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SP 800-38A Addendum

Recommendation for Block Cipher Modes of Operation: Three Variants of Ciphertext Stealing for CBC Mode

Date Published: October 2010

Planning Note (5/10/2021): This publication is currently under review by NIST's Crypto Publication Review Board. Public comments on the existing publication may be submitted through June 11, 2021. See the full announcement for more details.


Morris Dworkin (NIST)



block cipher; ciphertext stealing; cryptography; encryption; mode of operation
Control Families

System and Communications Protection


SP 800-38A Addendum (DOI)
Local Download

Supplemental Material:
None available

Other Parts of this Publication:
SP 800-38A

Document History:
10/21/10: SP 800-38A Addendum (Final)


Security and Privacy
authentication; cryptography