A checksum is a value created from a binary file that can be used to validate its authenticity and integrity. An example of a checksum is MD4, MD5 and SHA-1.

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How to do checksum on web hosting site?

I am having problems uploading a large file to a web site. When the file is subsequently downloaded it is corrupt. How can I do a checksum of the file while it is on the web site so I don't have ...
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1answer
99 views

File corruption detection strategy

due to current high price of hdds, I would like to switch from running RAID1 to JBOD + offsite backup (Backblaze). In theory it's a much better approach (if PC gets fried by lighting strike, I still ...
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75 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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1answer
705 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 ...
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841 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 ...
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129 views

Window Vista cannot create new folder, note, etc when right click and recent items forever empty after crashes

Basically my computer crashes and after I reboot I got a checksum error, so I reboot again and these problems appears: 1):Unable to create new folder, notes, zip file,etc. (when I right click in ...
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82 views

Cannot open an encrypted file on OS X

I cannot decrypt files on OS X (10.6.8 and 10.8.2) which I have encrypted on Ubuntu (10.04) using ccrypt. As a similar problem, I have a password file created with KeePassX. I just cannot open it on ...
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How do I check integrity of a file from DreamSpark?

I have a very unstable connection and it cut off multiple times while downloading Windows 8.1 using Microsoft's SDM, so I'm kind of concerned to how I can check to see if the file is still intact once ...
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CRC Download Errors

I am using a DSL 3Mbit line from my service provider *. I connect to it with a WLAN router. Recently I get a whole lot of CRC errors when I am downloading (For instance when using JDownloader but ...
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Video upload checksums not matching

We have a setup that takes a small quantity of small video uploads directly from people's mobile phones using apps, onto a small VPS. It rejects them if the MD5 checksum on the phone doesn't match the ...