Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Cryptographic Algorithm Validation Program CAVP

Implementation Name
Description
SHA-1 hash algorithm used in US Postal products to support the secure hashing of information.
Version
96.03.06
Type
SOFTWARE
Vendor
United States Postal Service
Address Management
6060 Primacy Pkwy, STE 201
Memphis, TN 38188-0001
USA
Contacts
David Payne
[email protected]
(901) 681-4653

SHS 136

   First Validated: 11/22/2002
Operating Environment Algorithm Capabilities
Windows 2000 Professional on Pentium III SHA-1 Expand

Created October 05, 2016, Updated September 22, 2026