* Vendor lizard hash to curve from Signal
* Add invalid Lizard encoding test
* Added lizard details to readme and changelog
* Upgrade ristretto.sage to Python3
* Add lizard test vector generation to ristretto.sage
* Added map_to_curve and its inverse
* Use CtOption instead of bitmasks; other cleanup
* Add README to lizard folder
* Split map_to_curve into map_to_curve and map_to_curve_restricted; make its inverse return 16 elements
* Consolidate Ristretto Elligator functions into its own file
* Update changelogs and readmes
* Fix missing/wrong features in readmes
* ed: Remove std entirely
* ed: Fix deprecated warnings in bench
* Document removing std from ed
* Implementation of `hash_to_field` as defined in the standard
* Implementation of `hash_to_curve` as defined in the standard, by changing the mechanism over which we chose the sign.
* For the point above, had to change the `elligator_encode` to return whether `eps` is a square or not (required for `hash_to_curve`).
* Included test vectors of the draft.
* Included `FieldElement::from_bytes_wide(bytes: &u8; 64])` to reduce integers encoded in 64 bytes.
* Make AVX512IFMA opt-in backend
* Updated README to have backend info
* Added entry to changelog
---------
Co-authored-by: Michael Rosenberg <michael@mrosenberg.pub>
* Mark constants::BASEPOINT_ORDER_PRIVATE deprecated from pub API
* Move all BASEPOINT_ORDER use private internally
Co-authored-by: Tony Arcieri <bascule@gmail.com>
* Fix CHANGELOG for 4.1.1
---------
Co-authored-by: Tony Arcieri <bascule@gmail.com>
