JP2005244534A5 - - Google Patents
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- JP2005244534A5 JP2005244534A5 JP2004050738A JP2004050738A JP2005244534A5 JP 2005244534 A5 JP2005244534 A5 JP 2005244534A5 JP 2004050738 A JP2004050738 A JP 2004050738A JP 2004050738 A JP2004050738 A JP 2004050738A JP 2005244534 A5 JP2005244534 A5 JP 2005244534A5
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Claims (7)
第二の乱数を生成する第二のモジュールとを有し、
前記第一のモジュールは前記第一の乱数を前記第二のモジュールに送信し、
前記第二のモジュールは前記第二の乱数を前記第一のモジュールに送信し、
前記第一のモジュールは前記第二のモジュールに送信する情報を前記第一の乱数と前記第二の乱数とを用いて暗号化し、
前記第二のモジュールは前記第一のモジュールから受信する情報を前記第一の乱数と前記第二の乱数とを用いて復号化する情報処理装置。 A first module for generating a first random number;
A second module for generating a second random number,
The first module sends the first random number to the second module;
The second module sends the second random number to the first module;
The first module encrypts information to be transmitted to the second module using the first random number and the second random number,
The information processing apparatus, wherein the second module decrypts information received from the first module using the first random number and the second random number.
第二の乱数を生成する第二のモジュールとを有し、
前記第一のモジュールと第二のモジュールとが情報の暗号化に用いる共通の情報を有し、
前記第一のモジュールは前記第二のモジュールに送信する情報を前記第一の乱数と前記第二の乱数と前記共通の情報とを用いて暗号化し、
前記第二のモジュールは前記第一のモジュールから受信する情報を前記第一の乱数と前記第二の乱数と前記共通の情報とを用いて復号化する情報処理装置。 A first module for generating a first random number;
A second module for generating a second random number,
The first module and the second module have common information used for information encryption,
The first module encrypts information to be transmitted to the second module using the first random number, the second random number, and the common information,
The information processing apparatus, wherein the second module decrypts information received from the first module using the first random number, the second random number, and the common information.
前記第一のモジュール及び前記第二のモジュールは情報の暗号化又は復号化を前記第一の乱数と前記第二の乱数と前記共通の情報とを用いて一方向性ハッシュ関数の演算を行って生成するセッション鍵を用いて行なう情報処理装置。 The information processing apparatus according to claim 2,
The first module and the second module perform a one-way hash function operation using the first random number, the second random number, and the common information to encrypt or decrypt information. An information processing apparatus that uses a session key to be generated.
前記第一のモジュールは第一の乱数を生成し当該第一の乱数を記録及び前記第二のモジュールへ送信し、
当該第一の乱数を受信した前記第二のモジュールは受信した当該第一の乱数を記録及び第二の乱数を生成し当該第二の乱数を記録及び前記第一のモジュールへ送信し、
当該第二の乱数を受信した前記第一のモジュールは受信した当該第二の乱数を記録し、
前記第一のモジュールは前記暗号化鍵と前記第一の乱数と前記第二の乱数とから生成するセッション鍵を用いて前記第二のモジュールに送信する情報を暗号化し、
前記第二のモジュールは前記暗号化鍵と前記第一の乱数と前記第二の乱数とから生成するセッション鍵を用いて前記第一のモジュールから受信する情報を復号化し、
当該情報の送受信が終了したら前記第一のモジュール及び前記第二のモジュールは前記記録した第一の乱数及び第二の乱数及び前記生成したセッション鍵を削除する情報処理装置。 A first module having an encryption key which is information used for encryption, and a second module having the same encryption key as the encryption key;
The first module generates a first random number, records the first random number and sends it to the second module;
The second module that has received the first random number records the received first random number and generates a second random number, records the second random number, and transmits it to the first module,
The first module that has received the second random number records the received second random number,
The first module encrypts information to be transmitted to the second module using a session key generated from the encryption key, the first random number, and the second random number,
The second module decrypts information received from the first module using a session key generated from the encryption key, the first random number, and the second random number,
The information processing apparatus in which the first module and the second module delete the recorded first random number, the second random number, and the generated session key when transmission / reception of the information is completed.
第一のモジュールは第一の乱数を発生し、
当該第一の乱数を第二のモジュールに送信し、
当該第一の乱数を第一のモジュールが記録し、
第二のモジュールは前記第一のモジュールを受信し、
第二のモジュールは受信した第一の乱数を記録し、
第二のモジュールは第二の乱数を発生し、
第二のモジュールは当該第二の乱数を第一のモジュールに送信し、
第二のモジュールは当該第二の乱数を記録し、
第一のモジュールは受信した第二の乱数を記録し、
第一のモジュールは記録した前記第一の乱数と第二の乱数と予め保持している情報の暗号化に用いる情報に基づいて情報を暗号化して第二のモジュールへ送信し、
第二のモジュールは記録した前記第一の乱数と第二の乱数と予め保持している情報の復号化に用いる情報に基づいて情報を復号化する暗号化復号化方法。 An encryption / decryption method for encrypting or decrypting information transmitted or received between a first module and a second module,
The first module generates the first random number,
Send the first random number to the second module,
The first module records the first random number,
A second module receives said first module;
The second module records the received first random number,
The second module generates a second random number,
The second module sends the second random number to the first module,
The second module records the second random number,
The first module records the received second random number,
The first module encrypts the information based on the recorded first random number and the second random number and information used for encrypting the information held in advance, and transmits the information to the second module.
The second module is an encryption / decryption method for decrypting information based on the recorded first random number, the second random number, and information used for decrypting information held in advance.
前記モジュールは前記第一の情報を送信し、
前記モジュールは第二の情報を受信し、
前記モジュールは送信する情報を前記第一の情報と前記第二の情報とを用いて暗号化する情報処理装置。 A module for generating a first random number,
The module transmits the first information;
The module receives second information;
The information processing apparatus, wherein the module encrypts information to be transmitted using the first information and the second information.
前記モジュールは第一の情報を受信し、
前記モジュールは第二の情報を送信し、
前記モジュールは受信する暗号化された情報を前記第一の情報と前記第二の情報とを用いて復号化する情報処理装置。 A module for generating second information,
The module receives first information;
The module sends second information;
The information processing apparatus, wherein the module decrypts received encrypted information using the first information and the second information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004050738A JP2005244534A (en) | 2004-02-26 | 2004-02-26 | Device and method for cipher communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004050738A JP2005244534A (en) | 2004-02-26 | 2004-02-26 | Device and method for cipher communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005244534A JP2005244534A (en) | 2005-09-08 |
| JP2005244534A5 true JP2005244534A5 (en) | 2007-04-05 |
Family
ID=35025794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004050738A Pending JP2005244534A (en) | 2004-02-26 | 2004-02-26 | Device and method for cipher communication |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005244534A (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4728754B2 (en) * | 2005-09-22 | 2011-07-20 | 日本放送協会 | CONTENT TRANSMITTING DEVICE, CONTENT TRANSMITTING PROGRAM, CONTENT RECEIVING DEVICE, AND CONTENT RECEIVING PROGRAM |
| WO2007099716A1 (en) * | 2006-03-01 | 2007-09-07 | Bellwood International, Inc. | Date communication system, and portable memory |
| JP2008066811A (en) * | 2006-09-05 | 2008-03-21 | Hitachi Ltd | Digital broadcast receiving system |
| US20080250251A1 (en) * | 2007-04-04 | 2008-10-09 | Cyberlink Corp. | Systems and Methods for Hardware Driven Program Execution |
| TWI429254B (en) | 2007-10-05 | 2014-03-01 | Interdigital Tech Corp | Techniques for secure channelization between uicc and a terminal |
| WO2009126647A2 (en) * | 2008-04-07 | 2009-10-15 | Interdigital Patent Holdings, Inc. | Secure session key generation |
| CN102427394A (en) * | 2011-08-10 | 2012-04-25 | 叶林勇 | Encryption frequency modulation broadcast emission and receiving method and apparatuses thereof |
| JP6072918B2 (en) | 2012-09-06 | 2017-02-01 | コニンクリーケ・ケイピーエヌ・ナムローゼ・フェンノートシャップ | Establishing a device-to-device communication session |
| KR101739666B1 (en) | 2012-10-29 | 2017-05-24 | 코닌클리즈케 케이피엔 엔.브이. | Intercepting device-to-device communication |
| JP2014103590A (en) * | 2012-11-21 | 2014-06-05 | Toshiba Corp | Communication device, communication method, system, and program |
| CN108923918B (en) * | 2013-06-28 | 2022-07-15 | 日本电气株式会社 | User equipment and communication method |
| JP7292648B2 (en) * | 2020-01-14 | 2023-06-19 | 日本電信電話株式会社 | Key exchange system, information processing device, key exchange method and program |
| JP6863514B1 (en) * | 2020-09-02 | 2021-04-21 | 大日本印刷株式会社 | Key sharing method, key sharing system, authentication device, authentication target device, computer program and authentication method |
| JP7398183B2 (en) | 2021-11-29 | 2023-12-14 | エイエスディ株式会社 | Network authentication system using blockchain and authentication method using this |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09238132A (en) * | 1996-02-29 | 1997-09-09 | Oki Electric Ind Co Ltd | Portable terminal communication system and its communication method |
| JPH10301492A (en) * | 1997-04-23 | 1998-11-13 | Sony Corp | Enciphering device and method therefor, decoding device and method therefor, and information processing device and method therefor |
| JPH11161165A (en) * | 1997-11-27 | 1999-06-18 | Hitachi Ltd | Information processing device |
| JP3361052B2 (en) * | 1998-04-17 | 2003-01-07 | 株式会社東芝 | Data processing device and copy protection method applied to the device |
| JP2000182102A (en) * | 1998-12-11 | 2000-06-30 | Mitsubishi Electric Corp | System for authenticating opposite party |
| JP3137105B2 (en) * | 1999-02-23 | 2001-02-19 | 日本電信電話株式会社 | User authentication and key sharing method |
| JP2002222119A (en) * | 2001-01-26 | 2002-08-09 | Mitsubishi Electric Corp | Information processing device |
| SG105005A1 (en) * | 2002-06-12 | 2004-07-30 | Contraves Ag | Device for firearms and firearm |
-
2004
- 2004-02-26 JP JP2004050738A patent/JP2005244534A/en active Pending
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