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.

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

3.x series

Add allocation-free EdwardsPoint::compress_batch (#832)
Add strobe-rs dependency and delete vendored STROBE impl (#895)
Make signing and verifying keys use pkcs8::spki::SignatureAlgorithmIdentifier instead of DynSignatureAlgorithmIdentifier (#779)
Impl MultipartSigner and MultipartVerifier for SigningKey and VerifyingKey (#764)
Upgrade ed25519 dependency to v3.0.0
Upgrade signature dependency to v3.0.0
Upgrade sha2 and sha3 dependencies to v0.11
Upgrade getrandom dependency to v0.4
Upgrade chacha20 dependency to v0.10
Upgrade rand_core dependency to v0.10.0
Update edition to 2024
Update the MSRV from 1.60 to 1.85
Remove std feature now that error::Error is in core

Add hazmat-gated methods SigningKey::verify_stream() and VerifyingKey::verify_stream()
Add Debug and Eq traits for hazmat::ExpandedSecretKey

Add SigningKey::to_scalar_bytes for getting the unclamped scalar from a signing key
Loosened signature dependency to allow version 2.2

Bump MSRV from 1.41 to 1.60.0
Bump Rust edition
Bump signature dependency to 2.0
Make digest an optional dependency
Make zeroize an optional dependency
Make rand_core an optional dependency
curve25519 backends are now automatically selected
curve25519 backends are now overridable via cfg instead of using additive features
Make all batch verification deterministic remove batch_deterministic (PR #256)
Rename Keypair → SigningKey and PublicKey → VerifyingKey
Remove default-public ExpandedSecretKey API (PR #205)
Make hazmat feature to expose ExpandedSecretKey, raw_sign(), raw_sign_prehashed(), raw_verify(), and raw_verify_prehashed()

Add Context type for prehashed signing
Add VerifyingKey::{verify_prehash_strict, is_weak}
Add pkcs feature to support PKCS #8 (de)serialization of SigningKey and VerifyingKey
Add fast feature to include basepoint tables
Add tests for validation criteria
Impl DigestSigner/DigestVerifier for SigningKey/VerifyingKey, respectively
Impl Hash for VerifyingKey
Impl Clone, Drop, and ZeroizeOnDrop for SigningKey
Remove rand dependency
Improve key deserialization diagnostics