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.

0.13.0 (2023-03-03)

Added

• PrimeField constants/tests (#730, #737, #738)
• const fn inversions for all field elements (#736)

Changed

• FieldBytesEncoding trait impls (#732)
• Update hash2curve implementations to new API (#735)
• Impl Invert trait for Scalar types (#741)
• Bump ecdsa dependency to v0.16 (#770)
• Bump elliptic-curve dependency to v0.13 (#770)
• Bump primeorder dependency to v0.13 (#777)

Fixed

• Point compactabtility check (#772)

0.12.0 (2023-01-16)

Added

• alloc feature (#670)
• Constructors for Scalar from u128 (#709)

Changed

• Use generic curve arithmetic implementation from primeorder crate (#631, #716)
• Use weak feature activation; MSRV 1.60 (#701)
• Bump ecdsa dependency to v0.15 (#713)

0.11.2 (2022-08-03)

Added

• Re-export low-level diffie_hellman function (#627)

0.11.1 (2022-06-12)

Added

• RFC6979 test vectors (#591)
• Impl serde::{Serialize, Deserialize} for Scalar (#604)

Changed

• Use generic prime order formulas (#601)

0.11.0 (2022-06-03)

Added

• Arithmetic implementation (#565, #573)
  • Addition formulas from Renes-Costello-Batina 2015, adapted from @str4d's implementation in the p256 crate
  • FieldElement::{invert, sqrt} implementations
  • Scalar::{invert, sqrt} implementations
  • Scalar field implementation generated using fiat-crypto
  • Scalar multiplication using 4-bit window ala #563
  • ECDH support using generic implementation from elliptic-curve
  • ECDSA support using generic implementation from the ecdsa crate
• Wycheproof test vectors (#574)
• const fn field arithmetic (#589, #590)

0.10.0 (2022-05-09)

Changed

• Bump digest to v0.10 (#515)
• Have pkcs8 feature activate ecdsa/pkcs8 (#538)
• Bump elliptic-curve to v0.12 (#544)
• Bump ecdsa to v0.14 (#544)

0.9.0 (2021-12-14)

Added

• serde feature (#463)

Changed

• Use sec1 crate for EncodedPoint type (#435)
• Rust 2021 edition upgrade; MSRV 1.56+ (#453)
• Bump elliptic-curve crate dependency to v0.11 (#466)
• Bump ecdsa crate dependency to v0.13 (#467)

0.8.0 (2021-06-08)

Changed

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

0.7.0 (2021-04-29)

Added

• jwk feature (#279)
• Order constant (#328)

Changed

• Rename ecdsa::Asn1Signature to ::DerSignature (#288)
• Bump elliptic-curve crate dependency to v0.9 (#293)
• Bump pkcs8 crate dependency to v0.6 (#319)
• Bump ecdsa crate dependency to v0.11 (#330)

0.6.1 (2020-12-16)

Fixed

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

0.6.0 (2020-12-16)

Changed

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

0.5.0 (2020-12-06)

Added

• PKCS#8 support (#243, #244)

Changed

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

0.4.1 (2020-10-08)

Added

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

0.4.0 (2020-09-18)

Added

• ecdsa::Asn1Signature type alias (#186)

Changed

• Rename ElementBytes => FieldBytes (#176)
• Rename Curve::ElementSize => FieldSize (#150)

0.3.0 (2020-08-10)

Added

• ECDSA types (#73)
• OID support (#103, #113)

Changed

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

0.2.0 (2020-06-08)

Changed

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

0.1.0 (2020-01-15)

• Initial release