Find the cryptography a quantum computer will break, replace it with the NIST post-quantum standards through one API, and prove it to your customers and auditors.
| Algorithm | Status | Uses |
|---|---|---|
| RSA-2048TLS key exchange | Quantum-vulnerable | 12 |
| ECDSA P-256Signing tokens | Quantum-vulnerable | 4 |
| AES-256-GCMData at rest | Holds up | 9 |
| ML-KEM-768Qopanza API | Quantum-safe | 3 |
Built on the post-quantum standards
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Encrypted traffic recorded today can be unlocked once a large quantum computer exists. Anything that has to stay private for years (health records, contracts, identity documents) is already exposed to whoever keeps a copy.
NIST published the post-quantum standards in August 2024: ML-KEM for key exchange, ML-DSA and SLH-DSA for signatures. There is nothing left to wait for.
Governments have set dates, running into the early 2030s, to retire RSA and elliptic-curve cryptography. Every plan to meet them starts with a list of what you use and where. Almost no one has that list.
Becoming quantum-safe is three jobs. Qopanza does all three, so the list you start with is the list you finish with.
Scan your source code, dependencies and TLS endpoints. Qopanza builds an inventory of the cryptography you depend on and ranks it by quantum risk.
Encrypt and sign with ML-KEM, ML-DSA and SLH-DSA, or hybrid X25519 + ML-KEM-768, from nine languages. Then turn the inventory into a migration plan you approve and track.
Every key operation is written to a tamper-evident audit log. Point-in-time attestations and evidence exports show customers and auditors where you stand.
Call the API from the language you already use. Qopanza holds the keys, rotates them and records every use, or you keep them yourself in zero-knowledge mode.
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import os
from qopanza import QopanzaClient
client = QopanzaClient(api_key=os.environ["QOPANZA_API_KEY"])
# ML-KEM-768 + AES-256-GCM, with a key Qopanza manages for you
sealed = client.encrypt(plaintext=b"card ending 4242")
client.decrypt(**sealed) # b"card ending 4242"Start building quantum-safe.
Fix the leaks in your live app.
Migrate, and prove it.
For regulated organisations.
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ML-KEM, ML-DSA and SLH-DSA come from liboqs, the Open Quantum Safe project's widely used library. Nothing here invents its own cryptography.
Private keys are stored encrypted under a separate master key, and every decryption is recorded against the API key that asked for it.
In zero-knowledge mode you generate the keys and register only the public half. Qopanza can inventory and police them, and cannot decrypt anything.
Key operations go into a hash-chained audit log, so a changed or deleted entry is detectable. You can verify the chain yourself.
How we handle your data, in plain words: our security page and privacy policy.
Ordinary software cryptography, built on maths problems a quantum computer is not known to solve. It replaces RSA and elliptic curve, which a large quantum computer would break, and runs on the servers, laptops and phones you already have. NIST standardised it in 2024 as ML-KEM, ML-DSA and SLH-DSA.
Because data can be recorded today and decrypted later, and because migrations take years. Anything that must stay private past the early 2030s is already at risk, and the first step, knowing what cryptography you use and where, is one most organisations have not taken.
No. Symmetric encryption such as AES-256 holds up; what breaks is the public-key part: RSA and elliptic-curve key exchange and signatures. Qopanza's inventory shows exactly which uses are at risk, and the hybrid mode keeps a classical algorithm alongside the post-quantum one while you move.
With managed keys, encryption and decryption happen on our servers: your data passes through over TLS, is not stored, and every decryption is recorded in your audit log. If that is not acceptable, use zero-knowledge mode: you keep the private key, Qopanza only ever sees the public half, and it cannot decrypt anything.
Yes. Encryption, signing, key management and crypto scanning are free, with rate limits. Paid plans add continuous discovery and CI gating, migration plans, audit evidence and the app security fixes.
A free tool for apps built with AI tools such as Lovable, Bolt and Cursor. It reads what your live site sends to every visitor and names every leaked API key, open database and missing protection, with no account needed. App Security ($20 a month) shows where each one is and how to fix it.
More in the FAQ, or email support@qopanza.com.
A free API key takes a minute. No card, no sales call.