3 ms·
You are describing a first preimage attack. There have not been any computable first (or second) preimage attacks on md5. https://stackoverflow.com/questions/8
by Buge 10y ago
You are describing a first preimage attack. There have not been any computable first (or second) preimage attacks on md5.
https://stackoverflow.com/questions/822638/does-any-published-research-indicate-that-preimage-attacks-on-md5-are-imminent https://stackoverflow.com/questions/822638/does-any-publishe...
There are collision attacks, but that is not relevant for password cracking.
- manarth 10y agoFrom 2009: a preimage attack reduced the complexity from 2^128 to 2^123.4 [1]. It's still a big number, but it's less than the theoretical complexity. [1] https://www.iacr.org/archive/eurocrypt2009/54790136/54790136.pdf https://www.iacr.org/archive/eurocrypt2009/54790136/54790136...
- Buge 10y agoWhat I meant by "computable" is something that can be computed with today's hardware.