--- Log opened Fri Apr 19 00:00:48 2019 00:33 -!- TheoStorm [~TheoStorm@host-g4sn8hj.cbn1.zeelandnet.nl] has joined #bitcoin-wizards 02:00 -!- Shabbypenguin [~Shabbypen@89.238.178.75] has quit [] 02:15 -!- setpill [~setpill@unaffiliated/setpill] has joined #bitcoin-wizards 02:20 -!- markus-k [~markus@server01.comtime-it.eu] has joined #bitcoin-wizards 02:43 -!- emilsedgh [~emilsedgh@185.204.1.185] has joined #bitcoin-wizards 02:48 -!- setpill [~setpill@unaffiliated/setpill] has quit [Quit: o/] 02:55 -!- setpill [~setpill@unaffiliated/setpill] has joined #bitcoin-wizards 03:22 -!- spinza [~spin@155.93.246.187] has quit [Quit: Coyote finally caught up with me...] 03:27 -!- spinza [~spin@155.93.246.187] has joined #bitcoin-wizards 03:55 -!- AaronvanW [~AaronvanW@unaffiliated/aaronvanw] has joined #bitcoin-wizards 04:04 -!- rusty [~rusty@pdpc/supporter/bronze/rusty] has joined #bitcoin-wizards 04:06 -!- rusty [~rusty@pdpc/supporter/bronze/rusty] has quit [Client Quit] 04:07 -!- rusty 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[Quit: pinheadmz] 07:12 < jmabsd> Wait, libsecp256k1 has no secp256k1_ec_pubkey_verify(), why ? 07:12 < jmabsd> Only secp256k1_ec_seckey_verify(). 07:21 < jmabsd> Indeed private keys have a limitation to their interval, so validating one makes sense. 07:22 < waxwing> jmabsd, there's a pubkey_parse 07:22 < jmabsd> oh good point hmm 07:22 < waxwing> https://github.com/bitcoin/bitcoin/blob/master/src/secp256k1/include/secp256k1.h#L246-L260 07:25 < jmabsd> waxwing: let's see in its logics if it has any failure cases. 07:26 < waxwing> jmabsd, you're thinking the function implementation might be 'return 1'? :) 07:26 < jmabsd> waxwing, lols, thanks for suggesting. 07:27 < jmabsd> waxwing, you mean as alternative to return 2 - 1; 07:31 < jmabsd> waxwing, interesting, yeah indeed there are two failure code paths in pubkey_parse. 07:32 < jmabsd> relative to input values, so certainly invalid pubkeys are valid, and parse_pubkey's documentation also discusses the possibility of an invalid pubkey. 07:36 < waxwing> jmabsd, i don't know what you mean, aren't there three failure paths here? https://github.com/bitcoin/bitcoin/blob/452bb90c718da18a79bfad50ff9b7d1c8f1b4aa3/src/secp256k1/src/eckey_impl.h#L17-L35 07:36 < jmabsd> waxwing: exactly 07:37 < waxwing> prob this is a bit offtopic though, maybe you can ask in #secp256k1 if there's something you particularly want to figure out 07:37 < jmabsd> oh it has its own channel, who could have guessed. 07:38 < jmabsd> waxwing: anyhow secp256k1_ec_pubkey_parse()'s success depends on secp256k1_eckey_pubkey_parse()'s, and for a compressed pubkey that one as you point out depend on both secp256k1_fe_set_b32()'s and secp256k1_ge_set_xo_var()'s success, and when you dig into those two they both have failure cases 07:44 -!- jmabsd_ [~quassel@14-0-170-197.static.pccw-hkt.com] has joined #bitcoin-wizards 07:44 -!- jmabsd_ [~quassel@14-0-170-197.static.pccw-hkt.com] has left #bitcoin-wizards [] 07:47 -!- jmabsd 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