Cerenaid
Dual control · Trusted keys · Proven evidence

The system of record for key ceremonies.

Key block Phase 3 has passed. Prove the migration happened.

Cerenaid records who did what, when, and on which key. The system enforces dual control, and every record goes into an audit chain sealed daily. What comes out is the evidence pack you hand the assessor instead of a binder.

One step of a sealed ceremony record
Step 3 of 9 · Verify the HSMDual control
Serial read from chassisPS10K-0042
Performed by S. Officer · 14:02:11Confirmed by A. Custodian · 14:02:48
Step hash36e94825ecdd7369…
✓✓ DUAL CONTROL VERIFIEDSealed
Cerenaid never touches key material. It stores no keys and no key components, only the record: which key, which HSM, which safe, which tamper bag, which check value, signed by whom. That keeps it out of your cardholder data environment and beside your HSM, not in front of it.

Plan. Perform. Seal. Prove.

One lifecycle, from the ceremony script to the assessor's desk. Each stage produces a record the next one depends on.

01 · PLAN

Scripted ceremonies

Versioned templates for key generation, load, rotation and component destruction. Print the script for the room; the version hash is on every page.

02 · PERFORM

Run it from your own device

Every participant checks in from their own phone or tablet with an authenticator code. Each step is timestamped. A dual-control step is submitted by one person and confirmed by a different one, or it does not commit.

03 · SEAL

Attest and seal

Every participant re-authenticates and signs the record as it stands. Completing the ceremony hashes the whole record. Nothing in it can change afterwards.

04 · PROVE

One button for the QPA

Sealed records, the custody register, key inventory, the audit chain and a manifest whose SHA-256 hash seals the pack. Verifiable by anyone with a SHA-256 tool; the assessor guide shows how.

What a binder can't prove

Paper proves that a form was signed. Cerenaid proves that the process happened, in order, by the right people, and that nobody changed the record afterwards.

Dual control enforced by the system

The person who performs a step cannot be the one who confirms it. The system refuses, rather than trusting a witness to remember. Rejections are kept as evidence, not deleted.

Hash-chained audit log

Every change carries the hash of the one before it. Sealed daily, with the seal emailed out of the system so you hold an independent copy.

Custody register

Every component, its custodian, tamper-bag serial number and safe. Deposits, withdrawals and transfers logged with a witness.

Key inventory that knows the calendar

Type, algorithm, key block, KCV, cryptoperiod, devices, custodians. Rotation due dates drive reminders and the readiness checklist.

Assessment readiness

The questions an assessor asks, checked against your records, each with the fix one click away. Not a score.

Vendor-aware vocabulary

A Thales ZMK is what Futurex and Atalla call a KEK. Cerenaid speaks the dialect of the HSM you have on record.

Why now

Three things that make this year different from the last assessment cycle.

The key block deadline has passed

Phase 3 of the PCI PIN key block mandate took effect January 1, 2025: every merchant host, POS device and ATM connection on key blocks. The organizations that met it re-did ceremonies and re-injected devices, and the ones still finishing are doing it now. Either way the next assessment asks for proof. Migration generates ceremonies, and ceremonies generate paperwork.

The assessment is the evidence

A PCI PIN assessment every two years is only as good as what you can show. A binder is checked page by page and trusted; an evidence pack is verified in minutes with a SHA-256 tool. When the assessor's time is the scarce resource, the format of the evidence decides how the week goes.

Custodians change; the record must not

Split knowledge and dual control depend on people doing it right on the day, and the people change. Cerenaid puts the procedure on their phone, refuses the shortcuts, and keeps the record whether or not the custodian who signed it is still with you.

For the assessor

The evidence pack is designed to be checked, not trusted. Every file is listed in a manifest with its SHA-256 hash; the pack hash is the hash of that manifest. When the pack is built, the audit chain is recomputed from its first event and the result goes in the pack. Checking it needs nothing from Cerenaid: any SHA-256 tool, no account, no login.

  • One sealed PDF per ceremony: steps, who performed and who confirmed, attestations, hashes
  • Key inventory and custody register as they stood when the pack was built
  • Audit events for the period, daily seals, verification result
  • Members with roles and MFA status

Read the assessor guide: what is in the pack and how to verify it, step by step.

PACK HASH · SHA-256 OF MANIFEST.JSON682f13902b418b331458b7a2eaa6c228229ef9814119877b6721f6bb07f48d21AUDIT CHAIN HEAD · SEQ 680c01056d047a598a7d2cee94f6092053bcd15ec58bd481f124c1580b0c590294VERIFICATIONPASS · every event since the first recomputes to its stored hash

Who it's for

PIN acquirers, processors and ISOs

Institutions that undergo a PCI PIN assessment every two years and currently prove key management with Word, Excel and a safe full of envelopes.

Key injection facilities

Component custody at volume. The tamper-bag register is the first thing an assessor walks through.

QPA firms

Receive a pack you can verify in minutes instead of a binder you page through for a day. We want your judgment on the format before anyone else's.

Not for

Computing KCVs or key blocks. The free tools do that well. Cerenaid is the record, not the arithmetic.

The pilot

Two design partners at a time. Free for six months, in exchange for weekly feedback and, if it earns it, a reference call. Ideally one acquirer or processor and one QPA firm, so the evidence pack is shaped by the people who produce it and the people who judge it.

Access is by invitation only. There is no self-serve signup and no card.

Prefer email? support@cerenaid.com

If a partner or colleague introduced you to Cerenaid, their name or company.
How you run ceremonies today, when your next assessment is, what an assessor last asked for.

No self-serve signup, no card. Two design partners at a time, free for six months, in exchange for weekly feedback.