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Uniqueness of Checksums as Idenifiers #9

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metalivedev opened this issue Feb 1, 2013 · 1 comment
Closed

Uniqueness of Checksums as Idenifiers #9

metalivedev opened this issue Feb 1, 2013 · 1 comment

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@metalivedev
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How sure are you of that checksum's "universal uniqueness"?
That seems like a much shorter UUID than any other I've seen, and assuming that a faulty checksum uniquely identifies a container could lead to some terrible collisions.

@shykes
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shykes commented Feb 1, 2013

You're right, the IDs are too short. The UI shows a truncated ID to keep the output readable. The actual checksum is a SHA256 of the full content in tar archive. Going forward that's what we'll use as a canonical identifier.

@shykes shykes closed this as completed Feb 25, 2013
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