[#MISC-961] "About Texture" info that includes uploader, time of upload, and something like a MD5 in order to detect theft

4. Second Life Misc Issues - MISC

"About Texture" info that includes uploader, time of upload, and something like a MD5 in order to detect theft

Created: 28/Feb/08 05:13 AM Updated: 12/Jan/09 06:12 PM

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This issue Relates to:

VWR-5030 Add showing texture UUID information even with out full perm

~~VWR-1919~~ Remove texture UUID information from UI unless full-perm

SVC-676 Stopping texture theft and stop spreading of stolen items

This issue is related to by:

MISC-962 Create an easy inworld process for getting copyright breaches solved

Description

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I would like in the info of an object and face of an object be able to select a pie menu, texture into. This should open a many giving information about the creator or the texture, uploader, time of upload, uuid, and something like a MD5 sum of the texture. Maybe also display the texture for comparison with an other object.

This feature would make identifying a copied texture trivial for abuse errands.

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McCabe Maxsted added a comment - 28/Feb/08 01:33 PM

Sounds good to me. I'm modifying your summary in order to give a bit more info on the proposal, but other than that I like it.

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miss hera added a comment - 25/Mar/08 01:43 AM

Great idea.

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Strife Onizuka added a comment - 26/Mar/08 04:10 PM

The MD5 of the texture would not be very useful. All an attack would need do is modify one bit of one pixel of the image to change the hash value. Furthermore if you used the hash of the encoded image (instead of the decoded image) there is a lot the attacker could do to the asset that wouldn't effect the decoded image but would change the hash value.

That said, the rest of the proposal sounds like a good idea.

Something that should be known about hashs, they are a persons fingerprint, they don't tell you everything there is to know about the person. Because the hash is not a compression algorithm but a lossy technique it is possible to have dissimilar files have the same hash value. Just because you have a hash collision does not mean the files are identical.

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Valorn Demozay added a comment - 12/Jan/09 06:12 PM

I agree with this almost completely. The only problem I see is displaying the uuid. The "Selected Texture Info" tool previously allowed users to view the uuid of a texture when "View Admin Options" was enabled, which allowed them to steal the texture through a simple llSetTexture script. This was removed after the exploit became well known. I don't think making the uuid viewable again is a wise idea.