040B49C 8B86DC010000 MOV EAX,[ESI+000001DC] X1
0040B4A2 50 PUSH EAX
0040B4A3 E8A8D3FFFF CALL 00408850--->检查数据的正负［如果小于40000000返回这个数据]
0040B4A8 83C404 ADD ESP,04
0040B4AB 5F POP EDI
0040B4AC 5E POP ESI
0040B4AD 8BE5 MOV ESP,EBP
0040B4AF 5D POP EBP
0040B4B0 C3 RET
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