Quantum Nexum

Forge.

Hands-on tooling for post-quantum cryptography. Generate keys, sign things, build hybrid certificates, walk a PQ-TLS handshake, compare signature sizes, and get a local PQ-capable OpenSSL working. All in the browser where possible; OpenSSL recipes for the rest.

Panels

keygen          generate ML-KEM and ML-DSA keypairs (dev)
signatures      sign + verify with each PQ algorithm (dev)
compare         ECDSA vs ML-DSA vs SLH-DSA: sizes and timings (dev)
openssl         PQ operations via OpenSSL 3.5 CLI (dev)
hybrid          classical + PQ hybrid signatures, step by step (dev)
pqtls           walk through a PQ TLS handshake (dev)
setup           get a local PQ-capable OpenSSL working (dev)
troubleshoot    common PQ-tooling errors and fixes (dev)
cert-inspector  paste an X.509 cert, get a readable breakdown (dev)
decision-tree   interactive PQC migration decision tree (dev)

What's actually usable today

Panels are landing incrementally as each one passes review. The fastest way to know what works right now is to open the panel and try it; broken panels are obvious. If a panel you need is missing or broken, email hello@quantumnexum.com — what gets prioritized is driven by what people ask for.

What this isn't

Not a replacement for primary sources. Every panel links to the NIST or IETF document that's actually authoritative; Forge just makes the operations runnable. If a sandbox here disagrees with the spec, the spec wins.

Standards Forge tracks

NIST FIPS 203, FIPS 204, FIPS 205; the OpenSSL 3.5 PQ release line; the IETF LAMPS drafts for PQ in X.509; and whatever the Vault page lists as currently relevant.