HTC Eris :: On Phone ROM Checksum Verifier
Sep 5, 2010
On-Phone ROM Checksum Verifier
Download: MD5-Checksum-v2.2.apk (new version!)
Changes in the 2.2 version include:
1. Larger rows and font for easier/better file-selection
2. Sorted list of files displayed in file-selector
3. Retain directory between each file-selection
4. Verify read-access of selected file to prevent force-close
5. Test file's suffix to warn if non jar-type file is selected for jar-verification
6. Add menu support (help, change log, acknowledgements)
Download: MD5-Checksum-v2.1.apk
This version is detailed in a post over at XDA (xda-developers - View Single Post - [Begging] Devs - please publish your MD5's) but its highlights are as follows:
- Still includes all of the functionality of the previous versions
- Now includes two jar file verification functions (they both basically do the same thing; radio button JV1 selects an explicit jar verification (read jar, calculate SHA1 digest, compare to manifest); radio button JV2 just uses the implicit JarFile Java method of jar verification and is much faster since its not doing a second, separate validation (23 seconds for method JV2 on a 100MB ROM vs. 2.5 minutes for method JV1 (all on my Droid X)).
- Now has a file-selector instead of requiring manual filename text input (you can still do this too)
Download: MD5 Checksum v1.1.apk (free!)
Download: checksumdb.txt (save to either /sdcard/download or /sdcard)
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Oct 30, 2010
I'm posting this first here, in the Eris root forum since this forum was my first "home" and I'm hoping this will prove useful to you (especially to those of you that frequently flash new ROMs). I have updated and revamped my old MD5 Checksum app and renamed it to AFV (Android File Verifier). The app is now available (free) in the Market (search for "AFV").
Click 'Show' below for the QR code:
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Jun 14, 2010
Anyone know of an app. that can "Scan" event tickets and verify they're legit? So peeps don't get scammed by scalpers?
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Jul 4, 2010
I have currently been testing the method of rooting leaked 2.1 phones. There was a little discussion running in that thread (and other threads, I've found) that poses the question whether or not the RUU is the same as 2.1 Leak v3. The RUU I'm using is referenced here: [ROM] Official HTC Desire RUU ROMS and OTA Update URLs - xda-developers - which can be found here:
http://shipped-roms.com/shipped/Desire/RUU_Desire_C_Verizon_WWE_2.36.605.1_release_signed _with_driver.exe
Leak 2.1 v3 I'm using is referenced here: HTC DROID Eris OS 2.1v3 download -- which can be found here: PB00IMG.zip. So, the process that I've been using to root these phones involves flashing the RUU OTA onto the phone. With some help from user bftb0, I have taken the time to do the analysis. How did I get system.img and boot.img off of the RUU OTA, you might ask? Well, after I flashed the RUU OTA onto the phone, I went through the Incredible/Slide root method to root the phone I'm working with (without changing any phone settings within Sense).
After getting adb to recognize the device in recovery, I took the steps necessary to flash Amon_RA's recovery. I then took a Nandroid backup of my phone and extracted the system.img and boot.img files off of the SD card where the Nandroid backup was stored. Then, I used unyaffs to unpack system.img into 2 separate directories, and used split_bootimg.pl to unpack boot.img. So, for split_bootimg.pl I did this, starting at the directory where each respective boot.img file is:
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May 14, 2010
I just spent half an hour going through each file in the OTA upgrade ZIP and comparing its CRC (checksum) to the same exact file in the "leak v3" PB00IMG.ZIP, including all of the files inside system.img. Process: First off, just by opening the two ZIP files with 7-Zip I can see that the boot.img, radio.img, and recovery.img are identical. In both ZIPs, their CRCs are EA7388FA, 54C41EEC, and 3F0153F1 respectively.
Since the OTA breaks down system.img into just the files that need updating (for the purpose of keeping the file size as low as possible), the only way to compare the files with system.img in "leak v3" was to use the root ROM created from "leak v3". (Thank goodness there's an unadulterated ROM of it, so the original CRCs are intact!) One by one, I compared the CRCs of the files in the OTA's system folder with the same files in the "leak v3" system folder. Findings: The files that are in the OTA are completely identical to the ones in the leak v3 system.img, with only one exception: The OTA contains an additional app called UpgradeSetup.apk. Obviously, it's only necessary for executing the upgrade..............
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Apr 12, 2010
Anyone know an easy way to check the md5 checksum on a file downloaded with windows (xp)?
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Mar 5, 2012
How do i check MD5 Checksum before flashing a rom?
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Sep 19, 2010
As an additional anti-pirating strategy, I'd like to compute a checksum on my application at runtime. Since my app communicates with a back-end server, I can send the checksum with each message and the server can deny service to altered apps. Not a complete solution to piracy by any means, but a fairly easy way to raise the bar. Anyone know how an app can get access to it's load image at runtime?
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Nov 1, 2010
A while ago I tried to work out how to checksum a function at runtime. As I remember, I failed due to some missing functionality of the class loader from vanilla java. Has anyone managed to do this ?
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May 2, 2010
Using Rom Manager, Clockwork recovery, on any ROM, currently Pete's V1. I have yet to successfully restore a previously backed up ROM without getting the MD5 checksum error. I've tried both from inside Rom Manager, manage backups, and booting into recovery and hitting the backup directory. File names are left at default, as 2010-05-02-02.42.46. Frustrating as I wind up having to start from scratch if a ROM install fails.
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Sep 28, 2010
Following the examples given by Johns Trevor in order to secure Android LVL Applications (http://android-developers.blogspot.com/ 2010/09/securing-android-lvl-applications.html), I've been stuck on one only particular issue. Indeed, here is the matter: The most obvious mechanism is to use a lightweight hash function, such as CRC32, and build a hash of your application's code. You can then compare this checksum with a known good value. You can find the path of your application's files by calling context.GetApplicationInfo() - just be sure not to compute a checksum of the file that contains your checksum! (Consider storing this information on a third-party server.)
Howether, I can't find what I must use in my code to detect an "unwanted" modification inside it.
java.util.zip.CRC32 crc32 = new java.util.zip.CRC32();
crc32.update(whatPutInHere);
I've tried many method related to context.GetApplicationInfo() but no one seems to deliver something that change as soon as the code is modified. Has someone already succeed on CRC32 checksum implementation?
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Dec 5, 2013
have an iBall Andi 3n here. Runs on MediaTek MT6575 SoC. Getting this error while flashing stock rom.
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Apr 17, 2010
will I be able to transfer the paid apps from the Eris to the new phone?
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Sep 18, 2010
if i do a nandroid back up, and then get a refurb eris, can i restore that backup to the new phone?
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Aug 12, 2010
This has been really bugging me today and I need an answer as quick as possible.
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Nov 23, 2009
I was surprised that I really couldn't find much on this, but I can't be the only one with the problem. My Droid Eris is sending blank text messages repeatedly. Is the phone faulty or is there some setting that I can change. I downloaded ChompSMS hoping that would fix it, but it doesn't appear to. When I open my text messaging program, many times it will send a blank text to the last person I texted. The other day, I turned the phone off and turned it back on and it sent a blank text at the exact time I turned it on.
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Jul 14, 2010
I cracked my screen and got a replacement. I am trying to activate the old phone after I have preformed a factory reset. It asked me to input a phone number for activation. I do not want to do this. what are my options.
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May 18, 2010
I am going to try taking my eris in to get it exchanged because of the silent phone problem. I am on leak 3. I have some questions first though.
- Will I even be able to have a legitimate complaint if I am on a leaked version?
- Will a new eris come with 2.1 or 1.5?
- if the new eris has 2.1 what are the chances of this happening again?
I cant stand having to reboot to use my phone as a phone.
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Feb 21, 2010
Whenever I open the "phone interface" to make a call, everything becomes much more sluggish, i.e. when I hit dial, or speakerphone button, there's an input lag. Droid Eris on 1.5.
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Oct 23, 2010
There might be a forum for this, but I didn't see it anywhere. I wanna know what you all think is the best ROM. I want something really clean, and fresh. Please post a screen shot if you can.
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Nov 17, 2010
I would like to know the best overall 2.2 rom there is for the eris, i know a lot of them are buggy but i heard some were decent..
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Oct 31, 2010
So I have ran into a sort of a dilemma, there are at certain times that I need to have access to a fax machine, which I do have a All-in-one printer, copier, scanner fax machine. But without a land line it makes the fax part sort of useless, so I know on some older phones I could use my phone as a 56 K connection, so I was hoping I could either hook my phone up to my computer and using the phone as a modem to do a fax from within windows. Or if their is a app in the market to do it. I do have a fax machine at work, but I don't want to use it unless I absolutely need to.
Any one have any suggestions on how I can go about doing thing?
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Oct 20, 2010
can i tether an eris by HTC?
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Jul 21, 2010
Well good news is I woke up this morning to the update!! Sweet...Or so I thought, Long story short I let it do it things while I was getting ready this morning (30min) and it seemed to work fine (Not 100% sure, wasn't really looking at my phone while driving), then all of a sudden on my ride to work it caught my eye and reset itself, No biggie, then again and again and again...and you guessed it AGAIN!! it won't stop resetting itself! I tried to take out the battery but that didn't work and I'm not going to do the "hard reset" until I show Verizon what it's doing....So has anyone else had this problem after receiving the newest update?
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May 4, 2010
I can not for the life of me get the recovery image to work. I have downloaded sdk and all of the drivers but can not figure out how to get step #10 You can test to make sure everything is working by going to a command prompt, go tools directory of the Android SDK, and type: "ad b shell". If you see a "$" (or "#" if you're already rooted) sign you're good. How do you go to the TOOLS directory of SDK and type ad b shell when I am in my tools directory I do not have a command prompt. When I open a command prompt I can not figure out how to get to where I need to be... Guess this is over my head I can build a Harley motor in my sleep but can not figure this out Any help would be great thanks in advance and sorry for the dumb questions but I cant figure it out.
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Apr 13, 2010
I know there is a TON of info on Root... but i have been reading and reading. and some info is just too tetchy and over my head. so I end up confused. I have a few question I would like to know before I root. (I will be using these instructions : http://androidforums.com/all-things-root-eris/53963-guide-stock-1-5-latest-root-2-1-a.html ). Will rooting my phone make it different? I have read about loosing sense, different ROM options... i really dont understand this. Will my phone basically have a different GUI? Different look to the menus, settings, etc? Can I root and stay on 1.5? A few threads here have convinced me to wait for the OTA. So of course my next question will this root affect the ability for my phone to receive the OTA update? (assuming it ever comes).
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Jul 29, 2010
OK so i had the 2.1 leak on my phone, just recently i read the thread universal rooting on eris for dummies i did that now i wanna install a new Rom on my phone how can i do that?
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Sep 7, 2010
I've been looking for a easy way a newbie could unroot the HTC Dorid Eris from Verizon. I've tried looking for all related threads but none had a clear guide or step by step of how to do it without a PC or from a mac (my case here). Is there anyone still willing to provide such info? Thank you.
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Sep 9, 2010
I'm new and wanna root and install a custom rom to be able to Overclock and change themes. What can I use to root the HTC Eris with the OTA 2.1?
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Apr 26, 2010
I am currently on 2.1v2 and was wondering could I root from it or rooting is only a 1.5 deal?
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