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How to Create UIImage from NSData and Avatar Data of XMPP?

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Hi, This question is related to Iphone SDK, NSData and UIImage.

I am trying to create an image from the Avatar Data returned from the xmpp like the following: Away due to idle.0awaya3f549fa9705e7ead2905de0b6a804227ecdd404a3f549fa9705e7ead2905de0b6a804227ecdd404

So in this case, I assume that a3f549fa9705e7ead2905de0b6a804227ecdd404 is the photo data. So How can I transfer this into NSData?

I think if I can get the NSData object, I can easily create the UIImage, right?
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Commented:
It's not that easy. Or, maybe, I do not understand the problem and your program.
NSData is a class allowing to store raw data. It is useful if your app is downloading a file. Or if you need to save a data on disk.

This way works fine:

NSString *file = @"/Library/Test/test.png";
NSImage* image = [[NSImage alloc] initWithContentOfFile:file];
NSData* data = [image TIFFRepresentation];

[image release];

Opposite is a bit problem. At least you need to know the format of the data.

Commented:
You can check this nice article:
Convert an NSImage to CIImage
http://theocacao.com/document.page/350/

Few comments under the article are interesting too.