- Author
-
Randall, L.
- Title
- Illusion of Secrecy.
- Journal
-
APCO Bulletin,
40-45,
November 1994
- Keywords
-
radio equipment
|
communication networks
|
costs
|
telephones
- Identifiers
- cryptology; practical application of encryption devices time value of information; determining a device's security level; device level; device type; data communication over voice systems