VisualSVN破解方法

VisualSVN破解⽅法
第⼀步，⾸先准备反汇编⼯具 ildasm.exe,找到VisualSVN的安装路径，⼀般先备份，在备份⾥⾯操作。

第⼆步，转储，得到同名的il⽂件：VisualSVN.Core.L.il，⽤记事本打开得到的 VisualSVN.Core.L.il ⽂件，在其中搜索“KeyToLicenseUnsafe”，找到KeyToLicenseUnsafe⽅法，⼤概在3296⾏附近。

查找并替换成下⾯的代码，然后保存
.method public hidebysig static class VisualSVN.Core.Licensing.License
KeyToLicenseUnsafe(class VisualSVN.Core.IDecoder decoder,
string key) cil managed
{
// 代码⼤⼩ 69 (0x45)
.locals init (class VisualSVN.Core.Licensing.License V_0, class VisualSVN.Core.Licensing.License V_1, class VisualSVN.Core.Licensing.License V_2) IL_0000: nop
IL_0001: newobj instance void VisualSVN.Core.Licensing.License::.ctor()
IL_0006: stloc.1
IL_0007: ldloc.1
IL_0008: ldsfld valuetype [mscorlib]System.DateTime [mscorlib]System.DateTime::MinValue
IL_000d: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::StartTime
IL_0012: ldloc.1
IL_0013: ldc.i4.1
IL_0014: stfld valuetype VisualSVN.Core.Licensing.LicenseBinding VisualSVN.Core.Licensing.License::Binding
IL_0019: ldloc.1
IL_001a: ldc.i4 0x7ffffffe
IL_001f: stfld int32 VisualSVN.Core.Licensing.License::Capacity
IL_0024: ldloc.1
IL_0025: ldsfld valuetype [mscorlib]System.DateTime [mscorlib]System.DateTime::MaxValue
IL_002a: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::EndTime
IL_002f: ldloc.1
IL_0030: ldc.i4.2
IL_0031: stfld valuetype VisualSVN.Core.Licensing.LicenseType VisualSVN.Core.Licensing.License::Type
IL_0036: ldloc.1
IL_0037: ldstr "100"
IL_003c: stfld string VisualSVN.Core.Licensing.License::PurchaseId
IL_0041: ldloc.1
IL_0042: call string [mscorlib]System.Environment::get_UserName()
IL_0047: stfld string VisualSVN.Core.Licensing.License::LicensedTo
IL_004c: ldloc.1
IL_004d: stloc.0
IL_004e: ldloc.0
IL_004f: ldloc.0
IL_0050: ldfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::StartTime
IL_0055: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::PurchaseDate
IL_005a: ldloc.0
IL_005b: stloc.2
IL_005c: br.s
IL_005e
IL_005e:ldloc.2
IL_005f: ret
} // end of method LicenseConverter::KeyToLicenseUnsafe
第三步，⽤vs2015开发⼈员命令提⽰，然后覆盖到 bin⽬录
⽤vs2015开发⼈员命令提⽰运⾏如下代码（换成⾃⼰的）
ilasm "C:\Program Files (x86)\VisualSVN\bins\VisualSVN.Core.L.il" /output="C:\Program Files
(x86)\VisualSVN\bins\VisualSVN.Core.L.dll" /dll
看到如下界⾯
表⽰编译成功，然后把编译好的VisualSVN.Core.L.dll 覆盖到 bin⽬录下就完成破解了。