verifying reproducible APKs: apksigcopier

[Felix C. Stegerman]

Hi Torsten,

* Torsten Grote <t at grobox.de> [2021-03-31 16:58]:
> On Sunday, 28 March 2021 22:02:33 -03 Felix C. Stegerman wrote:
> > apksigcopier [2], a tool to copy APK signatures
> > from a signed APK to an unsigned one.
> 
> What kind of signatures does the tool support (couldn't find 
> this in the README)? v1, v2 and v3?

Correct.  I've added this information to the README :)

- Felix