Implement Lizard encoding/decoding#826

Merged

rozbb merged 27 commits intomainfrom

upstream-lizard

Oct 24, 2025

Commits on Oct 23, 2025

Vendor lizard hash to curve from Signal
Michael Rosenberg
committed
Fmt
Michael Rosenberg
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Make lizard compile; tests pass
Michael Rosenberg
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Move lizard license to acknowledgements
Michael Rosenberg
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Add invalid Lizard encoding test
Michael Rosenberg
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Fix nostd build
Michael Rosenberg
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Remove unnecessary pragmas and imports; improve docs; add personal notes
Michael Rosenberg
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Make clippy happy; remove old TODOs
Michael Rosenberg
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Added lizard details to readme and changelog
Michael Rosenberg
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Upgrade ristretto.sage to Python3
Michael Rosenberg
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Fix runtime error in ristretto.sage
Michael Rosenberg
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Add lizard test vector generation to ristretto.sage
Michael Rosenberg
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Add and clarify lizard test vectors
Michael Rosenberg
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Small cleanup
Michael Rosenberg
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Rename Lizard e^-1 function to e_inv
Michael Rosenberg
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Added map_to_curve and its inverse
Michael Rosenberg
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Use CtOption instead of bitmasks; other cleanup
Michael Rosenberg
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Add README to lizard folder
Michael Rosenberg
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Make clippy happy
Michael Rosenberg
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Fix typos
Michael Rosenberg
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Split map_to_curve into map_to_curve and map_pos_felem_to_curve; make its inverse return 16 elements
Michael Rosenberg
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Defined map_to_curve_restricted; gave it input and output guarantees
Michael Rosenberg
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Avoid repeated Elligator inversion computation
Michael Rosenberg
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Commits on Oct 24, 2025

Consolidate Ristretto Elligator functions into its own file
Michael Rosenberg
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Lizard README: Let e have 2 preimages
rozbb
authored
Typo
rozbb
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Cleanup from README fix
rozbb
authored