X4i Postal Security Device (PSD)
Caveat: When operated in FIPS Mode. No assurance of the minimum strength of generated keys.
Certificate
| Certificate number | 4081 |
|---|---|
| Standard | FIPS 140-2 |
| Status | active |
| Sunset date | 2026-09-21 |
| Overall level | 3 |
| Module type | Hardware |
| Embodiment | Single Chip |
| Vendor | Pitney Bowes, Inc. · website |
| Hardware versions | MAX32590 Secure Microcontroller Revision B4 |
| Firmware versions | PB Bootloader Version 00.00.0016, PSD Application Versions 21.07.0013 and 21.07.0018, and Device Abstraction Layer (DAL) Version 01.02.0027 and 01.02.0041 |
Module description
The X4i PSD is a single chip cryptographic module using the Maxim MAX32590 hardware that provides security services to support the creation of digital postage evidence in the form of an indicium.
Approved algorithms
| Algorithm | CAVP certificate |
|---|---|
| AES | 5954 |
| CKG | vendor affirmed |
| DRBG | C472 |
| ECDSA | C476 |
| HMAC | C464 |
| KAS-SSC | vendor affirmed |
| KDA | vendor affirmed |
| KTS | |
| KTS | |
| RSA | C477 |
| SHS | C295 |
Tested configurations
- N/A
Validation history
| Date | Type | Lab |
|---|---|---|
| 2021-11-30 | Initial | Penumbra Security, Inc. |
| 2023-01-05 | Update | Penumbra Security, Inc. |
| 2023-09-01 | Update | Penumbra Security, Inc. |
Status timeline
As observed by this tracker's snapshots. NIST publishes no dates for list moves; observation began 2026-08-21, so earlier changes carry no date.
- 2026-08-21: first observed by this tracker, status active
- Validation dates on record: 2021-11-30, 2023-01-05, 2023-09-01