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Find partition in hex fiend mac os x#
Find partition in hex fiend Patch#
Find partition in hex fiend download#

This entry was posted in Technisches by Justus Philipp Beyer. In other words: This patched version of Disk Utility will not work on any system it was intended to work on, but will start just fine on any other.

Find partition in hex fiend Patch#

The patch above changes that check: The code now says that if the version does match the expectation (i.e. If this is not the case (= not equal), it shows a message and terminates.

Basically it is like this: Disk Utility checks if your system version matches its expectation. You just changed a processor instruction in the application from JNE (Jump Not Equal, opcode 0F 85) to JE (Jump Equal, opcode 0F 84). Openssl dgst -sha256 ~/Desktop/Disk\ Utility.app/Contents/MacOS/Disk\ Utility

You can make sure that you did the patch right by calculating another SHA256 hash on the patched file like this (again compare the long hex number):.

Take care that you overwrite the number instead of insert it.

Select the ’85’ in the right word and change it for ’84’.

As in the screenshot above you should see these two words (yes, they are called like that):.

Scroll down to offset 25056, which is the line where this number appears on the grey’ish bar on the left side of the editor:.

$ sudo ~/Downloads/Hex\ Fiend.app/Contents/MacOS/Hex\ Fiend ~/Desktop/Disk\ Utility.app/Contents/MacOS/Disk\ Utility

Open the restored Disk Utility in Hex Fiend with admin privileges with this command (again adapt the paths to your own):.

If the computed hash value (that long hex number) is the same for you as it is for me you can continue. $ openssl dgst -sha256 ~/Desktop/Disk\ Utility.app/Contents/MacOS/Disk\ Utility

Open the Terminal app (which also resides in the Utilities folder, remember: Command + Shift + U) and verify that you have the same version of Disk Utility as me because otherwise the patch will not work (you may have to adapt this to your paths):.

Find partition in hex fiend download#

Download a Hex editor like the free Hex Fiend.

You will have to enter your password, that’s okay. Select the Disk Utility app and restore it to a place of your choosing.

Browse back in time to a backup before you installed El Capitan.

Go to the Utilities folder (or simply press Command + Shift + U).

Open Time Machine to get a copy of the pre-“El Capitan” Disk Utility:.

Instead, I will explain how you can patch the file yourself:

I cannot provide the binary of the patched Disk Utility as a download since that would violate Apple’s copyright. If you’re doing this, you are on your own and Apple will certainly not support you in a way.

This post explains how to get that old version back.ĭISCLAIMER: Using an outdated version of a system utility bears a lot of risks and may result in the complete loss or corruption of your data. Many features have been sacrificed in favor of an easier and more usable UI.

Find partition in hex fiend mac os x#

In Mac OS X 10.11 (“El Capitan”) Apple replaced the good old “Disk Utility.app” with a completely overhauled and colorful but less powerful version.