ecdsa adaptor sigs [WIP]#861

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jesseposner wants to merge 28 commits intobitcoin-core:masterfrom

jesseposner:jp/ecdsa-adaptor-sigs

Commits on Dec 7, 2020

add ecdsa_adaptor module

jonasnick
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jesseposner
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Move R from adaptor_proof to adaptor_sig and fix args of _adapt

jonasnick
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jesseposner
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Add dleq proof and dleq verify

jonasnick
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jesseposner
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Move dleq things in own file and add adaptor sign

jonasnick
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jesseposner
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Add ecdsa_adaptor_sig_verify

jonasnick
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jesseposner
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Add ecdsa_adaptor_adapt

jonasnick
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jesseposner
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add ecdsa_adaptor_extract_secret

jonasnick
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jesseposner
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cleanup: stricter input validation

jonasnick
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jesseposner
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Cleanup a few more things

jonasnick
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jesseposner
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Fix adaptor_sig_verify: should compare scalars and not fe's

jonasnick
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jesseposner
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Clean up docs and reenable tests

jonasnick
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jesseposner
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Make ecdsa_adaptor_sig_verify compare full points instead of only x coords

jonasnick
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jesseposner
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Add gen2 to dleq challenge and nonce function

jonasnick
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Update TODOs

jonasnick
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jesseposner
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Update docs

jonasnick
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jesseposner
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Fix dleq tag by removing trailing NUL bytes

jonasnick
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jesseposner
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Fix not checking return value of dleq_proof in ecdsa_adaptor_sign

jonasnick
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jesseposner
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Fix dleq tag for challenge hash too

jonasnick
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jesseposner
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Fix not checking the return value of secp256k1_ge_set_xo_var

jonasnick
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jesseposner
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Return 0 in ecdsa_adaptor_extract_secret if the sigs are unrelated

jonasnick
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jesseposner
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Fix merge
jesseposner
committed

Commits on Dec 11, 2020

Commits on Dec 23, 2020