第一步，首先準備反匯編工具 ildasm.exe,找到VisualSVN的安裝路徑，一般先備份，在備份里面操作。

第二步，轉儲 ， 得到同名的il文件：VisualSVN.Core.L.il，用記事本打開得到的 VisualSVN.Core.L.il 文件，在其中搜索 “KeyToLicenseUnsafe”，找到KeyToLicenseUnsafe方法，大概在3296行附近。查找并替換成下面的代碼，然后保存

.method public hidebysig static class VisualSVN.Core.Licensing.LicenseKeyToLicenseUnsafe(class VisualSVN.Core.IDecoder decoder,string key) cil managed{// 代碼大小 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: nopIL_0001: newobj instance void VisualSVN.Core.Licensing.License::.ctor()IL_0006: stloc.1IL_0007: ldloc.1IL_0008: ldsfld valuetype [mscorlib]System.DateTime [mscorlib]System.DateTime::MinValueIL_000d: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::StartTimeIL_0012: ldloc.1IL_0013: ldc.i4.1IL_0014: stfld valuetype VisualSVN.Core.Licensing.LicenseBinding VisualSVN.Core.Licensing.License::BindingIL_0019: ldloc.1IL_001a: ldc.i4 0x7ffffffeIL_001f: stfld int32 VisualSVN.Core.Licensing.License::CapacityIL_0024: ldloc.1IL_0025: ldsfld valuetype [mscorlib]System.DateTime [mscorlib]System.DateTime::MaxValueIL_002a: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::EndTimeIL_002f: ldloc.1IL_0030: ldc.i4.2IL_0031: stfld valuetype VisualSVN.Core.Licensing.LicenseType VisualSVN.Core.Licensing.License::TypeIL_0036: ldloc.1IL_0037: ldstr "100"IL_003c: stfld string VisualSVN.Core.Licensing.License::PurchaseIdIL_0041: ldloc.1IL_0042: call string [mscorlib]System.Environment::get_UserName()IL_0047: stfld string VisualSVN.Core.Licensing.License::LicensedToIL_004c: ldloc.1IL_004d: stloc.0IL_004e: ldloc.0IL_004f: ldloc.0IL_0050: ldfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::StartTimeIL_0055: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::PurchaseDateIL_005a: ldloc.0IL_005b: stloc.2IL_005c: br.sIL_005eIL_005e:ldloc.2IL_005f: ret} // end of method LicenseConverter::KeyToLicenseUnsafe

第三步，用vs2015開發人員命令提示??，然后覆蓋到 bin目錄?

?

用vs2015開發人員命令提示? 運行如下代碼（換成自己的）

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

表示編譯成功，然后把編譯好的VisualSVN.Core.L.dll 覆蓋到 bin目錄下就完成破解了。

?

轉載于:https://www.cnblogs.com/fengju8899/p/10605981.html

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