--- Log opened Tue May 03 00:00:12 2022 00:34 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has joined #bitcoin-wizards 00:51 -!- Guyver2 [~Guyver@77-174-98-73.fixed.kpn.net] has joined #bitcoin-wizards 02:10 -!- AaronvanW [~AaronvanW@user/AaronvanW] has joined #bitcoin-wizards 02:43 -!- vtnerd [~weechat@173.21.102.33] has quit [Ping timeout: 276 seconds] 03:38 -!- Guyver2 [~Guyver@77-174-98-73.fixed.kpn.net] has left #bitcoin-wizards [Closing Window] 05:23 -!- bitdex [~bitdex@gateway/tor-sasl/bitdex] has quit [Quit: = ""] 05:44 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has quit [Quit: My iMac has gone to sleep. ZZZzzz…] 06:42 -!- ghost43 [~ghost43@gateway/tor-sasl/ghost43] has joined #bitcoin-wizards 07:03 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has joined #bitcoin-wizards 08:18 -!- FuzzyAdams [~FuzzyAdam@159.203.58.36] has joined #bitcoin-wizards 08:39 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has quit [Quit: My iMac has gone to sleep. 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ZZZzzz…] 14:30 < jeremyrubin> another one: 14:30 < jeremyrubin> bip seems ambiguous to if changing the key version allows changing the signature length 14:33 < jeremyrubin> it looks like new key types can have shorter sig 14:37 -!- vtnerd [~weechat@173.21.102.33] has joined #bitcoin-wizards 14:43 -!- Zenton [~user@user/zenton] has quit [Ping timeout: 240 seconds] 14:55 -!- antonleviathan [~antonlevi@cpe08a7c0b41e4e-cm08a7c0b41e4c.cpe.net.cable.rogers.com] has joined #bitcoin-wizards 15:05 -!- AaronvanW [~AaronvanW@user/AaronvanW] has quit [Quit: Leaving...] 15:05 -!- yanmaani [~yanmaani@gateway/tor-sasl/yanmaani] has quit [Remote host closed the connection] 15:05 -!- yanmaani [~yanmaani@gateway/tor-sasl/yanmaani] has joined #bitcoin-wizards 15:09 -!- djb27 [~djb27@user/djb27] has quit [Ping timeout: 248 seconds] 15:13 -!- yanmaani [~yanmaani@gateway/tor-sasl/yanmaani] has quit [Ping timeout: 240 seconds] 15:15 -!- djb27 [~djb27@user/djb27] has joined #bitcoin-wizards 15:25 -!- yanmaani [~yanmaani@gateway/tor-sasl/yanmaani] has joined #bitcoin-wizards 15:26 -!- antonleviathan [~antonlevi@cpe08a7c0b41e4e-cm08a7c0b41e4c.cpe.net.cable.rogers.com] has quit [Quit: Client closed] 15:37 -!- djb27 [~djb27@user/djb27] has quit [Ping timeout: 276 seconds] 16:35 -!- tun4 [~tun4@cpe08a7c0b41e4e-cm08a7c0b41e4c.cpe.net.cable.rogers.com] has joined #bitcoin-wizards 16:49 < _aj_> for unknown key types "the signature validation is considered to be successful"; sig length checking only happens during signature validation. that doesn't seem ambiguous to me, but patches accepted *shrug*. looking now, it does seem a bit ambiguos how an empty sig with an unknown key type is meant to be treated though 17:13 -!- BUSY [~BUSY@user/busy] has quit [Read error: Connection reset by peer] 17:17 -!- BUSY [~BUSY@user/busy] has joined #bitcoin-wizards 17:56 < jeremyrubin> precisely this situation came up 17:58 < jeremyrubin> shesek was asking if we could do, e.g. key type 0xab for CTV-in-checksig or something, and we were figuring out if we could do key type 0xab followed by 32 bytes and null sig, or key type 0xab with a 32 byte signature 17:58 < jeremyrubin> and it wasn't clear from the spec what was actually allowed 19:08 -!- PT [~PT3@r186-54-2-67.dialup.adsl.anteldata.net.uy] has joined #bitcoin-wizards 19:11 < _aj_> have the key be "-1" and the sig be the hash would be my first thought 19:12 < _aj_> to be upgradable, you need to be able to know whether checksig returns true or false; so it always returns true (or aborts the script) if the sig is non-empty, and always returns false if the sig is empty 19:15 < _aj_> oh, the "empty" vs non-empty behaviour is explained in the following bullet points, which are independent of known/unknown-ness 19:54 -!- tun4 [~tun4@cpe08a7c0b41e4e-cm08a7c0b41e4c.cpe.net.cable.rogers.com] has quit [Ping timeout: 252 seconds] 20:05 -!- bitdex [~bitdex@gateway/tor-sasl/bitdex] has joined #bitcoin-wizards 20:17 -!- geyaeb2 [~geyaeb@gateway/tor-sasl/geyaeb] has joined #bitcoin-wizards 20:18 -!- geyaeb [~geyaeb@gateway/tor-sasl/geyaeb] has quit [Ping timeout: 240 seconds] 21:53 -!- djb27 [~djb27@user/djb27] has joined #bitcoin-wizards 22:21 -!- PT [~PT3@r186-54-2-67.dialup.adsl.anteldata.net.uy] has left #bitcoin-wizards [Leaving] 23:18 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has joined #bitcoin-wizards 23:31 -!- tromp [~textual@dhcp-077-249-230-040.chello.nl] has quit [Quit: My iMac has gone to sleep. 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