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https://issues.apache.org/jira/browse/CB-49?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13290169#comment-13290169
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Avidan Chen commented on CB-49:
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Thank you for taking the time to reply. After further studying this issue, I
have another suggestion:
If the issue here is the bundle identifier, which according to what you're
saying is public, then let's not use it. Let's use a different key to hash the
MAC address with, which is not known to everyone.
What if each application will supply a secret key in JavaScript to Cordova, and
Cordova will take this secret key and hash it together with the device's MAC
address? The key could come from a remote server, it doesn't have to be
contained in the application itself.
That way, no one but the developers of the application will be able to identify
the user, as they alone will know the secret key. Moreover, since this "secret
key" will not change as well as the MAC address, the hashed value will be the
same whether the user re-installs the app or updates iOS version, etc.
I really need a way to uniquely identify a device across app reinstallation and
device wipe. Every other implementation I've seen (mainly OpenUDID and
SecureUDID) has stored the generated unique ID in the Pasteboard which to my
understanding is wiped if the user uninstalls the application.
I've seen this method discussed here :
http://techcrunch.com/2012/03/30/appredeem-odid/
However I wasn't able to locate their code (although the article states that
their SDK is open source).
> UUID replacement
> ----------------
>
> Key: CB-49
> URL: https://issues.apache.org/jira/browse/CB-49
> Project: Apache Cordova
> Issue Type: Bug
> Components: iOS
> Environment: iOS 5
> Reporter: Shazron Abdullah
> Assignee: Shazron Abdullah
> Priority: Blocker
> Fix For: 1.6.0
>
>
> reported at: https://github.com/phonegap/phonegap-iphone/issues/238
> by: https://github.com/sandstrom
> As you might have read iOS 5 will remove the UDID
> (http://techcrunch.com/2011/08/19/apple-ios-5-phasing-out-udid/).
> This is an excellent alternative and it would be nice if you would implement
> something along these lines to keep the functionality. The idea of hashing
> together with the bundle id is great, because it makes it impossible to track
> across applications, which is what apple wanted to fix (although it can be
> circumvented that would only anger them, and tracking across apps isn't
> required for most apps anyway).
> https://github.com/gekitz/UIDevice-with-UniqueIdentifier-for-iOS-5
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