--- Day changed Wed Dec 18 2019 00:43 -!- kabaum [~kabaum@185.224.57.161] has quit [Ping timeout: 245 seconds] 00:51 -!- jonatack [~jon@2a01:e0a:53c:a200:bb54:3be5:c3d0:9ce5] has quit [Ping timeout: 252 seconds] 01:22 -!- kabaum [~kabaum@93.182.128.34] has joined ##taproot-bip-review 01:50 -!- llfourn` [~user@n1-43-68-239.mas2.nsw.optusnet.com.au] has joined ##taproot-bip-review 01:51 -!- b10c [~Thunderbi@2001:16b8:2e69:ad00:bdc2:7225:1152:ec29] has joined ##taproot-bip-review 01:55 -!- b10c [~Thunderbi@2001:16b8:2e69:ad00:bdc2:7225:1152:ec29] has quit [Ping timeout: 248 seconds] 01:55 -!- llfourn` [~user@n1-43-68-239.mas2.nsw.optusnet.com.au] has quit [Ping timeout: 248 seconds] 02:07 -!- jeremyrubin [~jr@c-67-180-60-249.hsd1.ca.comcast.net] has quit [Ping timeout: 265 seconds] 02:08 -!- b10c [~Thunderbi@2001:16b8:2e69:ad00:aae2:2ded:1e8:be83] has joined ##taproot-bip-review 02:22 -!- cdecker_ is now known as cdecker 03:34 -!- andytoshi [~apoelstra@unaffiliated/andytoshi] has quit [Read error: Connection reset by peer] 03:46 -!- orlovsky [~dr-orlovs@194.230.155.171] has quit [Quit: Textual IRC Client: www.textualapp.com] 03:46 -!- dr-orlovsky [~dr-orlovs@194.230.155.171] has joined ##taproot-bip-review 03:48 -!- ghost43 [~daer@gateway/tor-sasl/daer] has joined ##taproot-bip-review 03:50 -!- llfourn` [~user@n1-43-68-239.mas2.nsw.optusnet.com.au] has joined ##taproot-bip-review 03:54 -!- llfourn` [~user@n1-43-68-239.mas2.nsw.optusnet.com.au] has quit [Remote host closed the connection] 03:55 -!- llfourn` [~user@n1-43-68-239.mas2.nsw.optusnet.com.au] has joined ##taproot-bip-review 04:02 -!- kabaum [~kabaum@93.182.128.34] has quit [Ping timeout: 268 seconds] 04:08 -!- llfourn` [~user@n1-43-68-239.mas2.nsw.optusnet.com.au] has quit [Read error: Connection reset by peer] 05:23 -!- evoskuil[m] [evoskuilma@gateway/shell/matrix.org/x-tmsowizymstuluov] has quit [Ping timeout: 240 seconds] 06:30 < _andrewtoth_> 243748 07:18 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined ##taproot-bip-review 07:18 -!- _andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Ping timeout: 260 seconds] 07:23 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Ping timeout: 260 seconds] 07:30 -!- evoskuil[m] [evoskuilma@gateway/shell/matrix.org/x-xjwunjczxxtfwkke] has joined ##taproot-bip-review 07:31 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined ##taproot-bip-review 07:36 < pinheadmz> Where can I learn more about this? 07:36 < pinheadmz> For points P on the secp256k1 curve it holds that has_square_y(P) = not has_square_y(-P). 07:37 < pinheadmz> Is this a property of all elliptic curves? i.e. for each X there exists one Y that is a quadratic residue and one that is not 07:46 -!- evoskuil[m] [evoskuilma@gateway/shell/matrix.org/x-xjwunjczxxtfwkke] has quit [Remote host closed the connection] 08:06 -!- kabaum [~kabaum@185.224.57.161] has joined ##taproot-bip-review 08:14 < waxwing> pinheadmz, see note 6 in bip-schnorr; it's true because -1 is not a square mod p where p is the order of the finite field used for the coordinates. that's true because p is 3 mod 4. 08:14 < waxwing> there's a note about that at the start of this wiki section: https://en.wikipedia.org/wiki/Quadratic_residue#Prime_modulus 08:15 < waxwing> well not the start 08:52 -!- evoskuil[m] [evoskuilma@gateway/shell/matrix.org/x-yqzpcmmvnrlpmhgg] has joined ##taproot-bip-review 08:54 -!- pinheadmz [~matthewzi@pool-100-33-69-78.nycmny.fios.verizon.net] has quit [Remote host closed the connection] 08:54 -!- pinheadmz [~matthewzi@100.33.69.78] has joined ##taproot-bip-review 08:57 < sipa> pinheadmz: or more mechanically, you can test that there is no point with x coordinate zero 08:58 < sipa> (loading pubkey 0x020000... will fail) 09:01 -!- kabaum [~kabaum@185.224.57.161] has quit [Ping timeout: 252 seconds] 09:08 < pinheadmz> brilliant, thanks 09:15 -!- andytoshi [~apoelstra@wpsoftware.net] has joined ##taproot-bip-review 09:15 -!- andytoshi [~apoelstra@wpsoftware.net] has quit [Changing host] 09:15 -!- andytoshi [~apoelstra@unaffiliated/andytoshi] has joined ##taproot-bip-review 09:19 -!- jonatack [~jon@2a01:e0a:53c:a200:bb54:3be5:c3d0:9ce5] has joined ##taproot-bip-review 09:46 -!- ajonas_ [sid385278@gateway/web/irccloud.com/x-ayugqrnskdapahcx] has quit [] 09:54 -!- michaelfolkson [~textual@2a00:23c5:be04:e501:99be:e649:5b10:dfc1] has joined ##taproot-bip-review 09:56 -!- ajonas [sid385278@gateway/web/irccloud.com/x-lnpsdvfqkgrossdo] has joined ##taproot-bip-review 10:12 -!- rottensox [~rottensox@unaffiliated/rottensox] has left ##taproot-bip-review ["Bye"] 11:11 -!- michaelfolkson [~textual@2a00:23c5:be04:e501:99be:e649:5b10:dfc1] has quit [Quit: Sleep mode] 11:53 -!- michaelfolkson [~textual@2a00:23c5:be04:e501:99be:e649:5b10:dfc1] has joined ##taproot-bip-review 11:54 -!- michaelfolkson [~textual@2a00:23c5:be04:e501:99be:e649:5b10:dfc1] has quit [Client Quit] 12:16 -!- michaelfolkson [~textual@2a00:23c5:be04:e501:99be:e649:5b10:dfc1] has joined ##taproot-bip-review 12:17 -!- michaelfolkson [~textual@2a00:23c5:be04:e501:99be:e649:5b10:dfc1] has quit [Client Quit] 12:41 -!- jeremyrubin [~jr@c-67-180-60-249.hsd1.ca.comcast.net] has joined ##taproot-bip-review 13:22 -!- b10c [~Thunderbi@2001:16b8:2e69:ad00:aae2:2ded:1e8:be83] has quit [Ping timeout: 245 seconds] 13:31 -!- yaslama_ [~yaslama@bzq-218-78-150.red.bezeqint.net] has joined ##taproot-bip-review 13:31 -!- yaslama [~yaslama@bzq-218-78-150.red.bezeqint.net] has quit [Quit: yaslama] 14:08 -!- lukedashjr [~luke-jr@unaffiliated/luke-jr] has joined ##taproot-bip-review 14:09 -!- luke-jr [~luke-jr@unaffiliated/luke-jr] has quit [Ping timeout: 265 seconds] 14:13 -!- lukedashjr is now known as luke-jr 14:59 -!- b10c [~Thunderbi@muedsl-82-207-236-050.citykom.de] has joined ##taproot-bip-review 15:27 -!- b10c [~Thunderbi@muedsl-82-207-236-050.citykom.de] has quit [Ping timeout: 265 seconds] 15:40 -!- luke-jr [~luke-jr@unaffiliated/luke-jr] has quit [Read error: Connection reset by peer] 15:41 -!- luke-jr [~luke-jr@unaffiliated/luke-jr] has joined ##taproot-bip-review 19:01 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Remote host closed the connection] 19:01 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined ##taproot-bip-review 19:07 -!- jonatack [~jon@2a01:e0a:53c:a200:bb54:3be5:c3d0:9ce5] has quit [Ping timeout: 245 seconds] 19:30 -!- soju [uid403160@gateway/web/irccloud.com/x-tcrquuktobvkxqmf] has joined ##taproot-bip-review 20:31 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Remote host closed the connection] 20:31 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined ##taproot-bip-review 21:24 -!- andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has quit [Remote host closed the connection] 21:24 -!- _andrewtoth_ [~andrewtot@gateway/tor-sasl/andrewtoth] has joined ##taproot-bip-review 21:40 -!- soju [uid403160@gateway/web/irccloud.com/x-tcrquuktobvkxqmf] has quit [Quit: Connection closed for inactivity] 23:19 -!- kabaum [~kabaum@2001:9b1:efd:9b00::281] has joined ##taproot-bip-review