If you were to somehow get two messages with the same SHA-3 hash, you could keep... | Hacker News

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		danielweber on Feb 24, 2017 \| parent \| context \| favorite \| on: SHA-1 collider: Make your own colliding PDFs If you were to somehow get two messages with the same SHA-3 hash, you could keep on appending the same data to both and they would keep the same SHA-3. But SHA-3 is explicitly not vulnerable to length extension attacks.

fivesigma on Feb 24, 2017 [–]

No they wouldn't, since its internal state is different than the output.

Same goes for SHA-224 and SHA-384.

danielweber on Feb 24, 2017 | [–]

Damn, right, you have to get them with the same internal state.

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