--- Log opened Fri Feb 18 00:00:02 2022
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02:14 < real_or_random> yet another beg, sorry: it would be helpful to get some Concept ACKs or comments on https://github.com/bitcoin-core/secp256k1/issues/1065 
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15:21 < hg> Am I understanding correctly that secp256k1_ec_pubkey_tweak_mul() is taking a point and multiplying it by a scalar? (which, in multiplicative notation, is equivalent to raising a point to a power?)
15:45 < hg> (certainly looks like it; moving forward under the assumption that I might have any idea of what I'm doing ☺)
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15:57 < sipa> yes, it is, but it's probably not what you want to use (it's variable time, and slow due to its need to map to affine coordinates)
15:57 < sipa> the internal ec multiplication code is significantly faster (it uses jacobian coordinates, and has constant and variable time versions)
16:00 < halosghost> mm
16:00 < halosghost> I'll keep that in-mind
16:01 < halosghost> the thing I'm working on is mostly a proof-of-concept for now, so I'm not terribly concerned with performance
16:02 < sipa> i guess what i'm trying to say is: libsecp's API is intended for high-level specific protocols. If you're working on your own protocol (which I think you are?), you should probably fork it and add APIs for that, rather than trying to map it to the existing APIs.
16:03 < halosghost> mm
16:03 < halosghost> I probably need to defer to a few of my colleagues on that choice (still very much getting my feet wet)
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23:50 < real_or_random> I don't assume it's necessary but when I was about to merge https://github.com/bitcoin-core/secp256k1/pull/1033, I thought "let's run the exhaustive tests with group order 199" once
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23:50 < real_or_random> running for 18h now... has anyone a rough idea how long they need? 
--- Log closed Sat Feb 19 00:00:03 2022