You are viewing this page in an unauthorized frame window.
This is a potential security issue, you are being redirected to https://csrc.nist.rip.
An unofficial archive of your favorite United States government website
Official websites do not use .rip
We are an unofficial archive, replace .rip by .gov in the URL to access the official website. Access our document index here.
We are building a provable archive!
A lock () or https:// don't prove our archive is authentic, only that you securely accessed it. Note that we are working to fix that :)
Based on secure hash algorithm coontroller implemented in hardware - see chip spec section 26. The hardware supports SHA-1, SHA-224, SHA-256, SHA-384 and SHA-512 algorithms. HMAC functionality is added in firmware.