Apparatus and method for re-encrypting data without unsecured ex

Details Apparatus and method for re-encrypting data without unsecured ex Apparatus and method for re-encrypting data without unsecured ex

1996-04-17

1998-09-08

Cangialosi, Salvatore

Cryptography

Key management

Having particular key generator

380 25, 380 41, H04L 900

Patent

active

058057064

ABSTRACT:
A cryptographic device formed as an integrated circuit encapsulated in an integrated circuit package. The cryptographic device decrypts information having a first encrypted format that is input into the cryptographic device producing information in a non-encrypted format. The information in the non-encrypted format is subsequently re-encrypted into a second encrypted format which is output from the cryptographic device. The decryption and re-encryption operations are accomplished entirely within the cryptographic device.

REFERENCES:
patent: 4558176 (1985-12-01), Arnold et al.
patent: 4588991 (1986-05-01), Atalla
patent: 4864494 (1989-09-01), Kobus
patent: 4905277 (1990-02-01), Nakamura
patent: 5381480 (1995-01-01), Butter et al.

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