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NIST SP 800-38E

Recommendation for Block Cipher Modes of Operation: the XTS-AES Mode for Confidentiality on Storage Devices

Date Published: January 2010

Planning Note (03/06/2024):

NIST has decided to revise this publication. See this announcement for more details.


Morris Dworkin (NIST)



Block cipher; ciphertext stealing; computer security; confidentiality; cryptography; encryption; information security mode of operation; tweakable block cipher.
Control Families

System and Communications Protection


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)


Security and Privacy

authentication, cryptography