Another of its successors, which uses the Rijndael method rather than Feistel networks, was adopted by the US government in 2001.
One of its successors, ICE, was published by Michael Kwan in 1997, and is a Feistel network with 16 rounds. Another of its successors, which uses the Rijndael method rather than Feistel networks, was adopted by the US government in 2001. In April 2006, the parallel machine COPACOBANA at the University of Bochum and Kiel in Germany broke it in 9 days. It had been under a great deal of scrutiny for supposed government interference in design, involving both a shortening of the key length and a modified design of the S-boxes. For 10 points, name this successor to the Lucifer cipher, a block cipher that was accepted by the National Bureau of Standards in 1976, abbreviated DES.
One of its successors, ICE, was published by Michael Kwan in 1997, and is a Feistel network with 16 rounds.
{Data Encryption Standard} [accept {DES} before it is read]