1. Cryptographic Library Hardening: PR Enforces Invariants (A-D), Hardens API, Fixes Mypy 1.20+ Compatibility
A critical pull request has been submitted to a cryptographic library, implementing a suite of hardening measures that signal a significant internal security and code quality push. The update enforces four specific cryptographic invariants (labeled A through D) as mandated by the repository owner, a move that formalize...