软件名称:Math ActivityMaker Skills v2.20
主要功能:MATH ACTIVITYMAKER FRACTIONS(分数数学出题软体)是 GEPETO SOFTWARE公司出品的教学软体之一,该公司出版的一系列软体,都很适用中小学教师在教学中使用,或学生自行操作学习。程序包括addition/subtractions skills(分数加减运算),multiplication/division skills(分数乘除运算),GCF worksheet(最大公因数),LCM worksheet(最小公倍数),reducing fractions(约分),greater/less than(比较分数大小),value-matching(数值配对连连看),fraction fill-in (扩分)等功能!非常容易使用!
破解工具:SmartCheck
破解过程:
用SmartCheck调用程序,输入姓名coldeye、注册码787878,提示密码错误,退出。查看记录:
Len(String:"coldeye") returns LONG:7 姓名长度
Arguments
--------------------
String string1 = 0013474C
= "coldeye"
Long (7) --> Integer (7)
Long 7
Integer 7
Mid(VARIANT:ByRef String:"coldeye", long:1, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 1 0x00000001
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"c") returns Integer:99 取第一位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "c"
Mid(VARIANT:ByRef String:"coldeye", long:2, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 2 0x00000002
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"o") returns Integer:111 取第二位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "o"
Mid(VARIANT:ByRef String:"coldeye", long:3, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 3 0x00000003
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"l") returns Integer:108 取第三位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "l"
Mid(VARIANT:ByRef String:"coldeye", long:4, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 4 0x00000004
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"d") returns Integer:100 取第四位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "d"
Mid(VARIANT:ByRef String:"coldeye", long:5, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 5 0x00000005
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"e") returns Integer:101 取第五位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "e"
Mid(VARIANT:ByRef String:"coldeye", long:6, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 6 0x00000006
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"y") returns Integer:121 取第六位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "y"
Mid(VARIANT:ByRef String:"coldeye", long:7, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0013474C
= "coldeye"
Long length = 7 0x00000007
start (variant)
Integer .iVal = 1 0x0001
Asc(String:"e") returns Integer:101 取第七位字母的ASCII值
Arguments
--------------------
String string = 0014E28C
= "e"
Str(VARIANT:Integer:963) ASCII值总和
Arguments
--------------------
number (variant)
Integer .iVal = 963 0x03C3
Mid(VARIANT:ByRef String:" 963", long:1, VARIANT:Integer:1)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0014E93C
= " 963"
Long length = 1 0x00000001
start (variant)
Integer .iVal = 1 0x0001
Len(String:" 963") returns LONG:4
Arguments
--------------------
String string1 = 0014E93C
= " 963"
Right(VARIANT:ByRef String:" 963", long:3)
Arguments
--------------------
string (variant)
unsigned short * * .pbstrVal = 00154FA4
String = 0014E93C
= " 963"
Long length = 3 0x00000003
Len(String:"78787878") returns LONG:8 注册码长度
Arguments
--------------------
String string1 = 0013474C
= "78787878"
Right(VARIANT:String:"78787878", long:6) 取后6位
Arguments
--------------------
string (variant)
String .bstrVal = 0014E93C
= "78787878"
Long length = 6 0x00000006
MsgBox(VARIANT:String:"Invalid ...", Integer:0, VARIANT:Missing, VARIANT:Missing, VARIANT:Missing) returns Integer:1
Arguments
--------------------
prompt (variant) 密码错误
String .bstrVal = 0017778C
= "Invalid Registration Code. Please re-enter the registration info"
Long buttons = 0 0x00000000
title (variant)
Long .scode = -2147352572 0x80020004
helpfile (variant)
Long .scode = -2147352572 0x80020004
context (variant)
Long .scode = -2147352572 0x80020004
总结:
注册算法:将注册名的各位ASCII值加起来,与注册码的第三位开始进行比较。注册码首二位可以是任何值。
Name:coldeye
Password:cn963