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Category: Flash AS
File last revision: 07, Oct 2003 09:10:07
License: LGPL
The MD5 algorithm is a secure hash function. It takes a string as input, and produce a fixed 128 bit size number. The function is thought to be secure in the sense that it requires an enormous amount of computing power and time to find a string which hashes to a chosen value. In others words, there's no way to decrypt a secure hash.
Flash content
Comments (25)
i found a program called (spy message) it encrypt messages using images without affecting its resolution
i found it here
http:// WWW.FILEHOG.COM
Here's the tool: http://www.stringfunction.com/md5-hash.html
David
Hi Guys,
Here's an other tool to md5 encrypt, it's so useful!
Try this <a href="http://www.stringfunction.com/md5-hash.html">Md5 Encryption Tool</a>
http://www.stringfunction.com/
David
hi
bgi - the whole point of MD5 is that you can't decode it or if you do it takes a very long time. If you want to send / recieve encrypted messages it might be worth looking at a different encryption method.
can flash receive a encrypted message and decode it?
does anyone have an example?
there is some false information here.
md5 isnt encryption, its a hash so to say "decrypt" is false.
hashes have what are known as collisions, which means two different inputs can produce the same result (which makes sense since files that are megabytes long are hashed into a 32,64,128 (etc) bit number.
the brute force approach is to find these collisions and from that determine the hashing function used and other pertinent information (ie salt).
once that is known, an input can be produced that will create the same output. so its not really decryption. also the amount of computing power required to find these collisions can be immense, so in practical terms, unless you are using a common password or a simple hashing technique, its safe.
You guys seriously don't know what hashes are. A hash is, by definition, unencryptable. The information that comes out of a hash is less information than went into it. Therefore, you cannot work from the hash backwards.
When you enter your password, a program hashes it, then compares hashes.
A brute force attack is one that simply tries all possible passwords. It does not actually crack the hash.
ey..i was wondring people in our school r saying md5 cod be decrypted but ey...its very impossible coz 128-bit encryption needs millions of combinations of characters in order for it to be completed...it needs hundred years to be completed...w/o assurance.
this is great code, but you've got to take out to change all the Math.bitAND to just a function name in order for it to work in actionscript 2.0
