# 564 — FIPS 140 validated cryptographic modules: active, historical or revoked For 564, vendor is SkyTel Corp; module name is SkyTel ST900 Secure 2Way; module type is Hardware; validation date is 08/19/2005 10/13/2005; status is Historical, verified against its source on 2026-08-05. - **Certificate number:** 564 _(verified: appears in the quote below)_ - **Vendor:** SkyTel Corp. _(verified: appears in the quote below)_ - **Module name:** SkyTel ST900 Secure 2Way _(verified: appears in the quote below)_ - **Module type:** Hardware _(verified: appears in the quote below)_ - **Validation date:** 08/19/2005 10/13/2005 _(verified: appears in the quote below)_ - **Status:** Historical _(verified: appears in the quote below)_ - **Standard:** FIPS 140-2 _(verified: appears in the quote below)_ ## What the source says > 564 | SkyTel Corp. | SkyTel ST900 Secure 2Way | Hardware | 08/19/2005 10/13/2005 | Historical | ## Source - https://csrc.nist.gov/Projects/cryptographic-module-validation-program/validated-modules/Search?SearchMode=Advanced&Standard=140-2&CertificateStatus=Historical&ValidationYear=0 Last verified: 2026-08-05. Review by: 2026-09-04. Part of [FIPS 140 validated cryptographic modules: active, historical or revoked](https://referencesource.org/fips-140-module-validation-status/).