--- Log opened Fri Jan 11 00:00:18 2019 01:05 -!- Cory [~Cory@unaffiliated/cory] has quit [Read error: Connection reset by peer] 01:13 -!- Cory [~Cory@unaffiliated/cory] has joined #secp256k1 01:31 -!- elichai2 [uid212594@gateway/web/irccloud.com/x-yfezjpsglftfhrtz] has joined #secp256k1 01:59 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Remote host closed the connection] 04:23 -!- elichai2 [uid212594@gateway/web/irccloud.com/x-yfezjpsglftfhrtz] has quit [Quit: Connection closed for inactivity] 07:46 -!- arubi [~ese168@gateway/tor-sasl/ese168] has quit [Remote host closed the connection] 07:47 -!- arubi [~ese168@gateway/tor-sasl/ese168] has joined #secp256k1 09:12 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 09:16 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Ping timeout: 268 seconds] 10:40 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 11:45 < ddustin> Is there a way to check if a public key matches a signature without knowing the digest payload? 11:47 < arubi> requires solving DLP afaik since you only get z*G from knowledge of (r,s) and P 11:47 < arubi> well, ecdlp :) 11:47 < nsh> (and this is what lets people twiddle existing signatures onto junk messages) 11:48 < nsh> (as happened recently with @satoshi) 11:51 < arubi> I think recent twiddling was different, where you'd come up with some random R, set s as some relation and derive z as some relation of the two (but maybe there was another thing) 11:52 < nsh> hmm 11:53 < arubi> I believe what ddustin is asking is if there's some way to get z from 'zG = rP - sR' where you only know the right hand side scalars 11:54 < arubi> even knowing the DL of P you still can't do it. need DL of R too 11:55 < nsh> ah 14:21 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Remote host closed the connection] 14:25 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 14:54 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Remote host closed the connection] 14:55 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 14:55 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Remote host closed the connection] 14:55 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 14:55 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Remote host closed the connection] 17:16 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 18:52 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Remote host closed the connection] 18:52 -!- ddustin [~ddustin@unaffiliated/ddustin] has joined #secp256k1 18:57 -!- ddustin [~ddustin@unaffiliated/ddustin] has quit [Ping timeout: 258 seconds] 20:10 -!- arubi [~ese168@gateway/tor-sasl/ese168] has quit [Remote host closed the connection] 20:10 -!- arubi [~ese168@gateway/tor-sasl/ese168] has joined #secp256k1 --- Log closed Sat Jan 12 00:00:18 2019