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CB-MPC v0.2.2

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@github-actions github-actions released this 01 Sep 16:10
· 1 commit to master since this release
2f2c4f1

This release focuses on security hardening, protocol correctness, and defensive validation. Upgrading is strongly recommended, especially for users of two-party ECDSA signing.

Security

  • Fixed a security issue affecting two-party ECDSA signing. Users of ECDSA-2P should upgrade immediately.
  • Added broad defense-in-depth across cryptographic protocols and primitives, including stricter input validation, fail-closed outputs, and multiple malformed-input and denial-of-service protections.

Highlights

  • Fixed additive-share reconstruction and PVE recovery behavior.
  • Expanded regression testing and updated cryptographic specifications and secure-usage guidance.

Compatibility

The project now explicitly supports only 64-bit macOS and Linux. Previous iOS, Android, and WebAssembly build paths have been removed, and builds use the project’s custom OpenSSL 3.6.4.