Re: [sleuthkit-users] Question about Hash
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From: Oscar V. <osc...@gm...> - 2011-04-15 14:39:49
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(not sure whether I should reply to all these groups you've sent this to so if that's not done, then my appologies) Assuming you're in bash and your disk is /dev/sda and you're using dd, you could do something like this; dd if=/dev/sda | md5sum To make the image and calculate the hash; dd if=/dev/sda | tee >( md5sum ) > /somepathsomewhere/myimage.dd The nice thing of the above line is that you can add many more commands (lookup 'tee' and 'bash process substitution') working on the data. dd if=/dev/sda | tee >( md5sum ) >( sha1sum ) >( strings > img.txt ) > /somepath/myimage.dd to calc the hash of your imagefile md5sum /somepath/myimage.dd Obviously, there are lots of other ways to achieve the same thing, this is just one of them. cheers Oscar On Fri, Apr 15, 2011 at 3:18 PM, Anderson Clayton <and...@gm...> wrote: > Hi guys, > > I am new in computer forensics, but i have a dumb question. > I hope you guys could help me > I want to verify the integrity of my image, so i want to compare the hashes > of my source disk and the copy i made with DD. > my question is: how can I obtain hash sums of my source disk? > I have to mount some live-CD and calculate with MD5 or SHA1? > > How is the command line that i can obtain the hash of my source disk??? > The command line is: md5sum /dev/sda ??? > > I know its a dumb question, but i would thank if you guys could help me > > Thanks > Anderson > ------------------------------------------------------------------------------ > Benefiting from Server Virtualization: Beyond Initial Workload > Consolidation -- Increasing the use of server virtualization is a top > priority.Virtualization can reduce costs, simplify management, and improve > application availability and disaster protection. Learn more about boosting > the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev > _______________________________________________ > sleuthkit-users mailing list > https://lists.sourceforge.net/lists/listinfo/sleuthkit-users > http://www.sleuthkit.org > > |