TY - GEN AU - Elbirt,Adam J TI - Understanding and applying cryptography and data security SN - 9781420061604 (alk. paper) U1 - 005.8 PY - 2009/// CY - Boca Raton, Fl PB - CRC Press KW - Computer security KW - Cryptography N1 - Contine bibliogr. si index UR - http://www.loc.gov/catdir/toc/ecip0821/2008028154.html ER -