So many people are getting the SHA1 story wrong. With the collision that Google released, *anyone* can create colliding PDFs for *free*.
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Replying to @notdan @NO_BOOT_DEVICE
No, it's a JPEG image (embedded in the JPEG). You can use any two arbitrary JPEG images.
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The trick is one of the JPEG headers changes length and that allows two independent JPEGs to be interleaved.
7:34 AM - 24 Feb 2017
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