Jump to content


 


Register a free account to unlock additional features at BleepingComputer.com
Welcome to BleepingComputer, a free community where people like yourself come together to discuss and learn how to use their computers. Using the site is easy and fun. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged in. Other benefits of registering an account are subscribing to topics and forums, creating a blog, and having no ads shown anywhere on the site.


Click here to Register a free account now! or read our Welcome Guide to learn how to use this site.

Photo

MD5 Signature


  • This topic is locked This topic is locked
34 replies to this topic

#1 pcpunk

pcpunk

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 25 June 2014 - 04:00 PM

I would love to understand how to do this, below is from the Linux Tutorial LMseries.  I am not sure I understand where to compare the signature, I could not find what they any signature, I will keep looking.  I tried putting them both into MyDownloads in widows xp and clicked on md5sum.exe>Run and nothing happened.  I also scanned with avast, is that ok?  Will avast be good for scanning an ISO?  
Tutorial quote:
This command should output a series of numbers and letters which comprise the MD5
sum, or signature, of your ISO file. By design, any small change to the ISO file will cause
this signature to be significantly different, allowing us to verify that the file is exactly as
it should be.
 
Compare that signature with the one on the download page of the Linux Mint website. If
the two signatures are the same, then you know your ISO file is exactly the same as the
original and you can now get ready to burn it on DVD
 
Place the ISO file and the md5sum.exe in the same place (let’s say in C:\) and run
“cmd.exe”. In the command line environment, type the following commands:
C:
cd \
md5sum linuxmint.iso
Then compare the signature to the one present on the website.

Edited by pcpunk, 25 June 2014 - 04:12 PM.

sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


BC AdBot (Login to Remove)

 


#2 neilbuddy

neilbuddy

  • Members
  • 42 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Rochester MN
  • Local time:02:36 AM

Posted 25 June 2014 - 04:13 PM

You want to compare the output from the md5sum program with the md5 that they have on their website.  On the linux mint website if you go to the downloads section for the version that you download they have the md5 hash in the information section.



#3 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 25 June 2014 - 04:51 PM

Thanks nielbuddy, I will go look now, I did however scan with avast and mbam then burned the ISO.  I did it before with out the MD5 so I think I should be good.  

Update, I got it thank you.  The MD5 does not work for me though.  Is the problem where I have it, can't imagine it would matter.


Edited by pcpunk, 25 June 2014 - 04:53 PM.

sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#4 NickAu

NickAu

    Bleepin' Fish Doctor


  • Moderator
  • 13,384 posts
  • ONLINE
  •  
  • Gender:Male
  • Location:127.0.0.1 Australia
  • Local time:05:36 PM

Posted 25 June 2014 - 06:19 PM

How to check?
Uses md5sum, the simple way is run the command line straight away. Let say you want to check the file ubuntu-14.04-desktop-i386.iso.

md5sum ubuntu-14.04-desktop-i386.iso

With this, it prints out the 128 bit fingerprint strings. Tally the string you obtained with the provided one.
 
 
Another way let say you have more files to verify, you can create a text file, such as md5sum.txt

283158c7da8c0ada74502794fa8745eb  ubuntu-12.04-alternate-amd64.iso
549ef19097b10ac9237c08f6dc6084c6  ubuntu-13.10-alternate-i386.iso
5717dd795bfd74edc2e9e81d37394349  ubuntu-13.10-alternate-powerpc.iso
99c3a849f6e9a0d143f057433c7f4d84  ubuntu-14.04-desktop-amd64.iso

First column is the md5 string and second column is the location of the file. To check all them from file, do this:
 

md5sum -c md5sum.txt

The output will be like this
 

...
ubuntu-13.10-desktop-amd64.iso: OK
ubuntu-12.04-desktop-i386.iso: OK
...

 
 


 


Edited by NickAu1, 25 June 2014 - 06:20 PM.


#5 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 25 June 2014 - 08:56 PM

Thanks NickAu1, the MD5 did not work though.  I made the disk though so I am good for a while.  I will come back and look this over again when I need it.  Right now I think I my email got hacked so I am busy with that.  Here is the link:  http://www.bleepingcomputer.com/forums/t/539038/yahoo-email-hacked-on-xp-machine/


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#6 NickAu

NickAu

    Bleepin' Fish Doctor


  • Moderator
  • 13,384 posts
  • ONLINE
  •  
  • Gender:Male
  • Location:127.0.0.1 Australia
  • Local time:05:36 PM

Posted 25 June 2014 - 09:05 PM

Are you doing it in Linux or Windows? The above should work in Linux.

 

Microsoft File Checksum Integrity Verifier

http://www.microsoft.com/en-us/download/details.aspx?id=11533


Edited by NickAu1, 25 June 2014 - 09:05 PM.


#7 Guest_RoutaSielu_*

Guest_RoutaSielu_*

  • Guests
  • OFFLINE
  •  

Posted 26 June 2014 - 12:11 AM

If checking MD5 sums in Windows you will need to use a utility.

 

I used this one:

http://download.cnet.com/MD5-SHA-Checksum-Utility/3000-2092_4-10911445.html

 

Works very well, doesn't actually install anything and it not only checks MD5 but also SHA-1, SHA-256 and SHA-512 sums.

It's free, less than 1MB in size, works with Windows XP thru 8



#8 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida

Posted 26 June 2014 - 09:29 AM

I WAS doing this in Windows, and downloaded the MD5 from the tutorial link.  Then ran a scan on it.  Thanks I will try these options.


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#9 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 26 June 2014 - 08:53 PM

If checking MD5 sums in Windows you will need to use a utility.

 

I used this one:

http://download.cnet.com/MD5-SHA-Checksum-Utility/3000-2092_4-10911445.html

 

Works very well, doesn't actually install anything and it not only checks MD5 but also SHA-1, SHA-256 and SHA-512 sums.

It's free, less than 1MB in size, works with Windows XP thru 8

This one worked thanks soooo much!  The MS one did not generate anything that helped me for some reason.  I will provide it if you guys would like to see it.


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#10 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 27 June 2014 - 02:23 PM

This post has been answered is there anything I need to do to show that?


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#11 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 12 July 2014 - 12:23 PM

Hey guys, I am creating liveusb with FD64, before I get into it can you tell me this:  Where should I put the "Save File" I believe this is the right term.  I know with Lucid it was to the HDD but if I understand right you can save it to the usb?  I assume I will get this option in the process.  Thanks Chris.

Also I am trying to get a MD5 CheckSum tool but am not successful yet.  There is one of some kind that came with LMMQ17 libcrypt-passwdmd5-perl but I don't know if this is the right one?  
 
Edit: I just downloaded isomd5sum from Software Manager and am going to try it.

Edited by pcpunk, 12 July 2014 - 12:27 PM.

sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#12 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 12 July 2014 - 12:51 PM

Okay isomd5sum does not even show up in Menu? neither does libccrypt-passwdmd5-perl but both show that they have bee Installed?


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#13 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 12 July 2014 - 02:01 PM

OMG This is so frustrating, I cannot find help anywhere and all the videos on youtube suck!


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#14 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 12 July 2014 - 04:08 PM

I think I messed up guys by the look of the gparted info.  I don't know.

 

1. I just reformatted my usb with usb formatter in LMMQ to ready for fatdog64.

2. Copied the iso to another usb so that I could us Windows XP to do a MD5cksum on it as I could not do it on LMMQ.

3. I then used Unetbootin in xp to make the bootable usb with fatdog but that did not work after the reboot.  The fatdog distro came up but it was all froze and would not do anything.  I rebooted and choose the second choice for fatdog: 'Multi Session Support" then waited around forever and finally it came up still frozen.

4. I then used WindowsXP to reformat the usb AGAIN so that I could try to put PrecisePuppy on it the same way.  This did not work either as fatdog64 seemed to be still on there?

5. I then went back to LMMQ to look at gparted and see if I could reformat the usb more successfully.  This is what I got in these screen shots below.  I am confused as to why I don't see the usb drive there?  I thought is was like omg I don't know but it should have a number one by it right?

Screenshot-LibpartedWarning_zps648112a8.

Screenshot-LibpartedWarning-1_zpsffbaa62Screenshot-LibpartedBugFound_zps24784936Screenshot--dev-sda-GParted_zpse50f1d36.


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 


#15 pcpunk

pcpunk
  • Topic Starter

  • Members
  • 5,984 posts
  • OFFLINE
  •  
  • Gender:Male
  • Location:Florida
  • Local time:03:36 AM

Posted 12 July 2014 - 04:14 PM

I am looking at some of Nicks directions and am starting to make sense of this so hold off on any help for now.


sBCcBvM.png

Created by Mike_Walsh

 

KDE, Ruler of all Distro's

eps2.4_m4ster-s1ave.aes_pcpunk_leavemehere

 





0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users