TY - BOOK AU - Brown,Dan TI - Digital Fortress SN - 0552151696 (paperback) U1 - 813.54 PY - 2004/// CY - [S.l.] PB - Transworld Paperbacks N2 - When the NSA's invincible code-breaking machine - encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant and beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage...not by guns or bombs, but by a code so ingeniously complex that if released it will cripple U.S. intelligence UR - http://www.amazon.com/exec/obidos/ASIN/0552151696/chopaconline-20 ER -