This is a potential security issue, you are being redirected to https://csrc.nist.gov.
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.
Drafts for Public Comment
All Public Drafts
Special Publications (SPs)
Security & Privacy
Laws & Regulations
Activities & Products
Computer Security Division
Applied Cybersecurity Division
TDEA Modes of Operation Validation System
NIST SP 800-20
Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.
Comments about the glossary's presentation and functionality should be sent to email@example.com.
See NISTIR 7298 Rev. 3 for additional details.