808bits

Tumbleweed Secure Mail™ Security Kernel

FIPS 140-1 certificate #258 · Tumbleweed Communications Corp. · data as of 2026-08-28
Historical. Validation Sunsetting Policy - FIPS 140-1 Certificate. Federal agencies may reference historical validations for existing systems only, not for new procurement.
Caveat: When operated in FIPS mode

Certificate

Certificate number258
StandardFIPS 140-1
Statushistorical
Overall level1
Module typeSoftware
EmbodimentMulti-chip standalone
VendorTumbleweed Communications Corp. · website
Software versions5.0

Module description

The Tumbleweed Secure MailTM Application is a software products designed to allow organizations to apply content filtering and secure messaging policies on email. The Secure MailTM Application uses a shared set of cryptographic functionality called the Secure MailTM Security Kernel. The Secure MailTM Security Kernel exposes cryptographic application programming interface (API) calls to the other portions of Secure MailTM.

Security level exceptions

  • Operating System Security: Tested as meeting Level 1 with Windows NT 4.0, SP 6 (single user mode)

Approved algorithms

AlgorithmCAVP certificate
DSA49
RSAvendor affirmed
SHA-159
Triple-DES70

Other algorithms

DES (Cert. #131); MD2; MD5; RC2; RC5; RSA (key exchange)

Validation history

DateTypeLab
2002-10-08InitialSAIC-VA

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: 2002-10-08

Source documents