Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.10.1 (2022-01-17)

Added

• Impl ff::Field trait for FieldElement (#498)
• hash2curve support: impl GroupDigest trait for NistP256 (#503)
• Impl VoprfParameters trait for NistP256 (#506)
• Impl ReduceNonZero<U256> trait for Scalar (#507)
• IDENTITY and GENERATOR point constants (#509, #511)

0.10.0 (2021-12-14)

Added

• Implement point compaction support (#357)
• Implement Scalar::sqrt (#392)
• Impl DefaultIsZeroes for ProjectivePoint (#414)
• Impl PrimeCurveArithmetic (#415)
• Impl Reduce<U256> for Scalar (#436)
• serde feature (#463, #465)
• Impl LinearCombination trait (#476)

Changed

• Use PrimeCurve trait (#413)
• Use sec1 crate for EncodedPoint type (#435)
• Replace ecdsa::hazmat::FromDigest with Reduce (#438)
• Make FromEncodedPoint return a CtOption (#445)
• Rust 2021 edition upgrade; MSRV 1.56+ (#453)
• Leverage generic ECDSA implementation from ecdsa crate ([#462])
• Bump elliptic-curve crate dependency to v0.11 (#466)
• Bump ecdsa crate dependency to v0.13 (#467)

Fixed

• ProjectivePoint::to_bytes() encoding for identity (#443)
• Handle identity point in GroupEncoding (#446)

0.9.0 (2021-06-08)

Added

• AffineArithmetic trait impl (#347)
• PrimeCurve trait impls (#350)

Changed

• Bump elliptic-curve to v0.10; MSRV 1.51+ (#349)
• Bump ecdsa to v0.12 (#349)

0.8.1 (2021-05-10)

Fixed

• Mixed coordinate addition with the point at infinity (#337)

0.8.0 (2021-04-29)

Added

• jwk feature (#279)
• Wycheproof ECDSA P-256 test vectors (#313)
• Order constant (#328)

Changed

• Rename ecdsa::Asn1Signature to ::DerSignature (#288)
• Migrate to FromDigest trait from ecdsa crate (#292)
• Bump elliptic-curve to v0.9.2 (#296)
• Bump pkcs8 to v0.6 (#319)
• Bump ecdsa crate dependency to v0.11 (#330)

Fixed

• DigestPrimitive feature gating (#324)

0.7.3 (2021-04-16)

Changed

• Make ecdsa a default feature (#325)

0.7.2 (2021-01-13)

Changed

• Have std feature activate ecdsa-core/std (#273)

0.7.1 (2020-12-16)

Fixed

• Trigger docs.rs rebuild with nightly bugfix (RustCrypto/traits#412)

0.7.0 (2020-12-16)

Changed

• Bump elliptic-curve dependency to v0.8 (#260)
• Bump ecdsa to v0.10 (#260)

0.6.0 (2020-12-06)

Added

• PKCS#8 support (#243, #244, #245)
• PublicKey type (#239)

Changed

• Bump elliptic-curve crate dependency to v0.7; MSRV 1.46+ (#247)
• Bump ecdsa crate dependency to v0.9 (#247)

0.5.2 (2020-10-08)

Fixed

• Regenerate rustdoc on https://docs.rs after nightly breakage

0.5.1 (2020-10-08)

Added

• SecretValue impl when arithmetic feature is disabled (#222)

0.5.0 (2020-09-18)

Added

• ecdsa::Asn1Signature type alias (#186)
• ff and group crate dependencies; MSRV 1.44+ (#169, #174)
• AffinePoint::identity() and ::is_identity() (#167)

Changed

• Bump elliptic-curve crate to v0.6; ecdsa to v0.8 (#180)
• Refactor ProjectiveArithmetic trait (#179)
• Support generic inner type for elliptic_curve::SecretKey<C> (#177)
• Rename ElementBytes => FieldBytes (#176)
• Rename ecdsa::{Signer, Verifier} => ::{SigningKey, VerifyKey} (#153)
• Rename Curve::ElementSize => FieldSize (#150)
• Implement RFC6979 deterministic ECDSA (#146, #147)
• Rename PublicKey to EncodedPoint (#141)

Removed

• rand feature (#162)

0.4.1 (2020-08-11)

Fixed

• Builds with either ecdsa-core or sha256 in isolation (#133)

0.4.0 (2020-08-10)

Added

• ECDSA support (#73, #101, #104, #105)
• ECDSA public key recovery support (#110)
• OID support (#103, #113)
• Elliptic Curve Diffie-Hellman (#120)

Changed

• Bump elliptic-curve crate dependency to v0.5 (#126)

0.3.0 (2020-06-08)

Changed

• Bump elliptic-curve crate dependency to v0.4 (#39)

0.2.0 (2020-04-30)

Added

• Constant time scalar multiplication (#18)
• Group operation (#15)

0.1.0 (2020-01-15)

• Initial release