When is it worth it to be concerned about this type of attack? Do both files nee... | Hacker News

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vcarl on Nov 4, 2014 | parent | context | favorite | on: How I created two images with the same MD5 hash

When is it worth it to be concerned about this type of attack?

Do both files need to be altered to find a collision, or just one? Can it be done in a fixed file size?

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