808bits

ZixCorp Crypto Module

FIPS 140-2 certificate #664 · Zix Corporation · data as of 2026-08-28
Historical. RNG SP800-131A Revision 1 Transition. Federal agencies may reference historical validations for existing systems only, not for new procurement.
Caveat: When operated in FIPS mode

Certificate

Certificate number664
StandardFIPS 140-2
Statushistorical
Overall level1
Module typeSoftware
EmbodimentMulti-chip standalone
VendorZix Corporation · website
Software versions1.0

Module description

The ZixCorp Crypto Module provides email encryption using a FIPS 140-2 level 1 validated cryptographic module. As part of the Zix Email Encryption Service, the ZixCorp Crypto Module provides highly secure email communication between Zix customers and their business partners. The approved cryptographic algorithms included in the module are: AES, Triple- DES, RSA, SHA-1, HMAC SHA-1 and FIPS 186-2 Appendix 3.1 RNG.

Approved algorithms

AlgorithmCAVP certificate
AES321
HMAC127
RNG145
RSA108
SHS394
Triple-DES385

Other algorithms

DSA (non compliant); Diffie-Hellman (key agreement); Elliptic Curve (non compliant); MD2; MD5; HMAC MD5; RSA (key wrapping; key establishment methodology provides 112-bits of encryption strength; non-compliant less than 112 bits of encryption strength)

Tested configurations

  • Microsoft Linux Red Hat Enterprise 3 Operating System (in single user mode)

Validation history

DateTypeLab
2006-04-26InitialDOMUS
2009-06-04Update
2009-07-08Update

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: 2006-04-26, 2009-06-04, 2009-07-08

Source documents