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CHANGELOG.md

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Changelog

Entries are listed in reverse chronological order per undeprecated major series.

1.2.5

  • Update the optional packed-simd dependency to rely on a newer, maintained version of the packed-simd-2 crate.

1.2.4

  • Update the clear_on_drop dependency to use any version in the 0.2.x series, rather than =0.2.3.

1.2.3

  • Fix an issue identified by a Quarkslab audit (and Jack Grigg), where manually constructing unreduced Scalar values, as needed for X/Ed25519, and then performing scalar/scalar arithmetic could compute incorrect results.
  • Switch to upstream Rust intrinsics for the IFMA backend now that they exist in Rust and don't need to be defined locally.
  • Ensure that the NAF computation works correctly, even for parameters never used elsewhere in the codebase.
  • Minor refactoring to EdwardsPoint decompression.
  • Fix broken links in documentation.
  • Fix compilation on nightly broken due to changes to the #[doc(include)] path root (not quite correctly done in 1.2.2).

1.2.2

  • Fix a typo in an internal doc-comment.
  • Add the "crypto" tag to crate metadata.
  • Fix compilation on nightly broken due to changes to the #[doc(include)] path root.

1.2.1

  • Fix a bug in bucket index calculations in the Pippenger multiscalar algorithm for very large input sizes.
  • Add a more extensive randomized multiscalar multiplication consistency check to the test suite to prevent regressions.
  • Ensure that that multiscalar and NAF computations work correctly on extremal Scalar values constructed via from_bits.

1.2.0

  • New multiscalar multiplication algorithm with better performance for large problem sizes. The backend algorithm is selected transparently using the size hints of the input iterators, so no changes are required for client crates to start using it.
  • Equality of Edwards points is now checked in projective coordinates.
  • Serde can now be used with no_std.

1.1.4

  • Fix typos in documentation comments.
  • Remove unnecessary Default bound on Scalar::from_hash.

1.1.3

  • Reverts the change in 1.1.0 to allow owned and borrowed RNGs, which caused a breakage due to a subtle interaction with ownership rules. (The RngCore change is retained).

1.1.2

1.1.1

  • Fixed an issue related to #[cfg(rustdoc)] which prevented documenting multiple backends.

1.1.0

  • Adds support for precomputation for multiscalar multiplication.
  • Restructures the internal source tree into serial and vector backends (no change to external API).
  • Adds a new IFMA backend which sets speed records.
  • The avx2_backend feature is now an alias for the simd_backend feature, which autoselects an appropriate vector backend (currently AVX2 or IFMA).
  • Replaces the rand dependency with rand_core.
  • Generalizes trait bounds on RistrettoPoint::random() and Scalar::random() to allow owned and borrowed RNGs and to allow RngCore instead of Rng.

1.0.3

  • Adds ConstantTimeEq implementation for compressed points.

1.0.2

  • Fixes a typo in the naming of variables in Ristretto formulas (no change to functionality).

1.0.1

  • Depends on the stable 2.0 version of subtle instead of 2.0.0-pre.0.

1.0.0

Initial stable release. Yanked due to a dependency mistake (see above).