Timeline for Swapping a single bit inside a 40 bytes inputs fed to keccak256. Is it safe to assume no change in the first 20 bytes can result in the same hash?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
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| Oct 19, 2019 at 4:12 | vote | accept | user2284570 | ||
| Oct 16, 2019 at 7:55 | history | edited | kelalaka | CC BY-SA 4.0 |
added 381 characters in body
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| Oct 15, 2019 at 19:50 | comment | added | kelalaka | That should be almost impossible. You can try that and if you find you will be famous since you find a weakness in SHA3. We expect that SHA3 has the avalanche effect, so 1-bit change will randomly affect almost half of the output bits | |
| Oct 15, 2019 at 19:49 | comment | added | user2284570 | single bit difference in the input. | |
| Oct 15, 2019 at 19:49 | comment | added | kelalaka | What do you mean by single difference? On the output or in the 20-byte? | |
| Oct 15, 2019 at 19:48 | comment | added | kelalaka | Only the padding is changed. If there were a huge difference, Wikipedia will have a different page for KECCAK other than SHA3. | |
| Oct 15, 2019 at 19:43 | history | answered | kelalaka | CC BY-SA 4.0 |