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bitcoin-core / secp256k1 Public

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Signed-digit multi-comb ecmult_gen algorithm#1057

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sipa wants to merge 12 commits intobitcoin-core:masterbitcoin-core/secp256k1:masterfrom sipa:202112_sdmcsipa/secp256k1:202112_sdmcCopy head branch name to clipboard

Conversation Commits12 (12)Checks Files changed

Commits

Commits on Dec 29, 2021

Add secp256k1_scalar_half
sipa
committed
Initial gej blinding -> final ge blinding
sipa
committed
Signed-digit multi-comb ecmult_gen algorithm

peterdettman
authored and
sipa
committed
Always generate tables for current (blocks,teeth) config
sipa
committed
Provide 3 configurations accessible through ./configure
sipa
committed
Optimization: move 2^COMB_BITS-1 offset into ctx->scalar_offset
sipa
committed
Optimization: first table lookup needs no point addition
sipa
committed
Optimization: avoid unnecessary doublings in precomputation

peterdettman
authored and
sipa
committed
Make secp256k1_scalar_get_bits support 32-bit reads
sipa
committed
Optimization: use Nx32 representation for recoded bits

peterdettman
authored and
sipa
committed
Reduce side channels from single-bit reads

peterdettman
authored and
sipa
committed
Reintroduce projective blinding
sipa
committed

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