Method and apparatus for providing security for computer softwar

Details Method and apparatus for providing security for computer softwar Method and apparatus for providing security for computer softwar

1981-05-26

1984-05-01

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 100

Patent

active

044465190

ABSTRACT:
Security for computer software is achieved by providing each purchaser of a software package with an electronic security device which must be operatively connected to the purchaser's computer. The software sends coded interrogation signals to the electronic security device which processes the interrogation signals and transmits coded response signals to the software. The program will not be executed unless the software recognizes the response signals according to preselected security criteria.

REFERENCES:
patent: 4246638 (1981-01-01), Thomas

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