808bits

Duo Security Cryptographic Module

FIPS 140-2 certificate #2671 · Duo Security, Inc. · data as of 2026-08-28
Historical. 186-2 transition. Federal agencies may reference historical validations for existing systems only, not for new procurement.
Caveat: When operated in FIPS mode. This validation entry is a non-security relevant modification to Cert. #1938. The module generates cryptographic keys whose strengths are modified by available entropy.

Certificate

Certificate number2671
StandardFIPS 140-2
Statushistorical
Overall level1
Module typeSoftware
EmbodimentMulti-Chip Stand Alone
VendorDuo Security, Inc. · website
Software versions1.0

Module description

The Duo Security Cryptographic Module is a cryptographic engine for mobile devices. The module delivers core cryptographic functions to Duo Security's Two-Factor Authentication mobile application.

Security level exceptions

  • Physical Security: N/A
  • Design Assurance: Level 3
  • Mitigation of Other Attacks: N/A

Approved algorithms

AlgorithmCAVP certificate
AES2125
CVL28
DRBG233
DSA666
ECDSA319
HMAC1296
RSA1094
SHS1849
Triple-DES1351

Other algorithms

RSA (key wrapping; key establishment methodology provides between 112 and 256 bits of encryption strength; non-compliant less than 112 bits of encryption strength); EC Diffie-Hellman (key agreement; key establishment methodology provides between 112 and 256 bits of encryption strength; non-compliant less than 112 bits of encryption strength); RNG; Dual EC DRBG

Tested configurations

  • Android 4.0 running on a Galaxy Nexus

Validation history

DateTypeLab
2016-07-07InitialAcumen Security

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
  • Validation dates on record: 2016-07-07

Source documents