Serves as a tutorial to the development of different types of code systems and functions as a reference for the hobbyist, and any person or organization that requires the ability to obtain a low-cost, easy-to-use method to promote communications security.
- ISBN10 0672302934
- ISBN13 9780672302930
- Publish Date March 1993
- Publish Status Out of Print
- Out of Print 10 October 2009
- Publish Country US
- Publisher Macmillan Computer Publishing (a Pearson Education company)
- Imprint Sams Publishing
- Pages 300
- Language English