The checksum tag has no wiki summary.
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1answer
72 views
Windows File Checksums - Is my system hacked?
I would like to know if there is a utility to verify the checksums of every windows file on my Win 7 Ultimate system. It seems on the surface such an obvious utility but I dont ever remember seeing ...
1
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1answer
37 views
sourceforge checksums: Where are they? [closed]
I've been particular about checksumming all downloaded software. Today, trying to download from Sourceforge, I could not find any checksums for the projects. Am I just missing them or are they not ...
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0answers
31 views
Software that will burn DVDs with a SFV or Pararchive file for each disc?
I'd like to burn several thousand RAW files (.DNG) of around 10-30 MB each to DVD to backup my photo archive. I'm looking for software that can do this and include an SFV-type file on each disc burnt.
...
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0answers
68 views
Where can I find more about hamming code, error bits and parity bits? [closed]
Is a hamming code usually used for single bit error correction?
How are hamming code and parity bits related? Where can I read about this?
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1answer
107 views
Where can I find checksums for the GlassFish Server 3.1.1 Open Source Edition Full Platform zip file?
I've downloaded the Glassfish zip file from http://glassfish.java.net/downloads/3.1.1-final.html and I'd like to verify the integrity of the file, but I can't find any checksums.
Where can they be ...
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3answers
251 views
How does a downloaded ISO get corrupted? [closed]
Possible Duplicate:
Is it possible to get corrupted download with http?
I downloaded an ISO for fedora. Went to install it as a VM. It failed 5 times the installer. The warning for the ...
0
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1answer
95 views
Tool to maintain/keep track of filesystem content integrity?
I'm looking for a tool to maintain the integrity of a filesystem and it's contents using checksums. Effectively storing a list of checksums/filename pairs somewhere on the filesystem in a way that can ...
1
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3answers
76 views
How do I check the checksum of a download and why should I?
My memory isn't great but I think five or six years ago, when I downloaded some package, there was never a checksum line under the download icon on the webpage. And no instructions to "check the ...
1
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2answers
151 views
Checksumming an entire CD/DVD
I'm publishing a set of documentation to be delivered on CD. My Company's European production manager is concerned that he has no way to verify that the data on the discs he produces is correct. He ...
2
votes
1answer
41 views
Backup solution: hash/checksumming and/or error correction
I'm trying to keep my data well protected with backups, using multiple hard drives (basically swapping the backup disk out every week). For checking validity, I was originally planning on md5summing ...
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6answers
105 views
Checksum for Protecting Read-Only Documents
My father owns a small business and has to hand over several year's worth of financial documents to his insurance's auditor. He's asked me to go through and make sure everything is "read-only" so the ...
8
votes
1answer
403 views
Is verifying a MD5 sum after copying 100GB of data safe?
I'm copying 100GB from a Windows 7 workstation to 2 external drives (if you have only one backup, then you have none). All files have a MD5 checksum. I've verified all MD5 checksums on the external ...
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3answers
255 views
Solution for noisy network that corrupts downloaded files
The network on the company where my wife works sucks BIG TIME. Almost every single file bigger then a few hundred kB is corrupted during download and even web pages are sometimes garbled. We checked ...
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2answers
197 views
Verification of files on backup media - after the backup
I have a system in place where I back up my work files daily to a portable hard drive. I actually have two portable hard drives - one is stored off-site and I swap them regularly.
I also keep my ...
0
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1answer
418 views
KDE on Windows won't download/install
No matter which mirror I use, I get this error. I've tried a few times over the last several weeks.
Download failed
---------------------------
The download of ...
0
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1answer
52 views
How can I locate the header + object file of cksum in Mac OS X
I'm trying to locate the header + object file of cksum in Mac OS X, but with no lack. Any suggestions?
1
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1answer
61 views
What does my computer do if it receives a data-packet with a wrong checksum?
Since modern routers don't check the header-checksum any more to increase performance I'm wondering what my computer is doing with defective data-packets?
Further reading links appreciated.
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2answers
444 views
How can I copy files to an external drive and verify their integrity in OS X?
I'm moving large amounts of data from one external drive to another larger one. The files are important and the smaller drives need to be cleared and reused (HD camera). Is there some utility for ...
0
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1answer
115 views
What type of malware can reside in windows restore?
I was reading aking1012's comment on How to create Windows Vista/Windows 7 Startup disk or Rescue disk or system restore points on a CD? .
He says that:
The first thing I usually do is disable ...
0
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2answers
211 views
Which backup apps verify the checksum of what they've written?
I've been using TeraCopy and DirSyncPro for moving & syncing large file sets (1.5TB) between 3 locations- a SMB NAS share, a local drive & an external.
Neither of these solutions are quite ...
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1answer
125 views
Hardware digital signature
Is it possible to show how generate a digital signature, a checksum, or something along those lines based on your computer hardware using an Ubuntu Live CD?
So, once the first digital signature is ...
1
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2answers
664 views
Looking for OS X utility to verify/validate copied files/directories - checksum / SFV / MD5
Looking for the best way to easily validate the integrity of files/folder in OS X when copied from one location to another.
I've downloaded SuperSFV but it appears to be very slow. Also new to the ...
1
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3answers
165 views
tool for maintain incrementally the checksum of a large set of files
I need a tool to generate and maintain the checksum (MD5, SHA1, it does not matter) of all files in a folder or a set of folders, recursively.
Sometimes I will add/update/remove some files and I ...
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2answers
92 views
on a mac, after download a file, how to you do a checksum?
i want to do a checksum on a file I download on my mac, how do you do this?
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4answers
47 views
rsyncing - ignoring checksums
Trying to copy a bunch of data over and time, unfortunately, is of the essence. I'd like to do an rsync of all the data in one direction, pretty much rsync just clobbers what's over on the ...
9
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3answers
3k views
What are these Google SHA1 images?
If you look at this page you'll see an monochrome image.
Above it says
Tip: Use the SHA1 checksum shown to verify file integrity.
However, I don't know if that's related. What are these ...
0
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4answers
508 views
calculate sha1 base32 in windows
i need to calculate checksum of some file, in sha1 base32
any existent windows application i can use?
greets
2
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2answers
839 views
What is the best way to make Calculate SHA1 as a context menu option in Mac OS X?
In order to calculate the SHA1 checksum of a downloaded file, I could type
/usr/bin/openssl sha1
in Terminal and then drag there the file which I want check. To make it simpler, one could enable a ...
2
votes
2answers
108 views
Mass Checksumming tool for Windows?
I'm looking for a command line tool for windows that will go over a directory tree (recursively) and output a list of all the files in there, and a checksum for each file (can be CRC, MD5, whatever).
...
2
votes
1answer
192 views
Is it possible to check a FLV for data corruption?
I have some FLV videos and I'd like to check them for possibile data corruption, even if I'm able to play them without problems. I don't really know if FLV videos store an embedded checksum string for ...
1
vote
1answer
541 views
Is it possible to check a PDF for data corruption?
I have some PDF documents and I'd like to check them for possibile data corruption, even if I'm able to display them without problems. I don't really know if PDF documents store an embedded checksum ...
3
votes
3answers
1k views
A gigabit network interface is CPU-limited to 25MB/s. How can I maximize the throughput?
I have a Acer Aspire R1600-U910H with a nForce gigabit network adapter. The maximum TCP throughput of it is about 25MB/s, and apparently it is limited by the single core Intel Atom 230; when the ...
0
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1answer
167 views
Why am I getting boot errors after a fresh Windows install?
I have a really strange problem. I have a new laptop (no guaranty) and everytime after a clean installation everything is perfectly fine. But when the laptop is powered off for a couple of hours I get ...
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5answers
891 views
File checksum calculator for Windows
I'm looking for a light, fast hash/checksum calculator (eg. MD5, SHA1, etc.). I've been using HashCalc and it works fine enough, but I was wondering if there was something better.
When downloading ...
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2answers
3k views
Keyboard error or no keyboard present
I've been fighting with this for a couple of weeks when booting my PC:
Error keyboard or no keyboard present
CMOS checksum error -Default loaded
And of course there is no way to go any further ...
3
votes
3answers
816 views
Is there anything like HashTab for Linux?
I've recently installed Linux, and I know that you can use "md5sum filename" in terminal, but on Windows there is an AMAZING software called HashTab that incorporates it into the shell.
Its awesome, ...
1
vote
1answer
136 views
md5sum only new files?
I have a directory containing files and an md5sum.txt file.
I add a file new files to the directory.
I would like add md5sum sums for all files that are not in md5sum.txt.
Is there a simple way to do ...
2
votes
4answers
1k views
Single unix command to correctly transfer a large file?
I am trying to transfer a large (~3GB) file between two unix machines.
I can use scp or rsync, but sometimes the transfer is corrupted. (I have to check manually.) I can split the file into pieces ...
2
votes
2answers
163 views
HTTP downloader with good integrity(hash..probably md5) checker built in
I'm trying to download xcode v3.2 from the Apple Developer Connection website, but everytime I download the huge file, it fails to mount due to a checksum error. It's really frustrating! BitTorrent ...
3
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2answers
241 views
TCP Checksum, why?
Why does TCP need a checksum, when lower layers do integrity checks anyways (like Ethernet CRC)?
2
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4answers
155 views
Why would I check my download against a checksum provided by a mirror site?
I thought the point of distributing md5 checksums was so the end user could verify the integrity of the download.
If a high traffic site points me to a mirror site for download, why would I want to ...
4
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8answers
673 views
SFV Software Recommendations?
I'm looking for software recommendations for generating/validating SFV files (CRC32). I currently use "Easy SFV Creator", which is a great software but sadly it's no longer being maintained, and the ...
