Title:
暗号化装置およびその方法
Document Type and Number:
Japanese Patent JP4696449
Kind Code:
B2
Abstract:
An encryption apparatus capable of effectively preventing encryption data from being illegally generated is provided. Based on apparatus identification data of an integrated circuit (IC), which is input from a computer, a secure application module (SAM) selects an encryption method from among a plurality of different encryption methods. Based on the code of the IC, the SAM selects plaintext data to be encrypted from among the plurality of different pieces of plaintext data. The SAM outputs encryption data such that the selected plaintext data is encrypted by the selected encryption method.
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Inventors:
Hideo Yamamoto
Naofumi Hanaki
Katsuyuki Teruyama
Tomohiko Nagayama
Masahiro Sueyoshi
Yoshiaki Hirano
Naofumi Hanaki
Katsuyuki Teruyama
Tomohiko Nagayama
Masahiro Sueyoshi
Yoshiaki Hirano
Application Number:
JP2004004827A
Publication Date:
June 08, 2011
Filing Date:
January 09, 2004
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H03M13/27; H04L9/14; G06F21/00; G06Q10/00; G06Q20/10; G06Q20/12; G06Q20/38; G06Q20/40; G06Q20/42; G06Q30/00; G06Q30/02; G06Q30/06; G06Q50/18; G07F17/16; G09C1/00; H03M13/23; H03M13/29; H04B1/00; H04B7/005; H04B7/02; H04B7/06; H04B7/08; H04B7/216; H04B7/26; H04B14/04; H04J13/12; H04K1/00; H04L1/00; H04L1/06; H04L1/08; H04L1/18; H04L9/06; H04L9/10; H04L9/32; H04L12/56; H04L27/26; H04L69/40
Domestic Patent References:
| JP2000036015A | ||||
| JP11015940A | ||||
| JP9179951A | ||||
| JP9179950A | ||||
| JP8030745A | ||||
| JP64081087A |
Attorney, Agent or Firm:
Takahisa Sato