JP2008193667A5 - - Google Patents
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- JP2008193667A5 JP2008193667A5 JP2008000211A JP2008000211A JP2008193667A5 JP 2008193667 A5 JP2008193667 A5 JP 2008193667A5 JP 2008000211 A JP2008000211 A JP 2008000211A JP 2008000211 A JP2008000211 A JP 2008000211A JP 2008193667 A5 JP2008193667 A5 JP 2008193667A5
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- 230000005540 biological transmission Effects 0.000 claims 7
- 230000000875 corresponding Effects 0.000 claims 2
Claims (11)
前記送信元クライアントは、
生成されたランダムビット列のハッシュ値及び当該ランダムビット列を前記送信先クライアントの公開鍵を用いて暗号化した符合列を含む第1秘匿アドレス情報と、前記送信先クライアントが接続する通信サーバの公開キーを用いて前記ランダムビット列を暗号化した符合列及びハッシュ値を含む第2秘匿アドレス情報と、を作成し、
少なくとも前記第1秘匿アドレス情報、前記第2秘匿アドレス及びメッセージ本文を含むメッセージを、前記一の通信サーバを介して前記ループネットワークに送出する、ことを特徴とするメッセージの秘匿通信方法。 A plurality of communication servers connected to a loop network that forwards a message based on a preset rule between a source client under one communication server and a destination client under another communication server A secret communication method for messages sent and received between
The source client is
First secret address information including a hash value of the generated random bit string and a code string obtained by encrypting the random bit string using the public key of the destination client, and a public key of the communication server to which the destination client is connected A second secret address information including a code string and a hash value obtained by encrypting the random bit string using,
A message confidential communication method , comprising: sending a message including at least the first secret address information, the second secret address, and a message body to the loop network via the one communication server .
前記ランダムビット列を当該送信元クライアントの公開キーを用いて暗号化した符合列及び前記ハッシュ値を含む第3秘匿アドレス情報と、当該送信先クライアントが接続する通信サーバの公開キーを用いて前記ランダムビット列を暗号化した符合列及び前記ハッシュ値を含む第4秘匿アドレス情報と、を作成し、
前記送信先クライアント宛の前記メッセージに含ませて送信する、ことを特徴とする請求項1に記載のメッセージの秘匿通信方法。 The source client further includes:
Third random address information including a code string obtained by encrypting the random bit string using the public key of the source client and the hash value, and the random bit string using the public key of the communication server to which the destination client is connected And the fourth secret address information including the code string encrypted and the hash value,
2. The message confidential communication method according to claim 1, wherein the message is transmitted by being included in the message addressed to the destination client .
前記メッセージを受信したクライアントは、前記メッセージ中の前記第1秘匿アドレス情報を自己の秘密鍵により復号化し、そのハッシュ値が一致した場合に当該メッセージが自己宛のメッセージであるとして受信する、ことを特徴とする請求項1又は2に記載のメッセージの秘匿通信方法。 The communication server connected to the destination client decrypts the second secret address information in the message forwarded via the loop network using a secret key corresponding to its own public key, and the hash value is If it matches, send it to one or more clients under its control,
The client that has received the message decrypts the first secret address information in the message with its own secret key, and receives that the message is a message addressed to itself when the hash values match. 3. The message confidential communication method according to claim 1, wherein the message is secretly communicated.
前記送信先クライアントは、自己の秘密鍵を用いて当該暗号化送信文を解読する、ことを特徴とする請求項3に記載のメッセージの秘匿通信方法。 The message body of the message transmitted from the source client is an encrypted transmission text including a password encrypted using the public key of the destination client,
4. The message confidential communication method according to claim 3, wherein the destination client decrypts the encrypted transmission text using its own secret key .
少なくとも前記第3秘匿アドレス情報、前記第4秘匿アドレス及び返信メッセージ本文を含む返信メッセージを、自己が接続する通信サーバを介して前記ループネットワークに送出する、ことを特徴とする請求項3に記載のメッセージの秘匿通信方法。 The destination client that has received the message sent from the source client, as a reply message for the received message,
The reply message including at least the third secret address information, the fourth secret address, and a reply message body is transmitted to the loop network via a communication server to which the self message is connected. A method for secret communication of messages .
前記返信メッセージを受信した前記クライアントは、前記返信メッセージ中の前記第3秘匿アドレス情報を自己の秘密鍵により復号化し、そのハッシュ値が一致した場合に、当該返信メッセージが自己宛の返信メッセージであるとして受信する、ことを特徴とする請求項5に記載のメッセージの秘匿通信方法。 The communication server to which the transmission source client connects decrypts the fourth secret address information in the reply message forwarded through the loop network using a secret key corresponding to its own public key, and the hash value thereof Forwards the reply message to one or more clients under its control
The client that has received the reply message decrypts the third secret address information in the reply message with its own secret key, and when the hash values match, the reply message is a reply message addressed to itself. The message confidential communication method according to claim 5, wherein:
前記送信元クライアントは、自己の秘密鍵を用いて当該暗号化送信分を解読する、ことを特徴とする請求項6に記載のメッセージの秘匿通信方法。 The message body of the reply message transmitted from the destination client is an encrypted transmission including a password encrypted using the public key of the source client,
7. The message secret communication method according to claim 6, wherein the transmission source client decrypts the encrypted transmission using its own secret key .
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008000211A JP5211342B2 (en) | 2007-01-12 | 2008-01-04 | Secure communication method |
EP08870196.6A EP2239882A4 (en) | 2008-01-04 | 2008-12-30 | Confidential communication method |
PCT/JP2008/073878 WO2009087939A1 (en) | 2008-01-04 | 2008-12-30 | Confidential communication method |
US12/733,556 US8370627B2 (en) | 2008-01-04 | 2008-12-30 | Confidential communication method |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007005235 | 2007-01-12 | ||
JP2007005235 | 2007-01-12 | ||
JP2008000211A JP5211342B2 (en) | 2007-01-12 | 2008-01-04 | Secure communication method |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008193667A JP2008193667A (en) | 2008-08-21 |
JP2008193667A5 true JP2008193667A5 (en) | 2010-08-12 |
JP5211342B2 JP5211342B2 (en) | 2013-06-12 |
Family
ID=39753281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008000211A Expired - Fee Related JP5211342B2 (en) | 2007-01-12 | 2008-01-04 | Secure communication method |
Country Status (1)
Country | Link |
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JP (1) | JP5211342B2 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4875526B2 (en) * | 2007-03-28 | 2012-02-15 | 株式会社ディ・アイ・システム | Security program and server |
US9042549B2 (en) * | 2009-03-30 | 2015-05-26 | Qualcomm Incorporated | Apparatus and method for address privacy protection in receiver oriented channels |
JP5300900B2 (en) * | 2011-03-16 | 2013-09-25 | 株式会社東芝 | Electric power utilization adjusting device, system and program |
US9390154B1 (en) | 2015-08-28 | 2016-07-12 | Swirlds, Inc. | Methods and apparatus for a distributed database within a network |
US10747753B2 (en) | 2015-08-28 | 2020-08-18 | Swirlds, Inc. | Methods and apparatus for a distributed database within a network |
JP6966544B2 (en) | 2016-11-10 | 2021-11-17 | スワールズ,インコーポレイテッド | Methods and equipment for distributed databases with anonymous entries |
CN110140116B (en) | 2016-12-19 | 2023-08-11 | 海德拉哈希图有限责任公司 | Method and apparatus for a distributed database enabling event deletion |
RU2735730C1 (en) * | 2017-07-11 | 2020-11-06 | Свирлдз, Инк. | Methods and device for efficient implementation of distributed database in network |
WO2019089742A1 (en) | 2017-11-01 | 2019-05-09 | Swirlds, Inc. | Methods and apparatus for efficiently implementing a fast-copyable database |
WO2020237140A1 (en) | 2019-05-22 | 2020-11-26 | Swirlds, Inc. | Methods and apparatus for implementing state proofs and ledger identifiers in a distributed database |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3689292B2 (en) * | 1999-11-22 | 2005-08-31 | 日本電信電話株式会社 | Anonymous electronic voting apparatus and anonymous electronic voting processing method |
JP2003078518A (en) * | 2001-09-03 | 2003-03-14 | Fuji Xerox Co Ltd | Encrypting/decoding system, encrypting device, decoding device and method for the same |
JP4608246B2 (en) * | 2003-11-13 | 2011-01-12 | 日本電信電話株式会社 | Anonymous communication method |
JP4233437B2 (en) * | 2003-11-27 | 2009-03-04 | 富士通株式会社 | Anonymous data transmission method, anonymous data relay method, anonymous data transmission device, anonymous data relay device, anonymous data transmission program, and anonymous data relay program |
JP4526079B2 (en) * | 2005-04-13 | 2010-08-18 | Kddi株式会社 | Multi-hop communication system, mobile terminal thereof, route control server, and route establishment method |
JP4733418B2 (en) * | 2005-04-25 | 2011-07-27 | 日本放送協会 | Metadata appending device and metadata appending program |
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2008
- 2008-01-04 JP JP2008000211A patent/JP5211342B2/en not_active Expired - Fee Related
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