--- Log opened Sun Oct 07 00:00:30 2018
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11:22 < ddustin> If I use the same tweak in secp256k1_ec_pubkey_tweak_add and secp256k1_ec_privkey_tweak_add to a matching privatekey/publickey pair, will the resulting privatekey/publickey pair match each other?
11:23 < ddustin> Hmm.. is this how hierarchical deterministic wallets are implemented
11:43 < ddustin> Answered my own question: yes.
11:44 < ddustin> Given two public keys (one tweaked one not tweaked), can someone figure out the tweak value -- how secure is that
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15:41 < sipa> ddustin: no
15:42 < sipa> from the secret keys yes, from the public keys no
15:42 < sipa> this is implied by the difficulty of computing discrete logarithms
17:55 < ddustin> sipa: great thanks
18:01 < andytoshi> ddustin: FYI if the tweak value is small/guessable they can certainly just guess them
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--- Log closed Mon Oct 08 00:00:31 2018