TY  - BOOK
AU  - Bosworth,Bruce
TI  - Codes, ciphers, and computers: an introduction to information security 
SN  - 0810451492
PY  - 1982///
CY  - Hasbrouck Heights, N.J.
PB  - Hayden Book
KW  - Cryptography
KW  - Computers
KW  - Access control
KW  - Passwords
KW  - Data protection
N1  - Includes bibliographies and index
ER  -