go-ethereum/crypto/keccak/README.md
Felix Lange 8e1de223ad
crypto/keccak: vendor in golang.org/x/crypto/sha3 (#33323)
The upstream libray has removed the assembly-based implementation of
keccak. We need to maintain our own library to avoid a peformance
regression.

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Co-authored-by: lightclient <lightclient@protonmail.com>
2026-02-03 14:55:27 -07:00

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This is a vendored and modified copy of golang.org/x/crypto/sha3, with an assembly
implementation of keccak256. We wish to retain the assembly implementation,
which was removed in v0.44.0.
Ethereum uses a 'legacy' variant of Keccak, which was defined before it became SHA3. As
such, we cannot use the standard library crypto/sha3 package.