Dworkin, M.
(2016),
Recommendation for Block Cipher Modes of Operation: Methods for Format-Preserving Encryption, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.800-38G, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=920356 (Accessed May 27, 2026)
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Recommendation for Block Cipher Modes of Operation: Methods for Format-Preserving Encryption
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Author(s)
Abstract
This Recommendation specifies two methods, called FF1 and FF3, for format-preserving encryption. Both of these methods are modes of operation for an underlying, approved symmetric-key block cipher algorithm.Citation
Special Publication (NIST SP) - 800-38G
Report Number
800-38G
NIST Pub Series
Pub Type
NIST Pubs
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Keywords
Block cipher, confidentiality, encryption, FF1, FF3, format-preserving encryption, information security, mode of operation
Citation
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Created March 29, 2016, Updated May 7, 2026