NIST’s Guidance on TDEA Block Ciphers

NIST’s Guidance on TDEA Block CiphersNIST’s November ITL Bulletin provides an overview of the Triple Data Encryption Algorithm (TDEA), guidance on current use, and future plans for the block cipher, until users migrate to the Advanced Encryption Standard (AES).

The bulletin introduces the newly revised NIST SP 800-67, Rev. 2, Recommendation for the Triple Data Encryption Algorithm (TDEA) Block Cipher, which details the mathematical steps required to cryptographically protect data using TDEA.

NIST publishes an exhaustive series of information security standards that federal systems should adopt to comply with FISMA and the Privacy Act. Its monthly ITL bulletins highlight topics concerning the information security community and cover recent FIPS and NIST publications.

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