4 ms·
I hope that's SHA1 plus a secret salt. Otherwise, I can just build a reverse map of SHA1'd ips. for ip = 0 to 2^32: unhash[SHA1(ip)] = ip.
by fadmmatt 19y ago
I hope that's SHA1 plus a secret salt.
Otherwise, I can just build a reverse map of SHA1'd ips.
for ip = 0 to 2^32: unhash[SHA1(ip)] = ip.
- drm237 19y agoYes it is. But first you'd have to get all of the results from my database, which is cleared every 24 hours (this is not a challenge!).