3 ms·
It's not a good hoax at all. You can calculate fixed points for SHA256. This is a quirk, but it's not less costly than actually finding a collision, which means
by dsacco 9y ago
It's not a good hoax at all. You can calculate fixed points for SHA256. This is a quirk, but it's not less costly than actually finding a collision, which means this is a non-vulnerability.
The author effectively hard-coded values.
- lisper 9y ago> You can calculate fixed points for SHA256 Really? How? [UPDATE] Heh, you're right. https://crypto.stackexchange.com/questions/48580/fixed-point-of-the-sha-256-compression-function https://crypto.stackexchange.com/questions/48580/fixed-point...