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世界のセキュリティ事情が変わる究極の暗号 | Cooking and IT 慶
お知らせ

世界のセキュリティ事情が変わる究極の暗号

究極の暗号

クレジットカードとパスワード、
ネット通販するときのパスワード、
キャッシュカードのパスワードと
何種類もパスワードを使い分けて
いるがなぜでしょうか?
もちろん悪用を避けるために違いない。
つい最近だとLINEの乗っ取りが有名になった。

今の暗号技術は数学の理論から来ている。パスワードを複雑な数式を使って解読に
膨大な時間かかるようになっている。けれど、コンピューターの性能は上がり
続ければ解読される可能性が高くなる。

 

究極の暗号は量子暗号と呼ばれる。
1984年にアメリカとかの研究者が発明した。
量子力学に基づいた理論。
量子暗号で使う光の粒はのぞき見しようと
すると、物理学的な性質が壊れる。
この性質を暗号技術に利用すると、第三者が
盗聴することで鍵が壊れてしまう。
そうなると送信者と受信者だけがわかる状態になる。
仕組みから言うと盗聴が不可能なため究極の暗号と
呼ばれている。

 

本格的な実用化には至っていない。
アメリカ中国などで大規模な量子暗号通信網の構築計画がある。
一般的になるのは今のところ未定だ。

 

 

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ABOUT ME
ビジネス慶
ビジネス慶
会社員時代の経歴は1つの会社で4回も職種を変更させられました。おかげさまで1000人の経営者と商談し、700 台のPCを販売し、500のお客様のネットワークを修復・改善した実績を持ちます。料理は30年超の我流一筋でお刺身作ることが最近の楽しみ。フライパン使っての料理が得意。自由な人生を手に入れるために一秒も惜しみながら過ごしています。