To decompress some output file(s), simply pass -z <idx> where idx is the index
of the file to decompress, starting from 0. For example
upgtool -e NW_WM_FW.UPG -o tmp/ -m nw-wm1a -z 6 -z 7
to decompress files 6 and 7. To compress file, use the same options:
upgtool -c NW_WM_FW.UPG -m nw-wm1a -z 2 script.sh md5sum.txt system.img
Change-Id: I1ef0b3e02c98e58154f1a959fb1ad70ad2ce6500
In order to avoid the crypto++ mess, the code uses the Windows Cryptography API,
which is standard. There is also some makefile magic to cross-compile:
make PREFIX=i686-w64-mingw32- EXE_EXT=.exe
I selected the option so that it should statically link supports libraries used
by gcc (slsj and libwinpthread).
Change-Id: Iaf07da23afe81ed217fb3921ce13367c5441514d
The new code supports reading and writing UPG files. I kept the old keysig
search code but it only supports the old format (the new format has too long
keys anyway). Since we now have to support two types of encryption(DES and AES),
I reorganized the crypto routines and clean-up some code.
Change-Id: Ie9be220ec2431ec6d0bd11699fa0493b62e1cec2
We already use Crypto++ for DES anyway, and using OpenSSL is not great because
of its incompatible licence.
Change-Id: I78771b84c1708795a0c0c30afa5bdfe4885dea4e
The new search has two new features:
- it takes advantage of the fact that DES keys are only 56-bit long (and not 64)
- it is now multithreaded
As a proof of concept, I ran it on the A10 series firmware upgrade and was able
to find the key in a few seconds using 4 threads. The search is still limited
to ascii hex passwords (seems to work on all devices I have tried thus far).
Change-Id: Ied080286d2bbdc493a6ceaecaaadba802b429666
