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無線通信におけるガウス性相関情報に基づく秘密鍵共有の秘密鍵容量 : (その1)衛星通信路モデル
https://doi.org/10.14988/pa.2017.0000013320
https://doi.org/10.14988/pa.2017.00000133208f7739a7-6a71-4ab6-8667-6f122702727f
名前 / ファイル | ライセンス | アクション |
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023054030002.pdf (959.1 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||||
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公開日 | 2013-11-26 | |||||||||||
タイトル | ||||||||||||
言語 | ja | |||||||||||
タイトル | 無線通信におけるガウス性相関情報に基づく秘密鍵共有の秘密鍵容量 : (その1)衛星通信路モデル | |||||||||||
タイトル | ||||||||||||
言語 | ja-Kana | |||||||||||
タイトル | ムセン ツウシン ニオケル ガウスセイ ソウカン ジョウホウ ニ モトズク ヒミツカギ キョウユウ ノ ヒミツカギ ヨウリョウ : (ソノ1)エイセイ ツウシンロ モデル | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Secret key capacity of wireless key agreement based on correlated Gaussian information source : part 1: satellite channel model | |||||||||||
言語 | ||||||||||||
言語 | jpn | |||||||||||
キーワード | ||||||||||||
主題 | 鍵共有, 秘密容量, 相関情報, 衛星通信路 Key agreement, Secret key capacity, Correlated information, Satellite channel |
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資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | departmental bulletin paper | |||||||||||
ID登録 | ||||||||||||
ID登録 | 10.14988/pa.2017.0000013320 | |||||||||||
ID登録タイプ | JaLC | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
笹岡, 秀一
× 笹岡, 秀一
WEKO
15457
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著者所属 | ||||||||||||
ja | ||||||||||||
同志社大学理工学部電子工学科教授 | ||||||||||||
著者所属(英) | ||||||||||||
en | ||||||||||||
Doshisha University | ||||||||||||
所属機関識別子種別 | ||||||||||||
値 | kakenhi | |||||||||||
所属機関識別子 | ||||||||||||
値 | 34310 | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | 最近、秘密鍵共有や秘密情報伝送などの電波を用いた物理層における情報セキュリティ技術が注目されている。共通情報を用いた秘密鍵共有については、秘密鍵容量の一般式が求められているが、無線通信路で得られるガウス性相関情報を用いた秘密鍵共有の秘密鍵容量に厳密な評価が行われていない。本論文では衛星通信路モデルに対して秘密鍵容量の理論解析を行った。理論解析の結果、秘密容量の上限が条件付き相互情報量で表されることを明らかにした。また、秘密鍵容量の上限と下限の式が、信号対雑音電力比、盗聴者対正規者雑音電力比の関数で表されることを明らかにした。さらに、盗聴者対正規者雑音電力比が大きい場合に、秘密鍵容量が条件付き相互情報にした。 | |||||||||||
言語 | ja | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Information security schemes based on radio propagation property such as secret key agreement and secret data transmission have attracted attention in the current wireless community. For the secret key agreement from common information, a general formula of the secret key capacity is given, but a specific formula of secret key capacity has not present for secret key agreement from Gaussian correlated information, which is typical case in wireless channels. This paper deals with the theoretical analysis on secret key capacity for the satellite communication channel model. The analysis result shows that the upper band of secret key capacity is given with conditional mutual information and that the formula of upper and lower band is expressed as functions of the signal-to-noise power ratio and the noise power ratio of eavesdropper to legitimate user. The analysis result also shows that secret key capacity can approximately be given by conditional mutual information in the case that noise power ratio of eavesdropper to legitimate user is large. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
ja : 同志社大学理工学研究報告 en : The Science and Engineering Review of Doshisha University 巻 54, 号 3, p. 185-192, 発行日 2013-10-31 |
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出版者 | ||||||||||||
言語 | ja | |||||||||||
出版者 | 同志社大学理工学研究所 | |||||||||||
出版者(英) | ||||||||||||
言語 | en | |||||||||||
出版者 | Science and Engineering Research Institute of Doshisha University | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 00368172 | |||||||||||
書誌レコードID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AN00165868 | |||||||||||
権利者情報 | ||||||||||||
権利者名 | 同志社大学理工学研究所 | |||||||||||
言語 | ja | |||||||||||
権利者名 | Science and Engineering Research Institute of Doshisha University | |||||||||||
言語 | en | |||||||||||
関連サイト | ||||||||||||
関連タイプ | isFormatOf | |||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | https://doors.doshisha.ac.jp/opac/opac_link/bibid/SB00960326/?lang=0 | |||||||||||
言語 | ja | |||||||||||
関連名称 | 掲載刊行物所蔵情報へのリンク / Link to Contents | |||||||||||
フォーマット | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | application/pdf | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
日本十進分類法 | ||||||||||||
主題 | 547.66 |