Data management module, data reproduction management device and

Details Data management module, data reproduction management device and Data management module, data reproduction management device and

1995-07-31

1998-04-07

Cain, David C.

Cryptography

Cryptanalysis

380 25, H04L 900

Patent

active

057374155

ABSTRACT:
The present invention was developed in order to provide a software management module incorporated in hardware or freely attachably/detachably set therein for encrypted software data to be obtained from software storing media or communications, wherein this software management module is provided with a function for decoding encrypted software, and an authorization control portion for managing authorization for decoding.

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