@misc{1160261,
  author = {Jason Gait},
  title = {Maintenance testing for the data encryption standard:},
  year = {1980},
  month = {1980-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.500-61},
  language = {en},
}