Encryption method, encryption apparatus, recording method, decod

Details Encryption method, encryption apparatus, recording method, decod Encryption method, encryption apparatus, recording method, decod

1996-10-15

1998-08-18

Cangialosi, Salvatore

Cryptography

Key management

Having particular key generator

380 3, 380 44, 380 45, H04L 900

Patent

active

057968390

ABSTRACT:
There are provided an encryption method, an encryption apparatus, a recording method, a decoding method, a decoding apparatus and a recording medium in which encryption keys can be managed with ease by hierarchizing encryption keys.

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patent: 5485577 (1996-01-01), Eyer et al.
patent: 5671276 (1997-09-01), Eyer et al.

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