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Re: Use SHA256 rather than MD5 for storing images on ROBLOX.

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UneducatedQuoter is not online. UneducatedQuoter
Joined: 29 Aug 2016
Total Posts: 3066
17 Nov 2016 07:12 PM
For people who don't know:
SHA256 and MD5 are both hash functions. This means you give it some data like a picture of a piece of text and it scrambles it and makes it totally unrecoverable. That sounds useless but there is some times when it is important. The main use for it is for making sure PWs are correct without the possibility of a hacker getting into the database and seeing all the PWs.
How is this related to ROBLOX at all? When an image is uploaded, ROBLOX makes an MD5 hash of the image and stores it at their image site on the URL /[the MD5 hash] What is the problem? MD5 hashes have collisions. A collision is when 2 things have the same hash despite being different. As you may know, there is some combinations of items that someone can wear that will make the avatar look totally different. The reason of this is because the hash is the exact same as the one of another picture. Why is SHA256 better? SHA256 has a much lower chance of a collision than MD5, which can reduce the amount of these glitches even as ROBLOX becomes more popular and has many new players join.

Please tell me if I made any mistakes in this or you think I could make this easier to understand.

I want a mod to see this, it could potentially stop many glitches in the future. Even I have plans to mess with this system to have some fun.
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sherlockedholmes is not online. sherlockedholmes
Joined: 03 Feb 2014
Total Posts: 11884
17 Nov 2016 07:14 PM
tldr mi amigo
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Unknown_Commander is online. Unknown_Commander
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17 Nov 2016 07:18 PM
support

OT's official ruski spy
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Vineshroom is online. Vineshroom
Joined: 25 Apr 2009
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17 Nov 2016 07:18 PM
support completely
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17 Nov 2016 07:22 PM
support


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17 Nov 2016 07:44 PM
support
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VindicarAssassinXIII is not online. VindicarAssassinXIII
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17 Nov 2016 07:52 PM
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dont let your memes be dreams or your dreams be memes
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17 Nov 2016 08:06 PM
support
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17 Nov 2016 08:39 PM
bumperoni
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Vineshroom is online. Vineshroom
Joined: 25 Apr 2009
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20 Nov 2016 07:15 AM
yes
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ConservativeKitty is not online. ConservativeKitty
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22 Nov 2016 12:44 PM
my daddy Ng'hwagi sent me here
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give me your robux!11
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TwoCoding is not online. TwoCoding
Joined: 26 Jul 2012
Total Posts: 423
22 Nov 2016 03:11 PM
Lets's hope one of them dont screw up while switching this.




























also support


Join: https://www.roblox.com/My/Groups.aspx?gid=2990630 Also, support this: https://forum.roblox.com/Forum/ShowPost.aspx?PostID=202141089
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Vineshroom is online. Vineshroom
Joined: 25 Apr 2009
Total Posts: 76152
28 Nov 2016 08:55 AM
bump
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Unknown_Commander is online. Unknown_Commander
Joined: 17 May 2014
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28 Nov 2016 02:11 PM
b

Construction for destruction.


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