NIST names finalists in AES development

The National Institute of Standards and Technology today named the five finalists in its development of the next-generation Advanced Encryption Standard.

NIST has been working with 15 candidates from 12 countries for the past year to test their submissions for the AES algorithm. NIST will use AES to replace the Data Encryption Standard adopted in 1977 as a federal information processing standard for federal agencies.

The five finalists are

MARS, developed by IBM Corp., Armonk, N.Y.

RC6, developed by RSA Laboratories, Bedford, Mass.

Rijndael, developed by Joan Daemen and Vincent Rijmen of Belgium.

Serpent, developed by Ross Anderson, Eli Biham and Lars Knudsen of the United Kingdom, Israel and Norway, respectively.

Twofish, developed by Bruce Schneier, John Kelsey, Doug Whiting, David Wagner, Chris Hall and Niels Ferguson, most of whom are associated with Counterpane Systems, Minneapolis, Minn.

All of the candidate algorithms support cryptographic key sizes of 128, 192 and 256 bits and were tested by NIST and other cryptographic groups around the world.

A full report on the process is available on the AES World Wide Web site at www.nist.gov/aes.

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