--- Log opened Sun Aug 25 00:00:50 2019
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10:17 < waxwing> what's the story with this btw? https://github.com/bitcoin/bitcoin/blob/master/src/secp256k1/src/modules/ecdh/main_impl.h#L16
10:46 < sipa> waxwing: making the compiler not complain about an unused argument
10:46 < waxwing> gotcha. so it's like something you think you might want to do in future, but not yet
10:48 < waxwing> have you thought much (or at all) about ECIES? what do you think of electrum's choices here? https://github.com/spesmilo/electrum/blob/fd5b1acdc896fbe86d585b2e721edde7a357afc3/electrum/ecc.py#L277-L292
10:49 < waxwing> sha512 makes sense to generate key material for aes128 with a mac, as they show there, but, i'm not sure i can find (or if there is, i doubt it) any sort of "these are the standard choices of primitives".
10:50 < waxwing> i mean obv  you could just use sha256 (e.g. more than once). there's something about this topic in sec1-v2 or whatever it's called but don't think it's really concrete.
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12:20 < andytoshi> i think it's fine to use hmac-sha256 for this
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--- Log closed Mon Aug 26 00:00:52 2019