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NIST SP 800-38G

Recommendation for Block Cipher Modes of Operation: Methods for Format-Preserving Encryption

Date Published: March 2016 (Updated August 4, 2016)


Morris Dworkin (NIST)



confidentiality; encryption; FF1; FF3; format-preserving encryption; information security; block cipher; mode of operation
Control Families

System and Communications Protection


Security and Privacy

authentication, encryption