You are viewing this page in an unauthorized frame window. This is a potential security issue, you are being redirected to https://csrc.nist.gov . An official website of the United States government Here’s how you know Here’s how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( Lock Locked padlock icon ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Search Search CSRC MENU Search Search Projects Publications Expand or Collapse Drafts for Public Comment All Public Drafts Final Pubs FIPS (standards) Special Publications (SP s ) IR (interagency/internal reports) CSWP (cybersecurity white papers) ITL Bulletins Project Descriptions Journal Articles Conference Papers Books Topics Expand or Collapse Security & Privacy Applications Technologies Sectors Laws & Regulations Activities & Products News & Updates Events Glossary About CSRC Expand or Collapse Computer Security Division Cryptographic Technology Software Security Group Hardware Security Group Security Engineering and Risk Management Applied Cybersecurity Division Cybersecurity and Privacy Applications National Cybersecurity Center of Excellence (NCCoE) National Initiative for Cybersecurity Education (NICE) Contact Us Information Technology Laboratory Computer Security Resource Center Publications NIST SP 800-38E Recommendation for Block Cipher Modes of Operation: the XTS-AES Mode for Confidentiality on Storage Devices Share to Facebook Share to X Share to LinkedIn Share ia Email Documentation Topics Date Published: January 2010 Planning Note ( 03/06/2024 ): NIST has decided to revise this publication. See this announcement for more details. Author(s) Morris Dworkin (NIST) Abstract This publication approves the XTS-AES mode of the AES algorithm by reference to IEEE Std 1619-2007, subject to one additional requirement, as an option for protecting the confidentiality of data on storage devices. The mode does not provide authentication of the data or its source. This publication approves the XTS-AES mode of the AES algorithm by reference to IEEE Std 1619-2007, subject to one additional requirement, as an option for protecting the confidentiality of data on storage devices. The mode does not provide authentication of the data or its source. Keywords Block cipher ; ciphertext stealing ; computer security ; confidentiality ; cryptography ; encryption ; information security mode of operation ; tweakable block cipher. Control Families System and Communications Protection Documentation Publication: https://doi.org/10.6028/NIST.SP.800-38E Download URL Supplemental Material: None available Publication Parts: SP 800-38A SP 800-38A SP 800-38B SP 800-38C SP 800-38D SP 800-38F SP 800-38G Document History: 01/18/10: SP 800-38E (Final) Topics Security and Privacy authentication , cryptography HEADQUARTERS 100 Bureau Drive Gaithersburg, MD 20899 X (link is external) facebook (link is external) linkedin (link is external) instagram (link is external) youtube (link is external) rss govdelivery (link is external) Want updates about CSRC and our publications? Subscribe Contact Us | Our Other Offices Send inquiries to [email protected] Site Privacy Accessibility Privacy Program Copyrights Vulnerability Disclosure No Fear Act Policy FOIA Environmental Policy Scientific Integrity Information Quality Standards Commerce.gov Science.gov USA.gov Vote.gov