fipsign-sdk 0.9.6

Post-quantum signing SDK for Python — ML-DSA-65 (NIST FIPS 204)

fipsign-sdk

Post-quantum signing SDK for Python. Signs and verifies any payload using ML-DSA-65 (NIST FIPS 204) — resistant to Shor's algorithm, standardized by NIST in August 2024.

Not just for auth. Sign users, orders, documents, devices, AI agents, events — any entity that needs a tamper-proof, quantum-resistant signature.

📖 Full documentation, API reference, and guides →

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Install

pip install fipsign-sdk

For async support (httpx-based):

pip install fipsign-sdk[async]

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Quick start

1. Create a free account at app.fipsign.dev.
2. In the dashboard, create a project, then create an API key inside it. Save the key — it won't be shown again.
3. Use it:

from fipsign import PQAuth

pq = PQAuth("pqa_your_api_key")

result = pq.sign("user_123", role="admin")
token  = result.token

verified = pq.verify(token)
if not verified.valid:
    raise PermissionError("invalid token")

print(verified.payload["sub"])  # "user_123"

That's signing and verifying. The SDK also covers async usage (AsyncPQAuth), Flask/FastAPI middleware, offline (in-memory) verification, revocation, webhooks, and a full Certificate Authority module (PQCert + X.509) for issuing post-quantum certificates to devices and services — all in the developer guide.

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Why ML-DSA-65?

JWT with RS256/ES256 and standard OAuth tokens rely on ECDSA or RSA — both breakable by Shor's algorithm on a sufficiently powerful quantum computer. ML-DSA-65 is based on lattice problems (Module-LWE / Module-SIS) with no known quantum speedup. Standardized by NIST in August 2024 as FIPS 204.

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Links

• 📖 Developer guide — full API reference, error codes, webhooks, CA/X.509
• Dashboard: app.fipsign.dev
• API status: status.fipsign.dev
• NIST FIPS 204: csrc.nist.gov/pubs/fips/204/final