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.


Legend for Description Field for the Historical SP800-56A Section Elliptic Curve Cryptography Cofactor Diffie-Hellman (ECCCDH) Primitive

Created October 06, 2016, Updated May 27, 2021