Title:
データ暗号化のための方法および装置
Document Type and Number:
Japanese Patent JP2004531778
Kind Code:
A
Abstract:
A method and apparatus for use in encrypting and decrypting digital communications converting an initial block to final block based on freely selectable control information and secret key information having double the length of prior art keys and maintaining compatibility with the prior art encryption system.
Inventors:
Miyoko Hoya
Application Number:
JP2003509692A
Publication Date:
October 14, 2004
Filing Date:
June 10, 2002
Export Citation:
Assignee:
Harris Corporation
International Classes:
H04L9/06; G09C1/00; (IPC1-7): G09C1/00
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito
Previous Patent: 写真フィルム現像の減少剤としてのイソブチレン／無水マレイン酸コポリ...
Next Patent: インターネットプロトコルネットワークシステムによるプリペイドサービ...
Next Patent: インターネットプロトコルネットワークシステムによるプリペイドサービ...