From the lab.

Insights from our audit practice, software releases, and applied cryptography research.

2026.04.02 · Research

Recommending Post-Quantum Native Design Under Epistemic Duress

Symbolic Software is recommending post-quantum native design for all new cryptographic systems. This post examines the evidence behind that recommendation, its limitations, and the epistemic questions the industry should be confronting.

11 min read
2026.03.07 · Research

CE Labs' Approach to TLS: A Critical Analysis

An examination of CE Labs' TLS implementations reveals 75% of valid ECDSA signatures rejected, authentication tags silently dropped, no certificate validation, and remote denial-of-service vectors.

11 min read
2026.03.01 · Software

Making Verifpal Easier to Reason About

Verifpal's analysis engine has been redesigned with a unified equational theory, provenance-tagged values, a formally grounded deduction loop, and a bounded-depth search that runs 3x faster, plus updated tooling across the board.

11 min read
2026.02.24 · Software

Verifpal Workbench: Protocol Analysis in Your Browser

Verifpal now runs entirely in the browser via WebAssembly. The new Workbench at verifpal.com/workbench lets anyone write, verify, and visualize cryptographic protocol models with zero installation.

3 min read
2026.02.23 · Software

Verifpal, Rewritten in Rust

After seven years in Go, Verifpal has been completely rewritten in Rust, gaining a new analysis engine, massive performance improvements, a rich terminal interface, and a novel attack strategy that finds more attacks.

9 min read
2026.02.17 · Research

Even More Bugs in CE Labs' libcrux: ML-DSA

Three findings in libcrux's ML-DSA implementation: a verifier norm check that is dead code due to a wrong constant, a missing bounds check in hint deserialization, and a wrong multiplication specification that renders AVX2 proofs unsound.

12 min read