[Soot-list] Repackaging and signing apk

[Jin Li]

Hi Modhi,
If you set the option as
  Options.v().set_output_format(Options.output_format_dex);
you will get an unsigned apk file. You don't need to unpack it with 7z-.
What you have to do is to sign the output apk file.
There are several way to make it signed. I use those tools which I
mentioned in the last email. You can google how to sign a apk file for
details.


2014-06-14 0:13 GMT+08:00 Modhi Alsobiehy <m99m20 at hotmail.com>:

>  Thanks Steven!
>
> I did not get how that would work!! the apk is already jimplified and
> modified!
> I followed instrumenting Android  tutorial in which:
> I used soot options to get the jimple files from apk source;
> modified the jimple files;
> used soot options to get dex file from jimple source;
>
> now I have the modified classes.dex - found in sootoutput folder - and
> other “original” files /folders form the unpacked  apk - unpacked with 7z-.
> in the tutorial, it is indicated that I should reassemble the apk, does
> that mean exchange the old classes.dex with the new dex file in the old apk
> and repack?? if so, how I should sign it?
> if not, then what are the right steps to get the instrumented apk ready
> for installation?
>
> Thank you!
> -Modhi
>
> Sent from Windows Mail
>
> *From:* Steven Arzt <steven.arzt at cased.de>
> *Sent:* ‎Thursday‎, ‎June‎ ‎12‎, ‎2014 ‎7‎:‎42‎ ‎AM
> *To:* soot-list at CS.McGill.CA <soot-list at cs.mcgill.ca>
>
> Hi,
>
> You should not need to manually repackage the APK file by hand at all.
> Make sure the following Soot options are set:
>
> -src-prec apk
> -output-format dex
> -process-dir <path-to-your-apk>
> -android-jars <path-to-your-sdk-platforms-dir>
>
> Afterwards, you need to manually sign the resulting file using
> jarsigner. Please then try to install your signed APK using adb install
> and send us the exact error message in case it fails.
>
> Best regards,
>    Steven
>
> Am 11.06.2014 16:19, schrieb Modhi Alsobiehy:
> > Hi all,
> >
> > my question is regarding repackaging and signing apks
> > I followed the tutorial of android instrumentation
> >
> > since it was not mention specifically how to reassemble the package
> > after “dexifying” the jimple files, I just unpacked the original
> > apk and exchanged the old classes.dex file with the new modified one!
> > I tried to install the new apk and it gave me “ installation
> > failed!”
> > did I repack it properly!!
> > the added lines in the original apk are Log lines after other Log
> > lines hence the class is already imported!
> > Thanx in advance!
> >
> > Sent from Windows Mail
> >
> >
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>
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