Apparatus and method for secure distribution of data

Details Apparatus and method for secure distribution of data Apparatus and method for secure distribution of data

1998-02-12

1999-09-21

Hayes, Gail O.

Cryptography

Key management

Having particular key generator

380 4, 380 25, 380 50, H04L 900, H04K 100

Patent

active

059564083

ABSTRACT:
Data, including a program and software updates, is encrypted by a public key encryption system using the private key of the data sender. The data is also digitally signed by the sender. The receiver decrypts the encrypted data, using the public key of the sender, and verifies the digital signature on the transmitted data. The program interacts with basic information stored within the confines of the receiver. As result of the interaction, the software updates are installed within the confines of the user, and the basic information stored within the confines of the user are changed.

REFERENCES:
patent: 4405829 (1983-09-01), Rivest et al.
patent: 5003591 (1991-03-01), Kauffman et al.
patent: 5027397 (1991-06-01), Double et al.
patent: 5103476 (1992-04-01), Waite et al.
patent: 5389738 (1995-02-01), Piosenka et al.
patent: 5398285 (1995-03-01), Borgelt et al.
patent: 5530753 (1996-06-01), Easter et al.

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