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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-
by danielweber 10y ago
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 10y agoNo they wouldn't, since its internal state is different than the output. Same goes for SHA-224 and SHA-384.
- danielweber 10y agoDamn, right, you have to get them with the same internal state.