808bits

CryptoManager Root of Trust (CMRT)

FIPS 140-2 certificate #4325 · Rambus Inc. · data as of 2026-10-09

CryptoManager Root of Trust (CMRT), from Rambus Inc., holds FIPS 140-2 certificate #4325 at overall level 2. 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: None

Certificate

Certificate number4325
StandardFIPS 140-2
Statushistorical
Overall level2
Module typeHardware
EmbodimentSingle Chip
VendorRambus Inc. · website
Hardware versions0x60000611
Firmware versions2022-02-21-gd74d034

Module description

Quoted from the NIST CMVP entry for this certificate.

CMRT is a Silicon IP Security Module with a secure asset store protecting all valuable assets on your device. It is a stand-alone Root of Trust that offers key management and crypto functions needed for platform and application security. CMRT offers all security services to manage your device securely through its lifecycle. These include Secure Debug, Secure Provisioning, Identity protection and secure authentication services. Secure Boot and Communication protocols such as TLS can leverage CMRT to secure the boot process and protect private communication keys.

Security level exceptions

  • Mitigation of Other Attacks: N/A

Approved algorithms (13)

AlgorithmCAVP certificates
AESA1102
CKGvendor affirmed
DRBGA1102
ECDSAA1102
ENT
HMACA1102
KASA1102
KAS-SSCA1102
KBKDFA1102
KDAA1102
KTS
RSAA1102
SHSA1102

Tested configurations

  • Xilinx Zynq XC7Z045 FPGA

Validation history

DateTypeLab
2022-10-10Initialatsec information security corporation

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: 2022-10-10

Source documents