808bits

X4i Postal Security Device (PSD)

FIPS 140-2 certificate #4081 · Pitney Bowes, Inc. · data as of 2026-10-09

X4i Postal Security Device (PSD), from Pitney Bowes, Inc., holds FIPS 140-2 certificate #4081 at overall level 3. The validation is historical: agencies may keep the module in existing systems but not buy it new. Below are its algorithm certificates, its validation history, and the list moves this tracker has observed, which NIST does not date.

Historical. Moved to historical list due to sunsetting. Federal agencies may reference historical validations for existing systems only, not for new procurement. Observed moving to historical on 2026-09-22. It was one of the last FIPS 140-2 certificates, all moved at the 140-2 sunset on 2026-09-21.
Caveat: When operated in FIPS Mode. No assurance of the minimum strength of generated keys.

Certificate

Certificate number4081
StandardFIPS 140-2
Statushistorical
Overall level3
Module typeHardware
EmbodimentSingle Chip
VendorPitney Bowes, Inc. · website
Hardware versionsMAX32590 Secure Microcontroller Revision B4
Firmware versionsPB 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

Quoted from the NIST CMVP entry for this certificate.

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 (10)

AlgorithmCAVP certificates
AES5954
CKGvendor affirmed
DRBGC472
ECDSAC476
HMACC464
KAS-SSCvendor affirmed
KDAvendor affirmed
KTS
RSAC477
SHSC295

Tested configurations

  • N/A

Validation history

DateTypeLab
2021-11-30InitialPenumbra Security, Inc.
2023-01-05UpdatePenumbra Security, Inc.
2023-09-01UpdatePenumbra 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 historical at the time of the earliest snapshot
  • 2026-09-22: observed moving from active to historical
  • Validation dates on record: 2021-11-30, 2023-01-05, 2023-09-01

Source documents