This has to do with a checksum, which is used to confirm the file.    From Wordnik.com.  [VideoHelp.com Forum] Reference

Lastly I send a checksum which is a simple xor of all the data bytes to make sure the data got received without being corrupted.    From Wordnik.com.  [Usabilidoido [ feed completo ]] Reference

Conclusion: Can you still trust SHA-1 as checksum?.    From Wordnik.com.  [HBO: poisoning BT downloads] Reference

IPv4 provides only header integrity achieved with a checksum.    From Wordnik.com.  [IPv6 and its Future prospect in developing countries] Reference

If the checksum DOES NOT match, consider these possible reasons.    From Wordnik.com.  [CA-94:05 CERT Advisory MD5 Checksums] Reference

The Ethernet controller computes a checksum of the entire packet.    From Wordnik.com.  [The KA9Q Internet Software Package by Bdale Garbee] Reference

The checksum information for the file available from ftp. uu.net is.    From Wordnik.com.  [CA-91:10a CERT Advisory REVISION NOTICE: New Patch for SunOS /usr/lib/lpd] Reference

If you find that the checksum is different, please contact the vendor.    From Wordnik.com.  [CA-94:09 CERT Advisory /bin/login Vulnerability] Reference

You may want to add the correct checksum to your copy of the database.    From Wordnik.com.  [CA-94:05 CERT Advisory MD5 Checksums] Reference

Just a quick and easy way for those not used to checking the checksum.    From Wordnik.com.  [Windows 7 ISO Verifier Ensures Your Downloads Are Legit | Lifehacker Australia] Reference

Digitallysick: I don't think anyone has suggested using just a checksum.    From Wordnik.com.  [Windows 7 ISO Verifier Ensures Your Downloads Are Legit | Lifehacker Australia] Reference

We also wish to thank SUN Microsystems for supplying checksum information.    From Wordnik.com.  [CA-94:05 CERT Advisory MD5 Checksums] Reference

The string ends with a checksum; everything in between is an account number.    From Wordnik.com.  [dustbury.com » Carded away] Reference

RAID 5 is striped with checksum with gives fair performance and protection, and.    From Wordnik.com.  [Review: Infrant ReadyNAS — Meandering Passage] Reference

There is no checksum against this without tossing out the notion of secret ballots.    From Wordnik.com.  [Broad Concerns About Internet Voting - The Caucus Blog - NYTimes.com] Reference

It still has source and destination port numbers, and a checksum, but that's about it.    From Wordnik.com.  [The Hiss Case: Another Exchange!] Reference

If you find that the checksum is different please contact Sun or the CERT/CC for verification.    From Wordnik.com.  [CA-91:21 CERT Advisory SunOS NFS Jumbo and fsirand Patches] Reference

Be certain to verify the checksum information to confirm that you have retrieved a valid copy.    From Wordnik.com.  [CA-94:08 CERT Advisory ftpd Vulnerabilities] Reference

If you find that the checksum is different, please contact Sun or the CERT/CC for verification.    From Wordnik.com.  [CA-92:13 CERT Advisory SunOS NIS Vulnerability] Reference

For example, credit card numbers often include a form of checksum that catches reversed numbers.    From Wordnik.com.  [The Volokh Conspiracy » Clive Crook (at The Atlantic) on “ClimateGate”] Reference

If you find that the checksum is different please contact Sun Microsystems or CERT for verification.    From Wordnik.com.  [CA-93:03 CERT Advisory SunOS File/Directory Permissions] Reference

Is there anywhere that shows the MD5 checksum for the official .iso releases both 32-bit and 64-bit?.    From Wordnik.com.  [Pirate Windows 7 RC Used To Build Botnet | Lifehacker Australia] Reference

The size and checksum information in this Advisory have been updated to reflect the new online patch.    From Wordnik.com.  [CA-93:02a CERT Advisory REVISION NOTICE: New Patch for NeXT NetInfo "_writers" Vulnerabilities] Reference

Is there anywhere that shows the MD5 checksum for the official. iso releases (both 32-bit and 64-bit)?.    From Wordnik.com.  [Pirate Windows 7 RC Used To Build Botnet | Lifehacker Australia] Reference

Sep. 18, 1995 Intro. and Appendix B - Added note about checking with vendors for current checksum values.    From Wordnik.com.  [CA-94:05 CERT Advisory MD5 Checksums] Reference

Also, if the spam are pretty similar in content, you can use some type of checksum signature to filter on.    From Wordnik.com.  [MBH Responses to Barton Letters « Climate Audit] Reference

Once unpacked, each shell archive contains additional checksum information in the file "patchfilename. text".    From Wordnik.com.  [CA-93:01 CERT Advisory Revised Hewlett-Packard NIS ypbind Vulnerability] Reference

If we represent the Ethernet header with "E", and the Ethernet checksum with "C", your file now looks like this.    From Wordnik.com.  [The KA9Q Internet Software Package by Bdale Garbee] Reference

In plain English this says that the command checksum returns a string which is the checksum result (RString "checksum".    From Wordnik.com.  [Fedora People] Reference

So make sure if you do download the ISO that you run the MD5 checksum to make sure there were no errors in the downloaded file.    From Wordnik.com.  [Update: Ubuntu Adventure — Meandering Passage] Reference

Had he been looking at a computer monitor, he would have just seen that the checksum for the data packet he was looking at didn't match.    From Wordnik.com.  [State Of War]

Effectively, it's just a human-readable checksum, a safety feature so that a human can spot more easily a mistakenly looked-up identity.    From Wordnik.com.  [Snell-Pym » Identity] Reference

When the other end receives the packet, it recomputes the checksum, and throws the packet away if the answer disagrees with the original.    From Wordnik.com.  [The Hiss Case: Another Exchange!] Reference

Program to calculate and verify file checksums using major checksum algorithms: MD4, MD5.    From Wordnik.com.  [20 Newest Free Software Downloads - Freeware Files.com] Reference