Data Encryption Standard: past and future

The authors examine the past and future of the Data Encryption Standard (DES), which is the first, and to the present date, only, publicly available cryptographic algorithm that has been endorsed by the US government of the standard during the early 1970s, the controversy regarding the proposed standard during the mid-1970s, the growing acceptance and use of the standard in the 1980s, and some recent developments that could affect its future.>