JP2006211728A5 - - Google Patents
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- JP2006211728A5 JP2006211728A5 JP2006126592A JP2006126592A JP2006211728A5 JP 2006211728 A5 JP2006211728 A5 JP 2006211728A5 JP 2006126592 A JP2006126592 A JP 2006126592A JP 2006126592 A JP2006126592 A JP 2006126592A JP 2006211728 A5 JP2006211728 A5 JP 2006211728A5
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- processing program
- cryptographic processing
- encrypted data
- updated
- cryptographic
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Claims (10)
上記受信手段により受信された上記更新暗号処理プログラムを用いて上記暗号処理手段を再プログラミングすることにより、上記暗号処理手段の暗号処理プログラムを自動的に更新する暗号処理プログラム更新手段と、
上記暗号処理プログラム更新手段により更新された上記暗号処理手段が上記受信手段により受信された上記暗号化データを解読する際に必要なキーデータを入力するキーデータ入力手段と
上記入力手段により入力された上記キーデータと上記暗号処理プログラム更新手段により更新された上記暗号処理手段の上記更新暗号処理プログラムと用いて、上記受信手段により受信された上記暗号化データを解読する暗号処理手段と
を具えることを特徴とする暗号化データ処理装置。 Receiving means for receiving the encrypted data and an updated encryption processing program for updating the encryption processing program of the encryption processing means for decrypting the encrypted data;
A cryptographic processing program update means for automatically updating the cryptographic processing program of the cryptographic processing means by reprogramming the cryptographic processing means using the updated cryptographic processing program received by the receiving means;
The encryption processing means updated by the encryption processing program updating means inputs key data necessary for decrypting the encrypted data received by the receiving means, and is input by the input means. Cryptographic processing means for decrypting the encrypted data received by the receiving means using the key data and the updated cryptographic processing program of the cryptographic processing means updated by the cryptographic processing program updating means. An encrypted data processing device.
上記暗号処理プログラム更新手段は、上記受信手段により受信された上記コマンドが上記暗号処理プログラムの更新を示している場合に、上記暗号処理手段の暗号処理プログラムを上記更新暗号処理プログラムへ自動的に更新する
ことを特徴とする請求項1に記載の暗号化データ処理装置。 The receiving means receives a command indicating whether to update the cryptographic processing program of the cryptographic processing means,
The cryptographic processing program updating means automatically updates the cryptographic processing program of the cryptographic processing means to the updated cryptographic processing program when the command received by the receiving means indicates updating of the cryptographic processing program. The encrypted data processing apparatus according to claim 1, wherein:
ことを特徴とする請求項1に記載の暗号化データ処理装置。 The encrypted data processing apparatus according to claim 1, wherein the encryption processing means includes a gate array circuit in which wiring can be rewritten.
ことを特徴とする請求項1に記載の暗号化データ処理装置。 The encrypted data processing apparatus according to claim 1, further comprising notification means for notifying a user on the display screen that the key data has been input to the key data input means.
ことを特徴とする請求項1に記載の暗号化データ処理装置。 The encrypted data processing apparatus according to claim 1, wherein the reception unit receives the encrypted data and the updated encryption processing program via an Internet line.
ことを特徴とする請求項1に暗号化データ処理装置。 The encrypted data processing apparatus according to claim 1, wherein the data receiving means receives the updated encryption processing program stored in a predetermined memory card via a memory card interface.
ことを特徴とする請求項1に記載の暗号化データ処理装置。 The encryption processing means uses other key data different from the key data before and after the encryption processing circuit for decrypting the encrypted data using the key data input by the key data input means. 2. The encrypted data processing apparatus according to claim 1, wherein an exclusive OR circuit is connected.
上記受信ステツプにより受信された上記更新暗号処理プログラムを用いて上記暗号処理手段を再プログラミングすることにより、上記暗号処理手段の暗号処理プログラムを自動的に更新する暗号処理プログラム更新ステツプと、
上記暗号処理プログラム更新ステツプにより更新された上記暗号処理手段が上記受信ステツプにより受信された上記暗号化データを解読する際に必要なキーデータを入力するキーデータ入力ステツプと
上記入力ステツプにより入力された上記キーデータと上記暗号処理プログラム更新手段により更新された上記暗号処理手段の上記更新暗号処理プログラムと用いて、上記受信ステツプにより受信された上記暗号化データを解読する暗号処理ステツプと
を具えることを特徴とする暗号化データ処理方法。 A receiving step for receiving the encrypted data and an updated cryptographic processing program for updating the cryptographic processing program of the cryptographic processing means for decrypting the encrypted data;
A cryptographic processing program update step for automatically updating the cryptographic processing program of the cryptographic processing means by reprogramming the cryptographic processing means using the updated cryptographic processing program received in the reception step;
The encryption processing means updated in the encryption processing program update step inputs a key data input step for inputting key data necessary for decrypting the encrypted data received in the reception step, and is input in the input step. Using the key data and the updated cryptographic processing program of the cryptographic processing means updated by the cryptographic processing program updating means, comprising: a cryptographic processing step for decrypting the encrypted data received by the reception step. An encrypted data processing method characterized by the above.
上記受信手段により受信された上記更新暗号処理プログラムを用いて、上記暗号処理プログラムを自動的に更新する暗号処理プログラム更新手段と、Cryptographic processing program update means for automatically updating the cryptographic processing program using the updated cryptographic processing program received by the receiving means;
上記暗号処理プログラム更新手段により更新された上記暗号処理プログラムが上記受信手段により受信された上記暗号化データを解読する際に必要なデータと上記暗号処理プログラム更新手段により更新された上記暗号処理プログラムとに従って、上記受信手段により受信された上記暗号化データを解読する暗号処理手段とData required when the cryptographic processing program updated by the cryptographic processing program updating means decrypts the encrypted data received by the receiving means, and the cryptographic processing program updated by the cryptographic processing program updating means, And encryption processing means for decrypting the encrypted data received by the receiving means,
を具えることを特徴とする暗号化データ処理装置。An encrypted data processing apparatus comprising:
上記受信ステップにより受信された上記更新暗号処理プログラムを用いて、上記暗号処理プログラムを自動的に更新する暗号処理プログラム更新ステップと、A cryptographic processing program update step for automatically updating the cryptographic processing program using the updated cryptographic processing program received in the receiving step;
上記暗号処理プログラム更新ステップにより更新された上記暗号処理プログラムが上記受信手段により受信された上記暗号化データを解読する際に必要なデータと上記暗号処理プログラム更新ステップにより更新された上記暗号処理プログラムとに従って、上記受信手段により受信された上記暗号化データを解読する暗号処理ステップとData required when the encryption processing program updated by the encryption processing program update step decrypts the encrypted data received by the receiving means, and the encryption processing program updated by the encryption processing program update step; An encryption processing step for decrypting the encrypted data received by the receiving means according to
を具えることを特徴とする暗号化データ処理方法。An encrypted data processing method comprising the steps of:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006126592A JP4623379B2 (en) | 2006-04-28 | 2006-04-28 | Encrypted data processing apparatus and encrypted data processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006126592A JP4623379B2 (en) | 2006-04-28 | 2006-04-28 | Encrypted data processing apparatus and encrypted data processing method |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP00857297A Division JP3928819B2 (en) | 1997-01-21 | 1997-01-21 | Data receiving apparatus and encryption processing program update method |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006211728A JP2006211728A (en) | 2006-08-10 |
JP2006211728A5 true JP2006211728A5 (en) | 2007-04-12 |
JP4623379B2 JP4623379B2 (en) | 2011-02-02 |
Family
ID=36967975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006126592A Expired - Fee Related JP4623379B2 (en) | 2006-04-28 | 2006-04-28 | Encrypted data processing apparatus and encrypted data processing method |
Country Status (1)
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JP (1) | JP4623379B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5201716B2 (en) | 2007-09-28 | 2013-06-05 | 東芝ソリューション株式会社 | Cryptographic module distribution system, cryptographic management server device, cryptographic processing device, client device, cryptographic management program, cryptographic processing program, and client program |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4914697A (en) * | 1988-02-01 | 1990-04-03 | Motorola, Inc. | Cryptographic method and apparatus with electronically redefinable algorithm |
JP2945670B2 (en) * | 1988-02-29 | 1999-09-06 | 日本放送協会 | Broadcast receiver |
JPH0227389A (en) * | 1988-07-15 | 1990-01-30 | Sony Corp | Enciphering method and enciphering device/decoding device using enciphering method concerned |
JPH04268843A (en) * | 1991-02-22 | 1992-09-24 | Nippon Telegr & Teleph Corp <Ntt> | Communication system using cipher |
US5214698A (en) * | 1991-03-20 | 1993-05-25 | International Business Machines Corporation | Method and apparatus for validating entry of cryptographic keys |
JP3400480B2 (en) * | 1993-01-20 | 2003-04-28 | 株式会社シーエスケイ | Program analysis prevention device |
JP3658004B2 (en) * | 1993-07-20 | 2005-06-08 | キヤノン株式会社 | Communications system |
-
2006
- 2006-04-28 JP JP2006126592A patent/JP4623379B2/en not_active Expired - Fee Related
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