The Cipher Disk /

A history of a historic cryptologic device.

Bibliographic Details
Main Author:	NA (Author)
Corporate Author:	Safari, an O'Reilly Media Company
Format:	eBook
Language:	English
Published:	NSA History Staff, 2010.
Subjects:	Electronic books.
Online Access:	Connect to this electronic resource

Description
Summary:	A history of a historic cryptologic device.
Item Description:	Electronic resource.
Physical Description:	1 online resource (3 pages)
Format:	Mode of access: World Wide Web.