@misc{1138086, author = {David A Cooper}, title = {Maintaining and using key history on personal identity verification (PIV) cards:}, year = {2010}, month = {2010-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7676}, language = {en}, }