4 ms·
What you describe there would be a preimage attack[0], not a collision attack. There is no publicly known practical[1] preimage attack on MD5 at this time. 0.
by ryan-c 11y ago
What you describe there would be a preimage attack[0], not a collision attack. There is no publicly known practical[1] preimage attack on MD5 at this time.
0. http://en.wikipedia.org/wiki/Preimage_attack http://en.wikipedia.org/wiki/Preimage_attack
1. 2^123.4 complexity is not practical