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Decrypt Firmware 1.1.3 / 1.1.4

javacom

版主

文章: 3083

于 2008-01-27 15:56

The software update method for Firmware 1.1.3 is released. You may want to know how to decrypt the firmware and look before you upgrade. In fact the decrypt method is already contained in the release. Here is how you can do this without plugging in your iPhone.

(1) Download the jailbreak file from Nate True and extract it in a folder
http://devices.natetrue.com/iphone/ibrickr-jb113.zip

(2) run (run it in dos command) the following batch file (decrypt.bat enclosed) inside the folder that you extract the zip file in step 1 above

echo getting apple firmware 1.1.3
httpget 1.1.3.ipsw http://appldnld.apple.com.edgesuite.net/content.info.apple.com/iPhone/061-4061.20080115.4Fvn7/iPhone1,1_1.1.3_4A93_Restore.ipsw
unzip -o 1.1.3.ipsw 022-3743-100.dmg -d .

echo decrypt firmware 1.1.3
vfdecrypt -i 022-3743-100.dmg -o dec-1.1.3.dmg -k 11070c11d93b9be5069b643204451ed95aad37df7b332d10e48fd3d23c62fca517055816
dmg2img dec-1.1.3.dmg dec-1.1.3.img

echo getting patch file assuming you have firmware 1.1.2
httpget patch.zip http://devices.natetrue.com/iphone/patch112b.zip
unzip -o patch.zip patch.sd3 -d .

echo creating upgrade image
sdelta3 dec-1.1.3.img patch.sd3 > 113_upgrade_image.bin

If you have firmware 1.1.1 please change the httpget patch.zip file to
httpget patch.zip http://devices.natetrue.com/iphone/patch111b.zip

(3) Then you will have 2 new files
dec-1.1.3.img (this is the decrypted firmware from apple in img format)
and
113_upgrade_image.bin (and this is the patched firmware for upgrade in bin format)

(4) you can review these 2 files (*.bin, *.img) in pc program like ultraiso

(5) if you want to read the decrypted firmware file in hfs format (*.dmg)
dec-1.1.3.dmg
you can get hfsexplorer (you need Java runtime as well) for pc
http://hem.bredband.net/catacombae/hfsx.html

or mount it in mac os

P.S.
In case you need a mac binary (Intel and PPC universal) for vfdecrypt. Here it is
http://rapidshare.com/files/40981513/vfdecrypt.zip.html

For Linux, the source code of vfdecrypt is here
http://iphone-elite.googlecode.com/files/vfdecrypt-linux.tar.gz