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[分享]陌陌apksign的计算方法
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发表于:
2012-12-4 01:44
19149
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有兴趣的可以看一下 com.immomo.momo.e.J()
因为是网络程序,所以验证是发到网上进行验证.连接用了HTTPS,防抓包,思路不错.
public static String J()
{
String str1 = a.getApplicationInfo().publicSourceDir;
Class localClass = Class.forName("android.content.pm.PackageParser");
Class[] arrayOfClass1 = new Class[4];
arrayOfClass1[0] = File.class;
arrayOfClass1[1] = String.class;
arrayOfClass1[2] = DisplayMetrics.class;
arrayOfClass1[3] = Integer.TYPE;
Method localMethod1 = localClass.getMethod("parsePackage", arrayOfClass1);
Class[] arrayOfClass2 = new Class[1];
arrayOfClass2[0] = String.class;
Constructor localConstructor = localClass.getConstructor(arrayOfClass2);
Object[] arrayOfObject1 = new Object[1];
arrayOfObject1[0] = "";
Object localObject1 = localConstructor.newInstance(arrayOfObject1);
Object[] arrayOfObject2 = new Object[4];
arrayOfObject2[0] = new File(str1);
arrayOfObject2[1] = null;
arrayOfObject2[2] = a.getResources().getDisplayMetrics();
arrayOfObject2[3] = Integer.valueOf(4);
Object localObject2 = localMethod1.invoke(localObject1, arrayOfObject2);
Class[] arrayOfClass3 = new Class[2];
arrayOfClass3[0] = Class.forName("android.content.pm.PackageParser$Package");
arrayOfClass3[1] = Integer.TYPE;
Method localMethod2 = localClass.getMethod("collectCertificates", arrayOfClass3);
Object[] arrayOfObject3 = new Object[2];
arrayOfObject3[0] = localObject2;
arrayOfObject3[1] = Integer.valueOf(64);
localMethod2.invoke(localObject1, arrayOfObject3);
Signature[] arrayOfSignature = (Signature[])localObject2.getClass().getField("mSignatures").get(localObject2);
Signature localSignature;
if (arrayOfSignature.length > 0)
{
localSignature = arrayOfSignature[0];
if (localSignature == null)
break label267;
}
label267: for (String str2 = a.j(localSignature.toCharsString()); ; str2 = null) //a.j=>MD5
{
return str2;
localSignature = null;
break;
}
}
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