MD5 Whats is this MD5 URGENT!!!!!!

Hello
Please tell whats this MD5 . I already know this explaination...
MD5 produces an 128-bit (16 byte) message digest
The MD5 algorithm takes as input a message of arbitrary
length and produces as output a 128-bit "fingerprint" or
"message digest" of the input. It is intended for digital
signature applications, where a large file must be
"compressed" in a secure manner before being encrypted
with a private (secret) key under a public-key cryptosystem
such as RSA.
can anyone put this in simpler words . PLSSSSSSSSSSSSSSSSSSSS
I have to understand whats it is.
Pls Help Urgent.
Thanks
praveena

Do you know what a checksum is? Or a hashcode? It's kind of like a more complex checksum or hashcode.
You perform operations (shift, or, and, xor...) on the bytes of a message and produce a 16-byte "summary".
If somebody changes any one bit or byte of the original message, the output will be very different. It's very difficult to come up with two different input messages that have the same 16-byte output output, so if you get this fingerprint through a trusted channel, it can serve as a way to check that the original message you receive is in fact what was sent--it hasn't been tampered with.

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ITOB_SERIALNO_MODIFY_SINGLE
FU ITOB_SERIALNO_MODIFY_SINGLE
Short text
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Message Received: May 04 2015, 04:52 PM
From: "dj_paige" <[email protected]>
To: "Carlo Bragagnolo" <[email protected]>
Cc:
Subject: I have just sought to update my lightroom and am now unable to access the develop function and get a note stating that I have
reduced functionality what it this about and how do I get my product back
dj_paige created the discussion
"I have just sought to update my lightroom and am now unable to access the develop function and get a note stating that I have reduced functionality what it
this about and how do I get my product back"
To view the discussion, visit: https://forums.adobe.com/message/7510559#7510559
>

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Panics Since Last Report: 10
Anonymous UUID: F4CF708D-D85C-4EC5-8047-4FC22C6B03AF
Fri Mar 7 13:00:14 2014
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MD5 Whats is this MD5 URGENT!!!!!!

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